“As Cloudflare active repos like workers-sdk expand alongside new releases like Void, FlowPilot can speed up CI builds via remote caching and spin up per-PR preview environments for your engineering team.”
Built on: Connects Cloudflare's active workers-sdk development and Void launch to FlowPilot's remote build caching and per-PR preview environment capabilities.
1Cloudflare manages a polyglot microservice architecture heavily reliant on TypeScript, Go, and Rust across monorepos using Turborepo and Bazel, where FlowPilot can accelerate CI pipelines through remote build caching. F1F2F3
Engineering context
Gemini 3.6-flash · from cited evidence only
Cloudflare builds a highly polyglot stack led by TypeScript at 31% of public code, Go at 20.6%, Rust at 14.4%, JavaScript at 9.3%, and Python at 5.9%. Public configuration and job postings confirm architectural patterns centered on microservices, distributed systems, and serverless architectures. Their infrastructure strategy utilizes their own Cloudflare platform alongside multi-cloud job posting references to AWS, Google Cloud, and Microsoft Azure. Engineering teams leverage Docker and Kubernetes for containerized workloads, managed via Terraform and Pulumi. Tooling across public repositories reveals monorepo setups using Turborepo and Bazel build configurations, with build and deployment automation powered by GitHub Actions and GitLab CI. Observability relies on gRPC, OpenTelemetry, Prometheus, and Sentry across active repositories like cloudflare/workers-sdk and cloudflare/cloudflared. Note that public repositories and job descriptions present only a partial view of Cloudflare's complete engineering environment.
Cloudflare demonstrates high engineering momentum, maintaining a 98/100 activity score with 85 active repositories pushed in thirty days and 244 open engineering roles. Recent initiatives include switching their caching infrastructure to Pingora in Rust, open-sourcing Void, and migrating their blog to an in-house TypeScript CMS called EmDash. Observation: Job listings prioritize platform engineering, distributed systems, Go, Rust, and TypeScript skills alongside automated CI tools like GitHub Actions. Hypothesis: The combination of polyglot monorepos, frequent open-source releases, and Bazel or Turborepo build systems suggests growing build complexity across microservices. This complexity indicates FlowPilot could provide value by accelerating CI pipelines with remote build caching and delivering automated per-PR preview environments for their distributed engineering teams.
Observations vs. hypotheses (5)
ObservationCloudflare operates a polyglot infrastructure primarily written in TypeScript, Go, Rust, JavaScript, and Python.
2With active development across repos like cloudflare/workers-sdk and open-source launches like Void, FlowPilot can streamline pull request workflows by auto-provisioning per-PR preview environments. M1M2W1
3As engineering expands with 244 open technical roles and platform engineering focus, FlowPilot's service catalog can maintain ownership and dependency mapping across distributed services. H1F92F94
ObservationCloudflare is actively hiring across 244 open engineering roles with an emphasis on platform engineering and distributed systems. H1F92F94
Hypothesis (AI)Cloudflare's heavy use of monorepos and build systems like Turborepo and Bazel suggests complex build dependencies that could benefit from remote build caching. F49F50F93
ObservationThe deployment of open-source projects like Void and EmDash demonstrates an internal preference for TypeScript-based developer tooling. F1W1W3
Hypothesis (AI)Rapid release cycles across public repos suggest that automated per-PR preview environments could reduce pull request verification bottlenecks. M1R1R4
Go · Python · Ruby · C++ · Shell · Cloudflare · Docker · Kubernetes
Technologies named in engineering postings
Confidence: high = 2+ independent sources · medium = public code/config or 3+ job postings · low = a single weak signal. Click a technology for its evidence.
Frameworks and libraries
gRPChigh4 evidenceEvidence
Confirmed by 2 independent sources (code, jobs)
Found in public code`go.mod` in cloudflare/cloudflared declares `google.golang.org/grpc`source · 15 Oct 2026
Mentioned in job posting"Senior Software Engineer - Load Balancing" posting: "…ritten mainly in Go. Technologies we use include Docker, Go, PostgreSQL, Redis, gRPC, Kafka, Clickhouse and the usual Unix/Linux tools and workflows. We strive to b…"source · 22 Sept 2026
Mentioned in job posting"Senior Software Engineer, Security Rules" posting: "…in Rust. Technologies we use include Docker, Go, PostgreSQL, Redis, Memcached, gRPC, Kafka, Clickhouse and the usual Unix/Linux tools and workflows. We strive to b…"source · 7 Sept 2026
Mentioned in job posting"Senior Distributed Systems Engineer" posting: "…design inputs, not afterthoughts. Practical experience with API design (REST or gRPC), relational databases, and asynchronous messaging or event streaming systems,…"source · 20 Jul 2026
First observed 11 Oct 2026
Reacthigh4 evidenceEvidence
Confirmed by 2 independent sources (code, jobs)
Found in public code`package.json` in cloudflare/cloudflare-docs declares `react`source · 18 Oct 2026
Mentioned in job posting"Principal Software Engineer, Workers Deploy & Config" posting: "…Cloudflare Workers or Pages. Experience working in frontend frameworks such as React. Experience managing interns or mentoring junior engineers. Product mindset and…"source · 13 Jul 2026
Mentioned in job posting"GRC Engineer" posting: "…xperience building modern web applications, including JavaScript/TypeScript and React, and collaborating effectively across frontend and backend boundaries. The Mott…"source · 8 Jul 2026
Mentioned in job posting
Tokiomedium7 evidenceEvidence
Found in public code or configuration
Found in public code`deps/rust/Cargo.toml` in cloudflare/workerd declares `tokio`source · 18 Oct 2026
Found in public code`Cargo.toml` in cloudflare/pingora declares `tokio`source · 17 Oct 2026
Found in public code`pingora-boringssl/Cargo.toml` in cloudflare/pingora declares `tokio`source · 17 Oct 2026
Found in public code`pingora-cache/Cargo.toml` in cloudflare/pingora declares `tokio`source
Node.jsmedium2 evidenceEvidence
Found in public code or configuration
Found in public codecloudflare/workers-sdk contains `packages/quick-edit/.nvmrc`source · 18 Oct 2026
Found in public codecloudflare/cloudflare-docs contains `.nvmrc`source · 18 Oct 2026
First observed 11 Oct 2026
Ginmedium1 evidenceEvidence
Found in public code or configuration
Found in public code`go.mod` in cloudflare/cloudflared declares `github.com/gin-gonic/gin`source · 15 Oct 2026
First observed 11 Oct 2026
Tailwind CSSmedium1 evidenceEvidence
Found in public code or configuration
Found in public code`package.json` in cloudflare/cloudflare-docs declares `tailwindcss`source · 18 Oct 2026
First observed 11 Oct 2026
GraphQLmedium3 evidenceEvidence
Named in 36 engineering job postings
Mentioned in job posting"Digital Presales Customer Engineer" posting: "…Experience designing, building, deploying or scaling applications using RESTful/GraphQL APIs, SDKs, webhooks, and developer tooling in cloud-native environments. Famil…"source · 1 Oct 2026
Mentioned in job posting"Customer Engineer, Turkish Speaking" posting: "…Experience designing, building, deploying or scaling applications using RESTful/GraphQL APIs, SDKs, webhooks, and developer tooling in cloud-native environments. Famil…"source · 7 Sept 2026
Mentioned in job posting"Customer Engineer, Korea" posting: "…Experience designing, building, deploying or scaling applications using RESTful/GraphQL APIs, SDKs, webhooks, and developer tooling in cloud-native environments. Famil…"source · 25 Aug 2026
First observed 11 Oct 2026
LangChainlow2 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Senior Machine Learning Engineer" posting: "…lications and multi-agent systems using advanced LLM frameworks like LangGraph, LangChain, or Autogen. Deep understanding of agent harness primitives, state management,…"source · 2 Jul 2026
Mentioned in job posting"Senior Data Scientist" posting: "…eds and drive revenue. Proficiency in large language models and the frameworks (Langchain, Langgraph, etc.) necessary for implementing GenAI applications, such as AI Age…"source · 2 Mar 2026
First observed 11 Oct 2026
PyTorchlow2 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Senior Machine Learning Engineer" posting: "…n environments. Strong proficiency with Python and modern ML frameworks such as PyTorch, TensorFlow, JAX, or equivalent. Hands-on experience with inference optimizatio…"source · 9 Jul 2026
Mentioned in job posting"Senior Machine Learning Engineer" posting: "…ion layers. Deep experience in scientific computing using Python (Scikit-Learn, PyTorch, or TensorFlow) and deploying traditional systems for end-to-end training, batc…"source · 2 Jul 2026
First observed 11 Oct 2026
TensorFlowlow2 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Senior Machine Learning Engineer" posting: "…ments. Strong proficiency with Python and modern ML frameworks such as PyTorch, TensorFlow, JAX, or equivalent. Hands-on experience with inference optimization techniques…"source · 9 Jul 2026
Mentioned in job posting"Senior Machine Learning Engineer" posting: "…Deep experience in scientific computing using Python (Scikit-Learn, PyTorch, or TensorFlow) and deploying traditional systems for end-to-end training, batch/real-time inf…"source · 2 Jul 2026
First observed 11 Oct 2026
FastAPIlow1 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Senior Machine Learning Engineer" posting: "…. Experience with full-stack web technologies and serverless/edge environments (FastAPI, TypeScript/JavaScript, Cloudflare Workers), with the agility to contribute acr…"source · 2 Jul 2026
First observed 11 Oct 2026
Flutterlow1 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Software Engineer, Mobile SDK" posting: "…native SDKs are consumed by cross-platform frameworks such as React Native and Flutter is a plus Familiarity with lower-level languages like C++ or Rust for high-perf…"source · 2 Oct 2026
First observed 11 Oct 2026
React Nativelow1 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Software Engineer, Mobile SDK" posting: "…iliarity with how native SDKs are consumed by cross-platform frameworks such as React Native and Flutter is a plus Familiarity with lower-level languages like C++ or Rust f…"source · 2 Oct 2026
First observed 11 Oct 2026
Cloud platforms
Cloudflarehigh38 evidenceEvidence
Confirmed by 4 independent sources (code, jobs, articles, web)
Found in public codecloudflare/workers-sdk contains `packages/chrome-devtools-patches/wrangler.jsonc`, `packages/create-cloudflare/templates/analog/templates/wrangler.jsonc`, `packages/create-cloudflare/templates/angular/pages/templates/wrangler.jsonc`, `packages/create-cloudflare/templates/angular/workers/templates/wrangler.jsonc`, `packages/create-cloudflare/templates/astro/pages/templates/js/wrangler.jsonc`source · 18 Oct 2026
Found in public code`tools/package.json` in cloudflare/workers-sdk declares `@cloudflare/workers-tsconfig`, `wrangler`source · 18 Oct 2026
Found in public code`packages/autoconfig/package.json` in cloudflare/workers-sdk declares `@cloudflare/cli-shared-helpers`, `@cloudflare/config`, `@cloudflare/workers-utils`, `@cloudflare/shared-ast-primitives`, `@cloudflare/workers-tsconfig`
Containers & orchestration
Dockerhigh10 evidenceEvidence
Confirmed by 2 independent sources (code, jobs)
Found in public codecloudflare/workers-sdk contains `packages/vite-plugin-cloudflare/playground/containers/Dockerfile`source · 18 Oct 2026
Found in public codecloudflare/workerd contains `.devcontainer/Dockerfile`, `Dockerfile.release`source · 18 Oct 2026
Found in public codeCI workflow `.github/workflows/_bazel.yml` in cloudflare/workerd: "…aph_check.sh --config=ci ${{ inputs.extra_bazel_args }} - name: Configure Docker daemon for IPv6 if: inputs.build_container_images run: |…"source · 18 Oct 2026
Infrastructure as code
Ansiblemedium3 evidenceEvidence
Named in 11 engineering job postings
Mentioned in job posting"IAM Security Engineer" posting: "…with infrastructure as code and configuration management tools like Terraform, Ansible, etc. What Makes Cloudflare Special? We’re not just a highly ambitious, large-s…"source · 11 Sept 2026
Mentioned in job posting"Network Deployment Engineer" posting: "…ed. Configuration Management: Hands-on experience with tools such as SaltStack, Ansible, Puppet, or Chef. Operational Drive: Proven capability to manage global vendors…"source · 7 Aug 2026
Mentioned in job posting"Data Center Engineer" posting: "…or higher) Configuration management systems such as Saltstack, Chef, Puppet or Ansible Scripting or software development experience in Bash, Python or Go-lang Familia…"source
CI/CD & build
GitLab CIhigh6 evidenceEvidence
Confirmed by 2 independent sources (code, jobs)
Found in public codecloudflare/cloudflare-docs contains `.gitlab-ci.yml`source · 18 Oct 2026
Found in public codecloudflare/workerd contains `.gitlab-ci.yml`source · 18 Oct 2026
Found in public codecloudflare/quiche contains `.gitlab-ci.yml`source · 16 Oct 2026
Found in public codecloudflare/cloudflared contains `.gitlab-ci.yml`source
Observability
Prometheushigh4 evidenceEvidence
Confirmed by 2 independent sources (code, jobs)
Found in public code`go.mod` in cloudflare/cloudflared declares `github.com/prometheus/client_golang`source · 15 Oct 2026
Mentioned in job posting"Engineering Manager, Edge SRE" posting: "…e cycles Experience using observability tools such as Jaeger, OpenTracing, ELK, Prometheus, Thanos, Grafana, Clickhouse Experience running and maturing distributed system…"source · 1 Oct 2026
Mentioned in job posting"Hardware Systems Engineer" posting: "…f thousands of servers Experience of observability and monitoring tools such as Prometheus and Grafana, and the ability to observe trends over time Experience with softwa…"source · 25 Sept 2026
Data & messaging
BigQuerymedium3 evidenceEvidence
Named in 7 engineering job postings
Mentioned in job posting"Developer GTM Strategy Manager, Technical Programs" posting: "…itize work and inform decisions. Prior experience with Salesforce CRM, Tableau, BigQuery, or BoostUp is a plus. Background in SaaS or Product-Led Growth (PLG) is a stro…"source · 21 Sept 2026
Mentioned in job posting"Principal Engineer - GTM Data Platform" posting: "…g GTM organizations. Columnar/OLAP or lakehouse experience (ClickHouse, DuckDB, BigQuery, Snowflake, Iceberg, Starrocks).Familiarity with the Salesforce data model and…"source · 22 Jul 2026
Mentioned in job posting"Senior Data Scientist" posting: "…computing using Python. Experience with Spark, SQL, Tableau, Google Analytics, BigQuery (or any other Big data/Cloud equivalent) etc. Experience working with and proce…"source
SaaS & tooling
Atlassianhigh4 evidenceEvidence
Confirmed by 2 independent sources (jobs, dns)
Mentioned in job posting"Data Center Strategy - Edge" posting: "…t planning, financial analysis, or other analytical role a plus Experience with Jira a plus Multilingual and/or experience living/working/conducting business in ano…"source · 15 Oct 2026
Mentioned in job posting"DCSC Automation Specialist" posting: "…Exception-Only Output: Route confirmed discrepancies directly to pre-populated Jira tickets for human review and action, eliminating the need for coordinators to p…"source · 28 Aug 2026
Mentioned in job posting"Data Center Engineer" posting: "…sponsibilities (prioritization, planning, scheduling, status reporting) such as JIRA Participate in a shared on-call rotation to maintain 24×7 operational availabil…"source
Architecture signals
Platform engineeringhigh4 evidenceEvidence
Confirmed by 2 independent sources (jobs, articles)
Mentioned in job posting"Customer Solutions Strategy Lead" posting: "…rchitects, Infrastructure leads, CISO Developer Scope: Adoption of Cloudflare's developer platform for new application development. Workers, Workers KV, Pages, Queues, Durable Ob…"source · 11 Sept 2026
Mentioned in job posting"Customer Engineer, Turkish Speaking" posting: "…write custom integration scripts, API connectors, and edge computing functions. Developer Platform Fluency: Experience designing, building, deploying or scaling applications usin…"source · 7 Sept 2026
Mentioned in job posting"Customer Engineer, Korea" posting: "…write custom integration scripts, API connectors, and edge computing functions. Developer Platform Fluency: Experience designing, building, deploying or scaling applications usin…"source
Cloudflare released Clef and Clef-flash, open-source decision models running on Workers AI alongside a reinforcement learning fine-tuning platform. · 2026-10
Cloudflare migrated its blog from WordPress to EmDash, an in-house TypeScript CMS running on Cloudflare Workers, Workers KV, Hyperdrive, and PlanetScale. · 2026-09
Not found in this refresh's evidence. This does not mean the company stopped using it — a posting may have closed or a repository may have left the sample.
Not found in this refresh's evidence. This does not mean the company stopped using it — a posting may have closed or a repository may have left the sample.
Not found in this refresh's evidence. This does not mean the company stopped using it — a posting may have closed or a repository may have left the sample.
Not found in this refresh's evidence. This does not mean the company stopped using it — a posting may have closed or a repository may have left the sample.
Not found in this refresh's evidence. This does not mean the company stopped using it — a posting may have closed or a repository may have left the sample.
Not found in this refresh's evidence. This does not mean the company stopped using it — a posting may have closed or a repository may have left the sample.
Not found in this refresh's evidence. This does not mean the company stopped using it — a posting may have closed or a repository may have left the sample.
Not found in this refresh's evidence. This does not mean the company stopped using it — a posting may have closed or a repository may have left the sample.
18 Oct 2026
Trend across snapshots
Snapshot
Top languages (180 d)
Eng roles
Commits 90 d
v3 · 18 Oct 2026
TypeScript 31%, Go 20.6%, Rust 14.4%
244
863
v2 · 11 Oct 2026
TypeScript 31.5%, Go 20.6%, Rust 14.1%
241
506
v1 · 11 Oct 2026
TypeScript 31.5%, Go 20.6%, Rust 14.1%
241
506
Source status · 18 Oct 2026, 07:45 UTC
GitHub · ok · 64.7scloudflare: 300 public repositories (GraphQL), 10 scanned in depth; 48 API calls, 1 cached. source
Job postings · ok · 1.2sGreenhouse board "cloudflare": 435 open roles, 244 engineering; 75 technologies mentioned. source
DNS (Google Public DNS) · ok · 0.1s0 hosting/CDN signals, email: unknown, 14 SaaS verification records, 6 SPF includes.
Recency (25): newest dated evidence ≤30 days 25 · ≤90 days 18 · ≤1 year 10 · older 4 · none 0
Level: High ≥ 75 · Medium 45–74 · Low < 45. An unconfirmed GitHub match caps the level at Medium; no findings caps it at Low.
Limitations
Public repositories, job postings, DNS records and articles show only part of a company's technology stack; private repositories and internal systems are not visible.
300 most recently updated of 580 public repositories were analysed for languages and activity.
Evidence pack given to Gemini (129 facts)
F1TypeScript [Programming languages] — high confidence (Confirmed by 3 independent sources (code, jobs, web)), 31% of public code. e.g. 31% of code across 286 public repositories (31% in repos pushed in the last 180 days); largest in cloudflare/vinext (18 Oct 2026)source
F2Go [Programming languages] — high confidence (Confirmed by 2 independent sources (code, jobs)), 20.6% of public code. e.g. 20.6% of code across 286 public repositories (20.6% in repos pushed in the last 180 days); largest in cloudflare/cloudflare-go (12 Oct 2026)source
F3Rust [Programming languages] — high confidence (Confirmed by 3 independent sources (code, jobs, web)), 14.4% of public code. e.g. 14.4% of code across 286 public repositories (14.4% in repos pushed in the last 180 days); largest in cloudflare/quiche (16 Oct 2026)source
F4JavaScript [Programming languages] — high confidence (Confirmed by 2 independent sources (code, jobs)), 9.3% of public code. e.g. 9.3% of code across 286 public repositories (9.3% in repos pushed in the last 180 days); largest in cloudflare/workerd (18 Oct 2026)source
F5Python [Programming languages] — high confidence (Confirmed by 2 independent sources (code, jobs)), 5.9% of public code. e.g. 5.9% of code across 286 public repositories (5.9% in repos pushed in the last 180 days); largest in cloudflare/cloudflare-python
"Senior Data Scientist" posting: "…roducts. Our stack spans multiple languages and technologies, including Python, React, and TypeScript, and continues to evolve. Many of our applications also incorpo…"
Found in public code`packages/build-output-utils/package.json` in cloudflare/workers-sdk declares `@cloudflare/config`, `@cloudflare/workers-tsconfig`, `@cloudflare/workers-types`, `@cloudflare/workers-utils`source · 18 Oct 2026
Found in public codeCI workflow `.github/workflows/bonk-pr-review.yml` in cloudflare/workers-sdk: "…write pull-requests: write steps: - name: Check if PR author is Cloudflare org member run: | STATUS=$(gh api \ -H "Accept: a…"source · 18 Oct 2026
Found in public codeCI workflow `.github/workflows/bonk.yml` in cloudflare/workers-sdk: "…pull-requests: write steps: - name: Check if comment author is Cloudflare org member run: | STATUS=$(gh api \ -H "Accept: a…"source · 18 Oct 2026
First observed 11 Oct 2026
AWSmedium3 evidenceEvidence
Named in 31 engineering job postings
Mentioned in job posting"Customer Solutions Strategy Lead" posting: "…oud computing solutions implementations including Microsoft 365, Azure, Google, AWS Compensation Compensation may be adjusted depending on work location. This role…"source · 11 Sept 2026
Mentioned in job posting"AI Security Research & Red Team Engineer" posting: "…ckground in manual penetration testing, exploit development, or cloud security (AWS/GCP/Bare Metal). Operational Mindset: Experience using the MITRE ATT&CK framewo…"source · 10 Aug 2026
Mentioned in job posting"Customer Engineering Specialist - Network Services" posting: "…hen design an architecture that fits, including hybrid environments with Azure, AWS and GCP. Run technical discovery, demos and workshops as part of the pre-sales…"source · 2 Mar 2026
First observed 11 Oct 2026
Google Cloudmedium3 evidenceEvidence
Named in 37 engineering job postings
Mentioned in job posting"Developer GTM Strategy Manager, Technical Programs" posting: "…itize work and inform decisions. Prior experience with Salesforce CRM, Tableau, BigQuery, or BoostUp is a plus. Background in SaaS or Product-Led Growth (PLG) is a stro…"source · 21 Sept 2026
Mentioned in job posting"AI Security Research & Red Team Engineer" posting: "…ound in manual penetration testing, exploit development, or cloud security (AWS/GCP/Bare Metal). Operational Mindset: Experience using the MITRE ATT&CK framework t…"source · 10 Aug 2026
Mentioned in job posting"Customer Engineering Specialist - Network Services" posting: "…gn an architecture that fits, including hybrid environments with Azure, AWS and GCP. Run technical discovery, demos and workshops as part of the pre-sales cycle. S…"source · 2 Mar 2026
First observed 11 Oct 2026
Microsoft Azuremedium3 evidenceEvidence
Named in 28 engineering job postings
Mentioned in job posting"Customer Solutions Engineer" posting: "…t with Terraform, API-based configurations, or identity providers such as Okta, Azure AD, and SAML/OIDC integrations. Observability: ability to read and interpret Se…"source · 28 Sept 2026
Mentioned in job posting"Customer Solutions Strategy Lead" posting: "…erience with cloud computing solutions implementations including Microsoft 365, Azure, Google, AWS Compensation Compensation may be adjusted depending on work locati…"source · 11 Sept 2026
Mentioned in job posting"Customer Engineering Specialist - Network Services" posting: "…ents. Then design an architecture that fits, including hybrid environments with Azure, AWS and GCP. Run technical discovery, demos and workshops as part of the pre-s…"source · 2 Mar 2026
First observed 11 Oct 2026
Oracle Cloudlow2 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Senior Oracle Security and AI Engineer" posting: "…e. Platform Stability & Governance: Own the non-functional requirements for the Oracle Cloud environment, including security architecture, role design governance, and perfo…"source · 22 Sept 2026
Mentioned in job posting"Senior Oracle Fusion Engineer" posting: "…environment. Nice-to-Have Skills Experience in an organization transitioning to Oracle Cloud Ecosystem. Hands-on experience with other Oracle PaaS tools. Experience setting…"source · 21 Aug 2026
Found in public codecloudflare/quiche contains `Dockerfile`, `fuzz/Dockerfile`source · 16 Oct 2026
Found in public codeCI workflow `.github/workflows/deploy.yml` in cloudflare/quiche: "…- name: Checkout sources uses: actions/checkout@v4 - name: Build Docker images run: make docker-build - name: Login to DockerHub…"source · 16 Oct 2026
First observed 11 Oct 2026
Kubernetesmedium3 evidenceEvidence
Named in 44 engineering job postings
Mentioned in job posting"IAM Security Engineer" posting: "…perience with secure configuration of containerized application platforms (e.g. Kubernetes) Advanced scripting experience (Python, TypeScript, Bash, etc.) Experience impl…"source · 11 Sept 2026
Mentioned in job posting"Principal Engineer - GTM Data Platform" posting: "…script and SQL. Build and operate production services on Cloudflare Workers and Kubernetes. Own the data foundation including Query Engine, Workflows, MCP/APIs and other…"source · 22 Jul 2026
Mentioned in job posting"Principal Software Engineer: Distributed Systems (Config, Test, & Deployment)" posting: "…ystems Familiarity with Google’s Prodspec and Annealing systems Experience with Kubernetes Experience with RocksDB or similar data stores Experience with health checking…"source · 1 Jul 2026
First observed 11 Oct 2026
Nomadmedium3 evidenceEvidence
Named in 3 engineering job postings
Mentioned in job posting"Senior Systems Engineer, Browser Isolation" posting: "…st. Distributed services and orchestration: Go, TypeScript, Cloudflare Workers, Nomad, and Consul. Remote rendering and streaming: WebRTC and Skia. Browser client: T…"source · 14 Oct 2026
Mentioned in job posting"Systems Engineer, Browser Isolation" posting: "…st. Distributed services and orchestration: Go, TypeScript, Cloudflare Workers, Nomad, and Consul. Remote rendering and streaming: WebRTC and Skia. Browser client: T…"source · 13 Oct 2026
Mentioned in job posting"Senior Systems Engineer, Workers AI" posting: "…perience with container orchestration platforms, specifically Kubernetes and/or Nomad . Familiarity with the unique architectural challenges involved in large-scale…"source · 1 Apr 2026
First observed 11 Oct 2026
Argo CDlow1 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Senior Machine Learning Engineer" posting: "…or Azure). Hands-on experience with modern MLOps platform tools (e.g., Airflow, Argo Workflows, ArgoCD) and data systems including BigQuery, Postgres, and robust ETL/ELT prac…"source · 2 Jul 2026
First observed 11 Oct 2026
· 5 Aug 2026
First observed 11 Oct 2026
Pulumimedium3 evidenceEvidence
Named in 34 engineering job postings
Mentioned in job posting"Customer Solutions Engineer" posting: "…onment. Automation Mindset: Familiarity with Infrastructure-as-Code (Terraform, Pulumi) or CI/CD pipelines for configuration management. AI-Augmented Workflow: Comfor…"source · 28 Sept 2026
Mentioned in job posting"Customer Engineer, Turkish Speaking" posting: "…cloud-native environments. Familiarity with infrastructure-as-code (Terraform, Pulumi), CI/CD pipelines, and observability for developer-led deployments. Strongly Pr…"source · 7 Sept 2026
Mentioned in job posting"Customer Engineer, Korea" posting: "…cloud-native environments. Familiarity with infrastructure-as-code (Terraform, Pulumi), CI/CD pipelines, and observability for developer-led deployments. Strongly Pr…"source · 25 Aug 2026
First observed 11 Oct 2026
Puppetmedium3 evidenceEvidence
Named in 3 engineering job postings
Mentioned in job posting"Network Deployment Engineer" posting: "…guration Management: Hands-on experience with tools such as SaltStack, Ansible, Puppet, or Chef. Operational Drive: Proven capability to manage global vendors, antici…"source · 7 Aug 2026
Mentioned in job posting"Data Center Engineer" posting: "…CNA, JNCIA or higher) Configuration management systems such as Saltstack, Chef, Puppet or Ansible Scripting or software development experience in Bash, Python or Go-l…"source · 5 Aug 2026
Mentioned in job posting"Network Deployment Engineer - APJC" posting: "…ch as CWDM/DWDM. Configuration management tool experience like Saltstack, Chef, Puppet or Ansible. Knowledge and exposure to Network Protocols, Topologies and Enterpr…"source · 30 Jul 2026
First observed 11 Oct 2026
Terraformmedium3 evidenceEvidence
Named in 53 engineering job postings
Mentioned in job posting"Customer Solutions Engineer" posting: "…ntegration: hands-on experience with the Cloudflare Dashboard, and comfort with Terraform, API-based configurations, or identity providers such as Okta, Azure AD, and SA…"source · 28 Sept 2026
Mentioned in job posting"Customer Engineer, Turkish Speaking" posting: "…tooling in cloud-native environments. Familiarity with infrastructure-as-code (Terraform, Pulumi), CI/CD pipelines, and observability for developer-led deployments. Str…"source · 7 Sept 2026
Mentioned in job posting"Customer Engineer, Korea" posting: "…tooling in cloud-native environments. Familiarity with infrastructure-as-code (Terraform, Pulumi), CI/CD pipelines, and observability for developer-led deployments. Str…"source · 25 Aug 2026
First observed 11 Oct 2026
· 15 Oct 2026
Mentioned in job posting"Systems Engineer, Data Intelligence & Analytics Team" posting: "…relational database systems such as PostgreSQL and MySQL Experience with CI/CD, Gitlab CI Excellent communication & problem solving skills Ability to collaborate with cr…"source · 9 Jul 2026
Mentioned in job posting"Systems Engineer (Data Intelligence & Analytics Team)" posting: "…relational database systems such as PostgreSQL and MySQL Experience with CI/CD, Gitlab CI Excellent communication & problem solving skills Ability to collaborate with cr…"source · 7 Jul 2026
First observed 11 Oct 2026
GitHub Actionsmedium9 evidenceEvidence
Found in public code or configuration
Found in public codecloudflare/workers-sdk contains `.github/workflows/bonk-pr-review.yml`, `.github/workflows/bonk.yml`, `.github/workflows/c3-dependabot-versioning-prs.yml`, `.github/workflows/c3-e2e.yml`, `.github/workflows/changesets.yml`source · 18 Oct 2026
Found in public codecloudflare/cloudflare-os contains `.github/workflows/bonk-pr.yml`, `.github/workflows/bonk.yml`, `.github/workflows/ci.yml`, `.github/workflows/cla.yml`, `.github/workflows/contribution-policy.yml`source · 18 Oct 2026
Found in public codecloudflare/cloudflare-os-starter contains `.github/workflows/bonk-pr.yml`, `.github/workflows/bonk.yml`source · 18 Oct 2026
Found in public codecloudflare/cloudflare-docs contains `.github/workflows/add-ai-models.yml`, `.github/workflows/anchor-link-audit.yml`, `.github/workflows/auto-format-apply.yml`, `.github/workflows/auto-format-build.yml`, `.github/workflows/bonk.yml`source · 18 Oct 2026
Found in public codecloudflare/workerd contains `.github/workflows/_bazel.yml`, `.github/workflows/_wpt.yml`, `.github/workflows/bigbonk.yml`, `.github/workflows/bonk.yml`, `.github/workflows/cla.yml`source · 18 Oct 2026
Found in public codecloudflare/workerd-tools contains `.github/workflows/llvm.yml`, `.github/workflows/semgrep.yml`, `.github/workflows/wpt.yml`source · 18 Oct 2026
First observed 11 Oct 2026
Dependabotmedium4 evidenceEvidence
Found in public code or configuration
Found in public codecloudflare/workers-sdk contains `.github/dependabot.yml`source · 18 Oct 2026
Found in public codecloudflare/cloudflare-os contains `.github/dependabot.yml`source · 18 Oct 2026
Found in public codecloudflare/cloudflare-docs contains `.github/dependabot.yml`source · 18 Oct 2026
Found in public codecloudflare/quiche contains `.github/dependabot.yml`source · 16 Oct 2026
First observed 11 Oct 2026
Turborepomedium2 evidenceEvidence
Found in public code or configuration
Found in public codecloudflare/workers-sdk contains `packages/autoconfig/turbo.json`, `packages/build-output-utils/turbo.json`, `packages/cli/turbo.json`, `packages/codemods/turbo.json`, `packages/config/turbo.json`source · 18 Oct 2026
Found in public code`package.json` in cloudflare/workers-sdk declares `turbo`source · 18 Oct 2026
First observed 11 Oct 2026
Bazelmedium1 evidenceEvidence
Found in public code or configuration
Found in public codecloudflare/workerd contains `.bazelrc`, `BUILD.bazel`, `MODULE.bazel`, `build/config/BUILD.bazel`, `build/google-benchmark/MODULE.bazel`source · 18 Oct 2026
First observed 11 Oct 2026
Renovatemedium1 evidenceEvidence
Found in public code or configuration
Found in public codecloudflare/cloudflared contains `renovate.json`source · 15 Oct 2026
First observed 11 Oct 2026
Mentioned in job posting"Principal Software Engineer, Enterprise Integrations" posting: "…and operational practices Experience with observability tooling (e.g. Grafana, Prometheus, Sentry, Kibana, Splunk or similar) Working familiarity with containerized/clou…"source · 25 Aug 2026
First observed 11 Oct 2026
Sentryhigh3 evidenceEvidence
Confirmed by 2 independent sources (code, jobs)
Found in public code`go.mod` in cloudflare/cloudflared declares `github.com/getsentry/sentry-go`source · 15 Oct 2026
Mentioned in job posting"Technical Support Engineer, Application Security" posting: "…rience using investigative observability tools such as Kibana, Grafana, Zabbix, Sentry, and live log-tailing utilities to analyze logs, trace issues, and pinpoint roo…"source · 25 Sept 2026
Mentioned in job posting"Principal Software Engineer, Enterprise Integrations" posting: "…onal practices Experience with observability tooling (e.g. Grafana, Prometheus, Sentry, Kibana, Splunk or similar) Working familiarity with containerized/cloud enviro…"source · 25 Aug 2026
First observed 11 Oct 2026
OpenTelemetrymedium1 evidenceEvidence
Found in public code or configuration
Found in public code`go.mod` in cloudflare/cloudflared declares `go.opentelemetry.io/otel`, `go.opentelemetry.io/otel/exporters/otlp/otlptrace`, `go.opentelemetry.io/otel/sdk`, `go.opentelemetry.io/otel/trace`, `go.opentelemetry.io/otel/metric`source · 15 Oct 2026
First observed 11 Oct 2026
Elastic Stackmedium3 evidenceEvidence
Named in 6 engineering job postings
Mentioned in job posting"Senior Engineering Manager, Observability" posting: "…observability (OTLP, OLAP databases such as Clickhouse, Grafana, Elasticsearch, Kibana, etc) Experience building with Cloudflare’s Developer Platform and have opinion…"source · 16 Sept 2026
Mentioned in job posting"Principal Software Engineer, Enterprise Integrations" posting: "…ctices Experience with observability tooling (e.g. Grafana, Prometheus, Sentry, Kibana, Splunk or similar) Working familiarity with containerized/cloud environments (…"source · 25 Aug 2026
Mentioned in job posting"Senior Systems Engineer, Identity & Access Management" posting: "…astructure as code (Terraform), and observability tooling (Prometheus, Grafana, Kibana). Equity This role is eligible to participate in Cloudflare's equity plan. Bene…"source · 6 Aug 2026
First observed 11 Oct 2026
Grafanamedium3 evidenceEvidence
Named in 26 engineering job postings
Mentioned in job posting"Engineering Manager, Edge SRE" posting: "…using observability tools such as Jaeger, OpenTracing, ELK, Prometheus, Thanos, Grafana, Clickhouse Experience running and maturing distributed systems Familiarity wor…"source · 1 Oct 2026
Mentioned in job posting"Hardware Systems Engineer" posting: "…servers Experience of observability and monitoring tools such as Prometheus and Grafana, and the ability to observe trends over time Experience with software developme…"source · 25 Sept 2026
Mentioned in job posting"Principal Software Engineer, Enterprise Integrations" posting: "…security and operational practices Experience with observability tooling (e.g. Grafana, Prometheus, Sentry, Kibana, Splunk or similar) Working familiarity with contai…"source · 25 Aug 2026
First observed 11 Oct 2026
Jaegerlow1 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Engineering Manager, Edge SRE" posting: "…deadlines and short release cycles Experience using observability tools such as Jaeger, OpenTracing, ELK, Prometheus, Thanos, Grafana, Clickhouse Experience running a…"source · 1 Oct 2026
First observed 11 Oct 2026
Splunklow1 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Principal Software Engineer, Enterprise Integrations" posting: "…xperience with observability tooling (e.g. Grafana, Prometheus, Sentry, Kibana, Splunk or similar) Working familiarity with containerized/cloud environments (Kubernet…"source · 25 Aug 2026
First observed 11 Oct 2026
· 2 Mar 2026
First observed 11 Oct 2026
ClickHousemedium3 evidenceEvidence
Named in 26 engineering job postings
Mentioned in job posting"Engineering Manager, Edge SRE" posting: "…ervability tools such as Jaeger, OpenTracing, ELK, Prometheus, Thanos, Grafana, Clickhouse Experience running and maturing distributed systems Familiarity working with Pr…"source · 1 Oct 2026
Mentioned in job posting"Principal Engineer - GTM Data Platform" posting: "…h a focus on enabling GTM organizations. Columnar/OLAP or lakehouse experience (ClickHouse, DuckDB, BigQuery, Snowflake, Iceberg, Starrocks).Familiarity with the Salesfor…"source · 22 Jul 2026
Mentioned in job posting"Senior Data Engineer" posting: "…. Our stack spans multiple languages and technologies, including Go, Scala, and ClickHouse, and continues to evolve. Many of our products also incorporate strong AI compo…"source · 14 Jul 2026
First observed 11 Oct 2026
dbtmedium3 evidenceEvidence
Named in 3 engineering job postings
Mentioned in job posting"Data Analyst" posting: "…er 2+ years experience with data ingestion and transformation frameworks (e.g., dbt, Fivetran, or custom/in-house developed platforms) Initiative, curiosity, stron…"source · 10 Aug 2026
Mentioned in job posting"Senior Systems Engineer - Go-To-Market Data Team" posting: "…s. Experience on Cloudflare Workers / edge platforms and analytics-engineering (dbt) workflows. Background in SaaS or product-led growth (PLG) GTM motions. Compens…"source · 6 Aug 2026
Mentioned in job posting"Principal Engineer - GTM Data Platform" posting: "…s. Experience on Cloudflare Workers / edge platforms and analytics-engineering (dbt) workflows. Background in SaaS or product-led growth (PLG) GTM motions. Compens…"source · 22 Jul 2026
First observed 11 Oct 2026
Elasticsearchmedium3 evidenceEvidence
Named in 3 engineering job postings
Mentioned in job posting"Systems Engineer - Data Security" posting: "…or service monitoring we use Prometheus and Grafana. For service logging we use Elasticsearch and Kibana. For product analytics we use Clickhouse and BigQuery. Examples of d…"source · 9 Oct 2026
Mentioned in job posting"Senior Engineering Manager, Observability" posting: "…s Implementing observability (OTLP, OLAP databases such as Clickhouse, Grafana, Elasticsearch, Kibana, etc) Experience building with Cloudflare’s Developer Platform and have…"source · 16 Sept 2026
Mentioned in job posting"Software Engineer, Cloudflare Network Interconnect" posting: "…rience with telemetry/observability platforms (Prometheus, Grafana, ClickHouse, Elasticsearch). Experience using AI-assisted development tools (e.g., code completion, codeba…"source · 29 Jul 2026
First observed 11 Oct 2026
Kafkamedium3 evidenceEvidence
Named in 14 engineering job postings
Mentioned in job posting"Senior Distributed Systems Engineer - Cache" posting: "…, relational databases, or analytical data systems Familiarity with Kubernetes, Kafka, PostgreSQL, ClickHouse, or similar infrastructure Experience contributing to o…"source · 9 Sept 2026
Mentioned in job posting"Senior Software Engineer - Addressing Team" posting: "…ss the company. Some of the technologies we use include Go, PostgreSQL, Docker, Kafka, Lua, Clickhouse, SaltStack, Prometheus and the usual Unix/Linux tools and work…"source · 2 Sept 2026
Mentioned in job posting"Senior Software Engineer - Fintech" posting: "…revenue recognition. - Experience with technologies such as PostgreSQL, Redis, Kafka, Kubernetes, Docker, or Temporal. - Familiarity with reconciliation, idempotenc…"source · 6 Aug 2026
First observed 11 Oct 2026
MySQLmedium3 evidenceEvidence
Named in 14 engineering job postings
Mentioned in job posting"Senior Software Engineer - Addressing Team" posting: "…have a working knowledge of SQL and relational databases such as PostgreSQL or MySQL You have experience building and operating distributed systems You have excelle…"source · 2 Sept 2026
Mentioned in job posting"Network Security Engineer" posting: "…thon, JavaScript or other scripting languages. You have worked with PostgreSQL, MySQL, MS SQL, and other database servers. Bachelor’s degree in Computer Science, Cyb…"source · 24 Jul 2026
Mentioned in job posting"Senior Data Engineer" posting: "…and working with relational, analytical, or vector databases (e.g., PostgreSQL, MySQL, ClickHouse). Experience building scalable, reliable, and observable data pipel…"source · 14 Jul 2026
First observed 11 Oct 2026
PostgreSQLmedium3 evidenceEvidence
Named in 39 engineering job postings
Mentioned in job posting"Principal Software Engineer, Enterprise Integrations" posting: "…nce with business financial systems, such as Oracle or NetSuite Experience with PostgreSQL Experience with Cloudflare Developer Platform (Workers, Workflows, D1, etc.) Ex…"source · 25 Aug 2026
Mentioned in job posting"Network Security Engineer" posting: "…in Bash, Python, JavaScript or other scripting languages. You have worked with PostgreSQL, MySQL, MS SQL, and other database servers. Bachelor’s degree in Computer Scien…"source · 24 Jul 2026
Mentioned in job posting"Senior Data Engineer" posting: "…data models and working with relational, analytical, or vector databases (e.g., PostgreSQL, MySQL, ClickHouse). Experience building scalable, reliable, and observable dat…"source · 14 Jul 2026
First observed 11 Oct 2026
Pub/Submedium3 evidenceEvidence
Named in 3 engineering job postings
Mentioned in job posting"Software Engineer, AI Agents" posting: "…o mystery boxes Integrate with queues and webhooks; publish events on Queues or Pub/Sub Cut cost per case and time to first response. Prove it with data. Take end to e…"source · 13 Oct 2026
Mentioned in job posting"Senior Software Engineer, Internal Fraud Platform" posting: "…uction. Experience designing and building data or event pipelines (e.g., Kafka, Pub/Sub, or similar). Strong understanding of RESTful APIs, service security, and API s…"source · 14 Sept 2026
Mentioned in job posting"Software Engineer, AI Agents" posting: "…o mystery boxes Integrate with queues and webhooks; publish events on Queues or Pub/Sub Cut cost per case and time to first response. Prove it with data. Take end to e…"source · 23 Apr 2026
First observed 11 Oct 2026
Redismedium3 evidenceEvidence
Named in 9 engineering job postings
Mentioned in job posting"Senior Software Engineer - Load Balancing" posting: "…vices written mainly in Go. Technologies we use include Docker, Go, PostgreSQL, Redis, gRPC, Kafka, Clickhouse and the usual Unix/Linux tools and workflows. We striv…"source · 22 Sept 2026
Mentioned in job posting"Senior Software Engineer, Security Rules" posting: "…ces written mainly in Rust. Technologies we use include Docker, Go, PostgreSQL, Redis, Memcached, gRPC, Kafka, Clickhouse and the usual Unix/Linux tools and workflow…"source · 7 Sept 2026
Mentioned in job posting"Senior Software Engineer - Fintech" posting: "…ers, or revenue recognition. - Experience with technologies such as PostgreSQL, Redis, Kafka, Kubernetes, Docker, or Temporal. - Familiarity with reconciliation, ide…"source · 6 Aug 2026
First observed 11 Oct 2026
Snowflakemedium3 evidenceEvidence
Named in 3 engineering job postings
Mentioned in job posting"Senior Systems Engineer - Go-To-Market Data Team" posting: "…nizations. Columnar/OLAP or lakehouse experience (ClickHouse, DuckDB, BigQuery, Snowflake, Iceberg, Starrocks).Familiarity with the Salesforce data model and CRM/API int…"source · 6 Aug 2026
Mentioned in job posting"Principal Engineer - GTM Data Platform" posting: "…nizations. Columnar/OLAP or lakehouse experience (ClickHouse, DuckDB, BigQuery, Snowflake, Iceberg, Starrocks).Familiarity with the Salesforce data model and CRM/API int…"source · 22 Jul 2026
Mentioned in job posting"Senior Systems Engineer, Basin Pipelines" posting: "…ions on top of existing data platforms like Kafka, Flink, Spark, Databricks, or Snowflake, this role is not the right fit. We are seeking the engineers who can write the…"source · 28 Jul 2025
First observed 11 Oct 2026
Airflowlow2 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Data Analyst" posting: "…or Github 2+ years experience working with job orchestration tools like Apache Airflow, both as a pipeline developer and reviewer 2+ years experience with data ingest…"source · 10 Aug 2026
Mentioned in job posting"Senior Machine Learning Engineer" posting: "…CP, AWS, or Azure). Hands-on experience with modern MLOps platform tools (e.g., Airflow, Argo Workflows, ArgoCD) and data systems including BigQuery, Postgres, and rob…"source · 2 Jul 2026
First observed 11 Oct 2026
SQLitelow2 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Senior Engineering Manager - Cloudforce One" posting: "…gerprints). Experience with edge computing (e.g., Workers), SQL-at-the-edge (D1/SQLite), and building systems that scale to handle trillions of signals. Excel at plan…"source · 30 Jun 2026
Mentioned in job posting"Senior Software Engineer, Durable Objects (DO)" posting: "…ng decisions. Bonus Points Experience working on database internals, especially SQLite. Deep understanding of web technologies such as browsers, HTTP, JavaScript, and…"source · 26 Sept 2023
First observed 11 Oct 2026
Apache Flinklow1 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Senior Systems Engineer, Basin Pipelines" posting: "…scaling, or writing applications on top of existing data platforms like Kafka, Flink, Spark, Databricks, or Snowflake, this role is not the right fit. We are seekin…"source · 28 Jul 2025
First observed 11 Oct 2026
Apache Sparklow1 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Senior Data Scientist" posting: "…ferred. Strong experience in scientific computing using Python. Experience with Spark, SQL, Tableau, Google Analytics, BigQuery (or any other Big data/Cloud equivale…"source · 2 Mar 2026
First observed 11 Oct 2026
Cassandralow1 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Systems Engineer - Database Platform" posting: "…ith non-relational data stores such as Distributed & time-series databases (ex. Cassandra, Timescale) and key-value stores (eg., Redis) Compensation Compensation may be…"source · 4 Sept 2026
First observed 11 Oct 2026
Databrickslow1 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Senior Systems Engineer, Basin Pipelines" posting: "…riting applications on top of existing data platforms like Kafka, Flink, Spark, Databricks, or Snowflake, this role is not the right fit. We are seeking the engineers who…"source · 28 Jul 2025
First observed 11 Oct 2026
RabbitMQlow1 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Systems Engineer, SSL/TLS Team" posting: "…ormance, caching, data storage/retrieval Experience with message queues (Kafka, RabbitMQ, etc) What Makes Cloudflare Special? We’re not just a highly ambitious, large-s…"source · 27 Aug 2026
First observed 11 Oct 2026
· 5 Aug 2026
DNS recordTXT verification record for Atlassiansource
First observed 11 Oct 2026
Salesforcehigh4 evidenceEvidence
Confirmed by 2 independent sources (jobs, dns)
Mentioned in job posting"Developer GTM Strategy Manager, Technical Programs" posting: "…iness dashboards to prioritize work and inform decisions. Prior experience with Salesforce CRM, Tableau, BigQuery, or BoostUp is a plus. Background in SaaS or Product-Led…"source · 21 Sept 2026
Mentioned in job posting"Senior Director of Engineering, Billing Platform" posting: "…liation. Familiarity with platforms such as Stripe or other payment processors, Salesforce or other CRM systems, ERP systems, tax engines, revenue recognition systems, da…"source · 24 Aug 2026
Mentioned in job posting"Principal Engineer - GTM Data Platform" posting: "…ickHouse, DuckDB, BigQuery, Snowflake, Iceberg, Starrocks).Familiarity with the Salesforce data model and CRM/API integrations. Familiarity with deploying to bare metal a…"source · 22 Jul 2026
DNS recordSPF include:_spf.salesforce.com (Salesforce)source
First observed 11 Oct 2026
Google Workspacehigh3 evidenceEvidence
Confirmed by 2 independent sources (jobs, dns)
Mentioned in job posting"Senior Product Manager, Email Security" posting: "…gating architectural trade-offs with senior engineers regarding mail flow (M365/Google Workspace), cloud infrastructure, and API performance. Have high ownership. Comfortable b…"source · 11 Sept 2026
Mentioned in job posting"Senior Solutions Engineer, Cloudflare One (SASE/SSE)" posting: "…lutions with one or more of the following: identity providers, Microsoft 365 or Google Workspace, public cloud environments, APIs, and SIEM or log-analytics platforms. Proven o…"source · 9 Sept 2026
DNS recordSPF include:_spf.google.com (Google Workspace)source
First observed 11 Oct 2026
Microsoft 365high3 evidenceEvidence
Confirmed by 2 independent sources (jobs, dns)
Mentioned in job posting"Customer Solutions Strategy Lead" posting: "…d partners. Experience with cloud computing solutions implementations including Microsoft 365, Azure, Google, AWS Compensation Compensation may be adjusted depending on work…"source · 11 Sept 2026
Mentioned in job posting"Senior Solutions Engineer, Cloudflare One (SASE/SSE)" posting: "…prise security solutions with one or more of the following: identity providers, Microsoft 365 or Google Workspace, public cloud environments, APIs, and SIEM or log-analytics…"source · 9 Sept 2026
DNS recordTXT verification record for Microsoft 365source
First observed 11 Oct 2026
Slackmedium3 evidenceEvidence
Named in 3 engineering job postings
Mentioned in job posting"Senior Customer Engineer AI/ Start Up's" posting: "…s being in the room with builders. You'll be equally comfortable jumping into a Slack channel with a founding engineer, whiteboarding an architecture with a lead dev…"source · 13 Oct 2026
Mentioned in job posting"Senior Customer Engineer- (AI & Start-Ups). Los Angeles " posting: "…s being in the room with builders. You'll be equally comfortable jumping into a Slack channel with a founding engineer, whiteboarding an architecture with a lead dev…"source · 21 Jul 2026
Mentioned in job posting"Forward Deployed Engineer (FDE)" posting: "…munication: Manage complex, fast-moving technical discussions primarily through Slack, acting as a guide for the customer even when formal calls are difficult to sch…"source · 5 Feb 2026
First observed 11 Oct 2026
Consullow2 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Senior Systems Engineer, Browser Isolation" posting: "…uted services and orchestration: Go, TypeScript, Cloudflare Workers, Nomad, and Consul. Remote rendering and streaming: WebRTC and Skia. Browser client: TypeScript, W…"source · 14 Oct 2026
Mentioned in job posting"Systems Engineer, Browser Isolation" posting: "…uted services and orchestration: Go, TypeScript, Cloudflare Workers, Nomad, and Consul. Remote rendering and streaming: WebRTC and Skia. Browser client: TypeScript, W…"source · 13 Oct 2026
First observed 18 Oct 2026
HashiCorp Vaultlow2 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Senior Software Engineer - Security Platform" posting: "…platform TEEs (e.g. AMD SEV, Intel SGX, Apple Secure Enclave). Familiarity with HashiCorp Vault or OpenBao, or similar. Familiarity with Go and/or Python + Salt specifically.…"source · 7 Oct 2026
Mentioned in job posting"Staff/Principal Software Engineer - Security Platform" posting: "…platform TEEs (e.g. AMD SEV, Intel SGX, Apple Secure Enclave) Familiarity with HashiCorp Vault or OpenBao, or similar Linux/UNIX system administration proficiency Familiarity…"source · 11 Jul 2025
First observed 11 Oct 2026
Oktalow2 evidenceEvidence
Single weak signal (jobs)
Mentioned in job posting"Customer Solutions Engineer" posting: "…comfort with Terraform, API-based configurations, or identity providers such as Okta, Azure AD, and SAML/OIDC integrations. Observability: ability to read and inter…"source · 28 Sept 2026
Mentioned in job posting"Technical Support Engineer, Zero Trust" posting: "…Hands-on experience with identity and access management (IAM) systems, such as Okta, Ping Identity, or Azure Active Directory. Strong knowledge of authentication p…"source · 28 Sept 2026
First observed 11 Oct 2026
Statuspagelow2 evidenceEvidence
Single weak signal (dns)
DNS recordTXT verification record for Statuspagesource
DNS recordSPF include:stspg-customer.com (Statuspage)source
First observed 11 Oct 2026
Apple Businesslow1 evidenceEvidence
Single weak signal (dns)
DNS recordTXT verification record for Apple Businesssource
First observed 11 Oct 2026
Docker Hublow1 evidenceEvidence
Single weak signal (dns)
DNS recordTXT verification record for Docker Hubsource
First observed 11 Oct 2026
Mailchimplow1 evidenceEvidence
Single weak signal (dns)
DNS recordSPF include:spf.mandrillapp.com (Mailchimp)source
First observed 11 Oct 2026
Meta Businesslow1 evidenceEvidence
Single weak signal (dns)
DNS recordTXT verification record for Meta Businesssource
First observed 11 Oct 2026
Stripelow1 evidenceEvidence
Single weak signal (dns)
DNS recordTXT verification record for Stripesource
First observed 11 Oct 2026
Zendesklow1 evidenceEvidence
Single weak signal (dns)
DNS recordSPF include:mail.zendesk.com (Zendesk)source
Mentioned in published articleBlog post "A fully programmable secure web gateway": "…er of Cloudflare Workers through our full-stack integration with the Cloudflare Developer platform."source · 15 Oct 2026
First observed 11 Oct 2026
Monorepomedium5 evidenceEvidence
Found in public code or configuration
Found in public codecloudflare/workers-sdk contains `pnpm-workspace.yaml`source · 18 Oct 2026
Found in public codecloudflare/cloudflare-os contains `pnpm-workspace.yaml`source · 18 Oct 2026
Found in public codecloudflare/cloudflare-os-starter contains `pnpm-workspace.yaml`source · 18 Oct 2026
Found in public codecloudflare/cloudflare-docs contains `.flue/pnpm-workspace.yaml`, `pnpm-workspace.yaml`source · 18 Oct 2026
Found in public codecloudflare/workerd contains `pnpm-workspace.yaml`source · 18 Oct 2026
First observed 11 Oct 2026
Distributed systemsmedium3 evidenceEvidence
Named in 116 engineering job postings
Mentioned in job posting"Digital Presales Customer Engineer" posting: "…Digital Native Background: Talent coming out of hyperscalers, digital natives, distributed systems environments, or startups is strongly valued for its deeper cloud fluency and a…"source · 1 Oct 2026
Mentioned in job posting"Customer Engineer, Turkish Speaking" posting: "…Digital Native Background: Talent coming out of hyperscalers, digital natives, distributed systems environments, or startups is strongly valued for its deeper cloud fluency and a…"source · 7 Sept 2026
Mentioned in job posting"Customer Engineer, Korea" posting: "…Digital Native Background: Talent coming out of hyperscalers, digital natives, distributed systems environments, or startups is strongly valued for its deeper cloud fluency and a…"source · 25 Aug 2026
First observed 11 Oct 2026
Event-driven architecturemedium3 evidenceEvidence
Named in 6 engineering job postings
Mentioned in job posting"Security Engineer, Applied Research & Labs" posting: "…Python, or a comparable language, with production experience in distributed or event-driven systems Hands-on experience building LLM-based systems, including agent orchest…"source · 13 Oct 2026
Mentioned in job posting"Principal Solutions Architect - SAARC" posting: "…Experience with modern application architecture patterns (microservices, APIs, event-driven systems, CI/CD, serverless and edge compute). A track record of proactively con…"source · 22 Sept 2026
Mentioned in job posting"Senior Software Engineer, Cloudflare Queues" posting: "…ndwidth egress fees. Deeply integrated with Cloudflare Workers, Queues supports event-driven and asynchronous applications across the Developer Platform. Generally availabl…"source · 27 Jul 2026
First observed 11 Oct 2026
Microservicesmedium3 evidenceEvidence
Named in 11 engineering job postings
Mentioned in job posting"Digital Customer Engineer - Swedish or Russian Speaker" posting: "…o modern application architectures, including serverless computing, containers, microservices, and APIs. Knowledge of common application-security risks and mitigation strate…"source · 7 Oct 2026
Mentioned in job posting"Principal Solutions Architect - SAARC" posting: "…performance at scale. Experience with modern application architecture patterns (microservices, APIs, event-driven systems, CI/CD, serverless and edge compute). A track recor…"source · 22 Sept 2026
Mentioned in job posting"Senior Software Engineer - Addressing Team" posting: "…tware Engineers to join our small but growing team. You will work on a range of microservices written mainly in Go. You’ll be designing and developing new APIs and data mode…"source · 2 Sept 2026
First observed 11 Oct 2026
Multi-cloudmedium3 evidenceEvidence
Named in 8 engineering job postings
Mentioned in job posting"Principal Partner Engineer, APAC" posting: "…erprise Architecture & Project Management: Deep understanding of enterprise IT, multi-cloud, and hybrid cloud environment while managing complex projects with multiple sta…"source · 24 Sept 2026
Mentioned in job posting"Partner Engineer, Spain" posting: "…erprise Architecture & Project Management: Deep understanding of enterprise IT, multi-cloud, and hybrid cloud environment while managing complex projects with multiple sta…"source · 9 Sept 2026
Mentioned in job posting"Customer Engineering Specialist - Network Services" posting: "…tailed understanding of the path from user to application, including hybrid and multi-cloud architectures (Azure, AWS, GCP). Knowledge of end-user and application security…"source · 2 Mar 2026
First observed 11 Oct 2026
Serverless architecturemedium3 evidenceEvidence
Named in 33 engineering job postings
Mentioned in job posting"Digital Customer Engineer - Swedish or Russian Speaker" posting: "…Azure, or Google Cloud. Exposure to modern application architectures, including serverless computing, containers, microservices, and APIs. Knowledge of common application…"source · 7 Oct 2026
Mentioned in job posting"Director, Growth Sales (AI & Digital Natives) " posting: "…oper platform space. A strong understanding of modern application architecture, serverless computing, and how AI startups utilize compute and data storage. Active connect…"source · 5 Oct 2026
Mentioned in job posting"Director, Enterprise Sales (AI & Digital Natives)" posting: "…eloper platform space. A deep understanding of modern application architecture, serverless computing, network security services, and how AI companies utilize compute, dat…"source · 8 Jul 2026
First observed 11 Oct 2026
blog
Cloudflare implemented an internal compliance system utilizing Astro and large language models to parse and enforce RFC engineering specifications. · 2026-08
F6C [Programming languages] — medium confidence (Found in public code or configuration), 5% of public code. e.g. 5% of code across 286 public repositories (5% in repos pushed in the last 180 days); largest in cloudflare/doom-wasm (23 Apr 2026)source
F7HTML [Programming languages] — medium confidence (Found in public code or configuration), 2% of public code. e.g. 2% of code across 286 public repositories (2% in repos pushed in the last 180 days); largest in cloudflare/go (24 Apr 2026)source
F8PHP [Programming languages] — medium confidence (Found in public code or configuration), 1.7% of public code. e.g. 1.7% of code across 286 public repositories (1.7% in repos pushed in the last 180 days); largest in cloudflare/Cloudflare-WordPress (5 Oct 2026)source
F9Shell [Programming languages] — high confidence (Confirmed by 2 independent sources (code, jobs)), 1.4% of public code. e.g. 1.4% of code across 286 public repositories (1.4% in repos pushed in the last 180 days); largest in cloudflare/cloudflare-typescript (3 Oct 2026)source
F10CSS [Programming languages] — medium confidence (Found in public code or configuration), 1.4% of public code. e.g. 1.4% of code across 286 public repositories (1.4% in repos pushed in the last 180 days); largest in cloudflare/cloudflare-docs (18 Oct 2026)source
F11Swift [Programming languages] — low confidence (Single weak signal (jobs)), 0.8% of public code. e.g. "Software Engineer, Mobile SDK" posting: "…wledge, and Experience: Deep experience building production software for either iOS with Swift or Android with Kotlin , and enough familiarity with the other ecosystem to gui…" (2 Oct 2026)source
F12Java [Programming languages] — medium confidence (Named in 3 engineering job postings), 0.7% of public code. e.g. "Software Engineer" posting: "…rm tools. Strong proficiency in modern programming languages (e.g., Go, Python, Java, or Rust) with a track record of writing clean, testable, and maintainable code…" (18 Sept 2026)source
F13Lua [Programming languages] — medium confidence (Named in 34 engineering job postings), 0.5% of public code. e.g. "Digital Customer Engineer - Swedish or Russian Speaker" posting: "…ipting: Experience with at least one language such as Python, JavaScript, Bash, Lua, or Go. Developer Platform Fluency: Familiarity with APIs, SDKs, webhooks, clou…" (7 Oct 2026)source
F14C++ [Programming languages] — medium confidence (Named in 32 engineering job postings), 0.4% of public code. e.g. "Engineering Manager, Cloudflare Network Interconnect" posting: "…l technologies. Systems-level programming experience in Go, Python, Rust, C, or C++. Comfort with customer-facing technical communication (escalation handling, par…" (29 Jul 2026)source
F15Ruby [Programming languages] — low confidence (Single weak signal (jobs)), 0.1% of public code. e.g. "Systems Engineer - Database Platform" posting: "…Grafana, and Kibana. Nice-to-Have Skills Experience developing software in Go, Ruby or C/C++ Contributions to PostgreSQL or relevant open-source projects. Expertis…" (4 Sept 2026)source
F16SQL [Programming languages] — medium confidence (Named in 32 engineering job postings), 0% of public code. e.g. "Infrastructure Business Operations Associate " posting: "…wnership, and keep work moving. Improve recurring workflows using spreadsheets, SQL, AI tools, lightweight automation, and clear documentation; help maintain trust…" (14 Oct 2026)source
F17C# [Programming languages] — low confidence (Single weak signal (jobs)), 0% of public code. e.g. "Senior Software Engineer, Zero Trust Client" posting: "…ing, etc.). You will also have to interact with other languages, such as Swift, C#, C, and python. As a Senior Software Engineer, you will be expected to make sig…" (21 Sept 2026)source
F18Kotlin [Programming languages] — low confidence (Single weak signal (jobs)), 0% of public code. e.g. "Software Engineer, Mobile SDK" posting: "…perience building production software for either iOS with Swift or Android with Kotlin , and enough familiarity with the other ecosystem to guide shared architectural…" (2 Oct 2026)source
F19Scala [Programming languages] — low confidence (Single weak signal (jobs)), 0% of public code. e.g. "Senior Data Engineer" posting: "…pplications. Our stack spans multiple languages and technologies, including Go, Scala, and ClickHouse, and continues to evolve. Many of our products also incorporate…" (14 Jul 2026)source
F20gRPC [Frameworks and libraries] — high confidence (Confirmed by 2 independent sources (code, jobs)). e.g. `go.mod` in cloudflare/cloudflared declares `google.golang.org/grpc` (15 Oct 2026)source
F21React [Frameworks and libraries] — high confidence (Confirmed by 2 independent sources (code, jobs)). e.g. `package.json` in cloudflare/cloudflare-docs declares `react` (18 Oct 2026)source
F22Tokio [Frameworks and libraries] — medium confidence (Found in public code or configuration). e.g. `deps/rust/Cargo.toml` in cloudflare/workerd declares `tokio` (18 Oct 2026)source
F23Node.js [Frameworks and libraries] — medium confidence (Found in public code or configuration). e.g. cloudflare/workers-sdk contains `packages/quick-edit/.nvmrc` (18 Oct 2026)source
F24Gin [Frameworks and libraries] — medium confidence (Found in public code or configuration). e.g. `go.mod` in cloudflare/cloudflared declares `github.com/gin-gonic/gin` (15 Oct 2026)source
F25Tailwind CSS [Frameworks and libraries] — medium confidence (Found in public code or configuration). e.g. `package.json` in cloudflare/cloudflare-docs declares `tailwindcss` (18 Oct 2026)source
F26GraphQL [Frameworks and libraries] — medium confidence (Named in 36 engineering job postings). e.g. "Digital Presales Customer Engineer" posting: "…Experience designing, building, deploying or scaling applications using RESTful/GraphQL APIs, SDKs, webhooks, and developer tooling in cloud-native environments. Famil…" (1 Oct 2026)source
F27LangChain [Frameworks and libraries] — low confidence (Single weak signal (jobs)). e.g. "Senior Machine Learning Engineer" posting: "…lications and multi-agent systems using advanced LLM frameworks like LangGraph, LangChain, or Autogen. Deep understanding of agent harness primitives, state management,…" (2 Jul 2026)source
F28PyTorch [Frameworks and libraries] — low confidence (Single weak signal (jobs)). e.g. "Senior Machine Learning Engineer" posting: "…n environments. Strong proficiency with Python and modern ML frameworks such as PyTorch, TensorFlow, JAX, or equivalent. Hands-on experience with inference optimizatio…" (9 Jul 2026)source
F29TensorFlow [Frameworks and libraries] — low confidence (Single weak signal (jobs)). e.g. "Senior Machine Learning Engineer" posting: "…ments. Strong proficiency with Python and modern ML frameworks such as PyTorch, TensorFlow, JAX, or equivalent. Hands-on experience with inference optimization techniques…" (9 Jul 2026)source
F30FastAPI [Frameworks and libraries] — low confidence (Single weak signal (jobs)). e.g. "Senior Machine Learning Engineer" posting: "…. Experience with full-stack web technologies and serverless/edge environments (FastAPI, TypeScript/JavaScript, Cloudflare Workers), with the agility to contribute acr…" (2 Jul 2026)source
F31Flutter [Frameworks and libraries] — low confidence (Single weak signal (jobs)). e.g. "Software Engineer, Mobile SDK" posting: "…native SDKs are consumed by cross-platform frameworks such as React Native and Flutter is a plus Familiarity with lower-level languages like C++ or Rust for high-perf…" (2 Oct 2026)source
F32React Native [Frameworks and libraries] — low confidence (Single weak signal (jobs)). e.g. "Software Engineer, Mobile SDK" posting: "…iliarity with how native SDKs are consumed by cross-platform frameworks such as React Native and Flutter is a plus Familiarity with lower-level languages like C++ or Rust f…" (2 Oct 2026)source
F33Cloudflare [Cloud platforms] — high confidence (Confirmed by 4 independent sources (code, jobs, articles, web)). e.g. cloudflare/workers-sdk contains `packages/chrome-devtools-patches/wrangler.jsonc`, `packages/create-cloudflare/templates/analog/templates/wrangler.jsonc`, `packages/create-cloudflare/templates/angular/pages/templates/wrangler.jsonc`, `packages/create-cloudflare/templates/angular/workers/templates/wrangler.jsonc`, `packages/create-cloudflare/templates/astro/pages/templates/js/wrangler.jsonc` (18 Oct 2026)source
F34AWS [Cloud platforms] — medium confidence (Named in 31 engineering job postings). e.g. "Customer Solutions Strategy Lead" posting: "…oud computing solutions implementations including Microsoft 365, Azure, Google, AWS Compensation Compensation may be adjusted depending on work location. This role…" (11 Sept 2026)source
F35Google Cloud [Cloud platforms] — medium confidence (Named in 37 engineering job postings). e.g. "Developer GTM Strategy Manager, Technical Programs" posting: "…itize work and inform decisions. Prior experience with Salesforce CRM, Tableau, BigQuery, or BoostUp is a plus. Background in SaaS or Product-Led Growth (PLG) is a stro…" (21 Sept 2026)source
F36Microsoft Azure [Cloud platforms] — medium confidence (Named in 28 engineering job postings). e.g. "Customer Solutions Engineer" posting: "…t with Terraform, API-based configurations, or identity providers such as Okta, Azure AD, and SAML/OIDC integrations. Observability: ability to read and interpret Se…" (28 Sept 2026)source
F37Oracle Cloud [Cloud platforms] — low confidence (Single weak signal (jobs)). e.g. "Senior Oracle Security and AI Engineer" posting: "…e. Platform Stability & Governance: Own the non-functional requirements for the Oracle Cloud environment, including security architecture, role design governance, and perfo…" (22 Sept 2026)source
F38Docker [Containers & orchestration] — high confidence (Confirmed by 2 independent sources (code, jobs)). e.g. cloudflare/workers-sdk contains `packages/vite-plugin-cloudflare/playground/containers/Dockerfile` (18 Oct 2026)source
F39Kubernetes [Containers & orchestration] — medium confidence (Named in 44 engineering job postings). e.g. "IAM Security Engineer" posting: "…perience with secure configuration of containerized application platforms (e.g. Kubernetes) Advanced scripting experience (Python, TypeScript, Bash, etc.) Experience impl…" (11 Sept 2026)source
F40Nomad [Containers & orchestration] — medium confidence (Named in 3 engineering job postings). e.g. "Senior Systems Engineer, Browser Isolation" posting: "…st. Distributed services and orchestration: Go, TypeScript, Cloudflare Workers, Nomad, and Consul. Remote rendering and streaming: WebRTC and Skia. Browser client: T…" (14 Oct 2026)source
F41Argo CD [Containers & orchestration] — low confidence (Single weak signal (jobs)). e.g. "Senior Machine Learning Engineer" posting: "…or Azure). Hands-on experience with modern MLOps platform tools (e.g., Airflow, Argo Workflows, ArgoCD) and data systems including BigQuery, Postgres, and robust ETL/ELT prac…" (2 Jul 2026)source
F42Ansible [Infrastructure as code] — medium confidence (Named in 11 engineering job postings). e.g. "IAM Security Engineer" posting: "…with infrastructure as code and configuration management tools like Terraform, Ansible, etc. What Makes Cloudflare Special? We’re not just a highly ambitious, large-s…" (11 Sept 2026)source
F43Pulumi [Infrastructure as code] — medium confidence (Named in 34 engineering job postings). e.g. "Customer Solutions Engineer" posting: "…onment. Automation Mindset: Familiarity with Infrastructure-as-Code (Terraform, Pulumi) or CI/CD pipelines for configuration management. AI-Augmented Workflow: Comfor…" (28 Sept 2026)source
F44Puppet [Infrastructure as code] — medium confidence (Named in 3 engineering job postings). e.g. "Network Deployment Engineer" posting: "…guration Management: Hands-on experience with tools such as SaltStack, Ansible, Puppet, or Chef. Operational Drive: Proven capability to manage global vendors, antici…" (7 Aug 2026)source
F45Terraform [Infrastructure as code] — medium confidence (Named in 53 engineering job postings). e.g. "Customer Solutions Engineer" posting: "…ntegration: hands-on experience with the Cloudflare Dashboard, and comfort with Terraform, API-based configurations, or identity providers such as Okta, Azure AD, and SA…" (28 Sept 2026)source
F46GitLab CI [CI/CD & build] — high confidence (Confirmed by 2 independent sources (code, jobs)). e.g. cloudflare/cloudflare-docs contains `.gitlab-ci.yml` (18 Oct 2026)source
F47GitHub Actions [CI/CD & build] — medium confidence (Found in public code or configuration). e.g. cloudflare/workers-sdk contains `.github/workflows/bonk-pr-review.yml`, `.github/workflows/bonk.yml`, `.github/workflows/c3-dependabot-versioning-prs.yml`, `.github/workflows/c3-e2e.yml`, `.github/workflows/changesets.yml` (18 Oct 2026)source
F48Dependabot [CI/CD & build] — medium confidence (Found in public code or configuration). e.g. cloudflare/workers-sdk contains `.github/dependabot.yml` (18 Oct 2026)source
F49Turborepo [CI/CD & build] — medium confidence (Found in public code or configuration). e.g. cloudflare/workers-sdk contains `packages/autoconfig/turbo.json`, `packages/build-output-utils/turbo.json`, `packages/cli/turbo.json`, `packages/codemods/turbo.json`, `packages/config/turbo.json` (18 Oct 2026)source
F50Bazel [CI/CD & build] — medium confidence (Found in public code or configuration). e.g. cloudflare/workerd contains `.bazelrc`, `BUILD.bazel`, `MODULE.bazel`, `build/config/BUILD.bazel`, `build/google-benchmark/MODULE.bazel` (18 Oct 2026)source
F51Renovate [CI/CD & build] — medium confidence (Found in public code or configuration). e.g. cloudflare/cloudflared contains `renovate.json` (15 Oct 2026)source
F52Prometheus [Observability] — high confidence (Confirmed by 2 independent sources (code, jobs)). e.g. `go.mod` in cloudflare/cloudflared declares `github.com/prometheus/client_golang` (15 Oct 2026)source
F53Sentry [Observability] — high confidence (Confirmed by 2 independent sources (code, jobs)). e.g. `go.mod` in cloudflare/cloudflared declares `github.com/getsentry/sentry-go` (15 Oct 2026)source
F54OpenTelemetry [Observability] — medium confidence (Found in public code or configuration). e.g. `go.mod` in cloudflare/cloudflared declares `go.opentelemetry.io/otel`, `go.opentelemetry.io/otel/exporters/otlp/otlptrace`, `go.opentelemetry.io/otel/sdk`, `go.opentelemetry.io/otel/trace`, `go.opentelemetry.io/otel/metric` (15 Oct 2026)source
F55Elastic Stack [Observability] — medium confidence (Named in 6 engineering job postings). e.g. "Senior Engineering Manager, Observability" posting: "…observability (OTLP, OLAP databases such as Clickhouse, Grafana, Elasticsearch, Kibana, etc) Experience building with Cloudflare’s Developer Platform and have opinion…" (16 Sept 2026)source
F56Grafana [Observability] — medium confidence (Named in 26 engineering job postings). e.g. "Engineering Manager, Edge SRE" posting: "…using observability tools such as Jaeger, OpenTracing, ELK, Prometheus, Thanos, Grafana, Clickhouse Experience running and maturing distributed systems Familiarity wor…" (1 Oct 2026)source
F57Jaeger [Observability] — low confidence (Single weak signal (jobs)). e.g. "Engineering Manager, Edge SRE" posting: "…deadlines and short release cycles Experience using observability tools such as Jaeger, OpenTracing, ELK, Prometheus, Thanos, Grafana, Clickhouse Experience running a…" (1 Oct 2026)source
F58Splunk [Observability] — low confidence (Single weak signal (jobs)). e.g. "Principal Software Engineer, Enterprise Integrations" posting: "…xperience with observability tooling (e.g. Grafana, Prometheus, Sentry, Kibana, Splunk or similar) Working familiarity with containerized/cloud environments (Kubernet…" (25 Aug 2026)source
F59BigQuery [Data & messaging] — medium confidence (Named in 7 engineering job postings). e.g. "Developer GTM Strategy Manager, Technical Programs" posting: "…itize work and inform decisions. Prior experience with Salesforce CRM, Tableau, BigQuery, or BoostUp is a plus. Background in SaaS or Product-Led Growth (PLG) is a stro…" (21 Sept 2026)source
F60ClickHouse [Data & messaging] — medium confidence (Named in 26 engineering job postings). e.g. "Engineering Manager, Edge SRE" posting: "…ervability tools such as Jaeger, OpenTracing, ELK, Prometheus, Thanos, Grafana, Clickhouse Experience running and maturing distributed systems Familiarity working with Pr…" (1 Oct 2026)source
F61dbt [Data & messaging] — medium confidence (Named in 3 engineering job postings). e.g. "Data Analyst" posting: "…er 2+ years experience with data ingestion and transformation frameworks (e.g., dbt, Fivetran, or custom/in-house developed platforms) Initiative, curiosity, stron…" (10 Aug 2026)source
F62Elasticsearch [Data & messaging] — medium confidence (Named in 3 engineering job postings). e.g. "Systems Engineer - Data Security" posting: "…or service monitoring we use Prometheus and Grafana. For service logging we use Elasticsearch and Kibana. For product analytics we use Clickhouse and BigQuery. Examples of d…" (9 Oct 2026)source
F63Kafka [Data & messaging] — medium confidence (Named in 14 engineering job postings). e.g. "Senior Distributed Systems Engineer - Cache" posting: "…, relational databases, or analytical data systems Familiarity with Kubernetes, Kafka, PostgreSQL, ClickHouse, or similar infrastructure Experience contributing to o…" (9 Sept 2026)source
F64MySQL [Data & messaging] — medium confidence (Named in 14 engineering job postings). e.g. "Senior Software Engineer - Addressing Team" posting: "…have a working knowledge of SQL and relational databases such as PostgreSQL or MySQL You have experience building and operating distributed systems You have excelle…" (2 Sept 2026)source
F65PostgreSQL [Data & messaging] — medium confidence (Named in 39 engineering job postings). e.g. "Principal Software Engineer, Enterprise Integrations" posting: "…nce with business financial systems, such as Oracle or NetSuite Experience with PostgreSQL Experience with Cloudflare Developer Platform (Workers, Workflows, D1, etc.) Ex…" (25 Aug 2026)source
F66Pub/Sub [Data & messaging] — medium confidence (Named in 3 engineering job postings). e.g. "Software Engineer, AI Agents" posting: "…o mystery boxes Integrate with queues and webhooks; publish events on Queues or Pub/Sub Cut cost per case and time to first response. Prove it with data. Take end to e…" (13 Oct 2026)source
F67Redis [Data & messaging] — medium confidence (Named in 9 engineering job postings). e.g. "Senior Software Engineer - Load Balancing" posting: "…vices written mainly in Go. Technologies we use include Docker, Go, PostgreSQL, Redis, gRPC, Kafka, Clickhouse and the usual Unix/Linux tools and workflows. We striv…" (22 Sept 2026)source
F68Snowflake [Data & messaging] — medium confidence (Named in 3 engineering job postings). e.g. "Senior Systems Engineer - Go-To-Market Data Team" posting: "…nizations. Columnar/OLAP or lakehouse experience (ClickHouse, DuckDB, BigQuery, Snowflake, Iceberg, Starrocks).Familiarity with the Salesforce data model and CRM/API int…" (6 Aug 2026)source
F69Airflow [Data & messaging] — low confidence (Single weak signal (jobs)). e.g. "Data Analyst" posting: "…or Github 2+ years experience working with job orchestration tools like Apache Airflow, both as a pipeline developer and reviewer 2+ years experience with data ingest…" (10 Aug 2026)source
F70SQLite [Data & messaging] — low confidence (Single weak signal (jobs)). e.g. "Senior Engineering Manager - Cloudforce One" posting: "…gerprints). Experience with edge computing (e.g., Workers), SQL-at-the-edge (D1/SQLite), and building systems that scale to handle trillions of signals. Excel at plan…" (30 Jun 2026)source
F71Apache Flink [Data & messaging] — low confidence (Single weak signal (jobs)). e.g. "Senior Systems Engineer, Basin Pipelines" posting: "…scaling, or writing applications on top of existing data platforms like Kafka, Flink, Spark, Databricks, or Snowflake, this role is not the right fit. We are seekin…" (28 Jul 2025)source
F72Apache Spark [Data & messaging] — low confidence (Single weak signal (jobs)). e.g. "Senior Data Scientist" posting: "…ferred. Strong experience in scientific computing using Python. Experience with Spark, SQL, Tableau, Google Analytics, BigQuery (or any other Big data/Cloud equivale…" (2 Mar 2026)source
F73Cassandra [Data & messaging] — low confidence (Single weak signal (jobs)). e.g. "Systems Engineer - Database Platform" posting: "…ith non-relational data stores such as Distributed & time-series databases (ex. Cassandra, Timescale) and key-value stores (eg., Redis) Compensation Compensation may be…" (4 Sept 2026)source
F74Databricks [Data & messaging] — low confidence (Single weak signal (jobs)). e.g. "Senior Systems Engineer, Basin Pipelines" posting: "…riting applications on top of existing data platforms like Kafka, Flink, Spark, Databricks, or Snowflake, this role is not the right fit. We are seeking the engineers who…" (28 Jul 2025)source
F75RabbitMQ [Data & messaging] — low confidence (Single weak signal (jobs)). e.g. "Systems Engineer, SSL/TLS Team" posting: "…ormance, caching, data storage/retrieval Experience with message queues (Kafka, RabbitMQ, etc) What Makes Cloudflare Special? We’re not just a highly ambitious, large-s…" (27 Aug 2026)source
F76Atlassian [SaaS & tooling] — high confidence (Confirmed by 2 independent sources (jobs, dns)). e.g. "Data Center Strategy - Edge" posting: "…t planning, financial analysis, or other analytical role a plus Experience with Jira a plus Multilingual and/or experience living/working/conducting business in ano…" (15 Oct 2026)source
F77Salesforce [SaaS & tooling] — high confidence (Confirmed by 2 independent sources (jobs, dns)). e.g. "Developer GTM Strategy Manager, Technical Programs" posting: "…iness dashboards to prioritize work and inform decisions. Prior experience with Salesforce CRM, Tableau, BigQuery, or BoostUp is a plus. Background in SaaS or Product-Led…" (21 Sept 2026)source
F78Google Workspace [SaaS & tooling] — high confidence (Confirmed by 2 independent sources (jobs, dns)). e.g. "Senior Product Manager, Email Security" posting: "…gating architectural trade-offs with senior engineers regarding mail flow (M365/Google Workspace), cloud infrastructure, and API performance. Have high ownership. Comfortable b…" (11 Sept 2026)source
F79Microsoft 365 [SaaS & tooling] — high confidence (Confirmed by 2 independent sources (jobs, dns)). e.g. "Customer Solutions Strategy Lead" posting: "…d partners. Experience with cloud computing solutions implementations including Microsoft 365, Azure, Google, AWS Compensation Compensation may be adjusted depending on work…" (11 Sept 2026)source
F80Slack [SaaS & tooling] — medium confidence (Named in 3 engineering job postings). e.g. "Senior Customer Engineer AI/ Start Up's" posting: "…s being in the room with builders. You'll be equally comfortable jumping into a Slack channel with a founding engineer, whiteboarding an architecture with a lead dev…" (13 Oct 2026)source
F81Consul [SaaS & tooling] — low confidence (Single weak signal (jobs)). e.g. "Senior Systems Engineer, Browser Isolation" posting: "…uted services and orchestration: Go, TypeScript, Cloudflare Workers, Nomad, and Consul. Remote rendering and streaming: WebRTC and Skia. Browser client: TypeScript, W…" (14 Oct 2026)source
F82HashiCorp Vault [SaaS & tooling] — low confidence (Single weak signal (jobs)). e.g. "Senior Software Engineer - Security Platform" posting: "…platform TEEs (e.g. AMD SEV, Intel SGX, Apple Secure Enclave). Familiarity with HashiCorp Vault or OpenBao, or similar. Familiarity with Go and/or Python + Salt specifically.…" (7 Oct 2026)source
F83Okta [SaaS & tooling] — low confidence (Single weak signal (jobs)). e.g. "Customer Solutions Engineer" posting: "…comfort with Terraform, API-based configurations, or identity providers such as Okta, Azure AD, and SAML/OIDC integrations. Observability: ability to read and inter…" (28 Sept 2026)source
F84Statuspage [SaaS & tooling] — low confidence (Single weak signal (dns)). e.g. TXT verification record for Statuspage source
F85Apple Business [SaaS & tooling] — low confidence (Single weak signal (dns)). e.g. TXT verification record for Apple Business source
F86Docker Hub [SaaS & tooling] — low confidence (Single weak signal (dns)). e.g. TXT verification record for Docker Hub source
F87Mailchimp [SaaS & tooling] — low confidence (Single weak signal (dns)). e.g. SPF include:spf.mandrillapp.com (Mailchimp) source
F88Meta Business [SaaS & tooling] — low confidence (Single weak signal (dns)). e.g. TXT verification record for Meta Business source
F89Stripe [SaaS & tooling] — low confidence (Single weak signal (dns)). e.g. TXT verification record for Stripe source
F90Zendesk [SaaS & tooling] — low confidence (Single weak signal (dns)). e.g. SPF include:mail.zendesk.com (Zendesk) source
F91Zoom [SaaS & tooling] — low confidence (Single weak signal (dns)). e.g. TXT verification record for Zoom source
F92Platform engineering [Architecture signals] — high confidence (Confirmed by 2 independent sources (jobs, articles)). e.g. "Customer Solutions Strategy Lead" posting: "…rchitects, Infrastructure leads, CISO Developer Scope: Adoption of Cloudflare's developer platform for new application development. Workers, Workers KV, Pages, Queues, Durable Ob…" (15 Oct 2026)source
F93Monorepo [Architecture signals] — medium confidence (Found in public code or configuration). e.g. cloudflare/workers-sdk contains `pnpm-workspace.yaml` (18 Oct 2026)source
F94Distributed systems [Architecture signals] — medium confidence (Named in 116 engineering job postings). e.g. "Digital Presales Customer Engineer" posting: "…Digital Native Background: Talent coming out of hyperscalers, digital natives, distributed systems environments, or startups is strongly valued for its deeper cloud fluency and a…" (1 Oct 2026)source
F95Event-driven architecture [Architecture signals] — medium confidence (Named in 6 engineering job postings). e.g. "Security Engineer, Applied Research & Labs" posting: "…Python, or a comparable language, with production experience in distributed or event-driven systems Hands-on experience building LLM-based systems, including agent orchest…" (13 Oct 2026)source
F96Microservices [Architecture signals] — medium confidence (Named in 11 engineering job postings). e.g. "Digital Customer Engineer - Swedish or Russian Speaker" posting: "…o modern application architectures, including serverless computing, containers, microservices, and APIs. Knowledge of common application-security risks and mitigation strate…" (7 Oct 2026)source
F97Multi-cloud [Architecture signals] — medium confidence (Named in 8 engineering job postings). e.g. "Principal Partner Engineer, APAC" posting: "…erprise Architecture & Project Management: Deep understanding of enterprise IT, multi-cloud, and hybrid cloud environment while managing complex projects with multiple sta…" (24 Sept 2026)source
F98Serverless architecture [Architecture signals] — medium confidence (Named in 33 engineering job postings). e.g. "Digital Customer Engineer - Swedish or Russian Speaker" posting: "…Azure, or Google Cloud. Exposure to modern application architectures, including serverless computing, containers, microservices, and APIs. Knowledge of common application…" (7 Oct 2026)source
M1GitHub activity Very active; activity score 98/100 (previous snapshot 96). 85 repos pushed in 30 days, 115 in 90 days; 863 commits in 90 days across 4 sampled repos; 256 contributors; 52 releases in 90 days. (18 Oct 2026)source
M2Recently active repository cloudflare/workers-sdk (last push 2026-10-18) (18 Oct 2026)source
M3Recently active repository cloudflare/cloudflare-os (last push 2026-10-18) (18 Oct 2026)source
M4Recently active repository cloudflare/cloudflare-os-starter (last push 2026-10-18, 13 commits in 52 weeks) (18 Oct 2026)source
R1Release v1.20261018.1 of cloudflare/workerd published 2026-10-18 (18 Oct 2026)source
R2Release wpt-456f346c2 of cloudflare/workerd-tools published 2026-10-18 (18 Oct 2026)source
R3Release v1.20261017.1 of cloudflare/workerd published 2026-10-17 (17 Oct 2026)source
R4Release @cloudflare/remote-bindings@0.0.49 of cloudflare/workers-sdk published 2026-10-16 (16 Oct 2026)source
R5Release @cloudflare/runtime-types@0.1.12 of cloudflare/workers-sdk published 2026-10-16 (16 Oct 2026)source
R6Release @cloudflare/deploy-helpers@0.21.0 of cloudflare/workers-sdk published 2026-10-16 (16 Oct 2026)source
N1New public repository cloudflare/cloudflare-os-starter created 2026-08-03 (3 Aug 2026)source
N2New public repository cloudflare/cf created 2026-09-21 (21 Sept 2026)source
N3New public repository cloudflare/forge created 2026-09-21 (21 Sept 2026)source
N4New public repository cloudflare/kumo-astro created 2026-08-24 (24 Aug 2026)source
H1244 open engineering roles of 435 total on greenhouse (previous snapshot: 241). Most-mentioned technologies: Cloudflare (244), Distributed systems (116), Platform engineering (104), Python (101), JavaScript (85), Go (69), Rust (62), TypeScript (57). source
J2Open role "Systems Engineer - Data Security" (Engineering) mentioning Go, Python, TypeScript, JavaScript, React, AWS, Google Cloud, Microsoft Azure source
D2Email: unknown. SaaS verification records: Apple Business, Canva, Statuspage, Google, OneTrust, Stripe, Zoom, Microsoft 365, Docker Hub, Jamf, Miro, Atlassian, Meta Business, Cisco Webex.
A1“A fully programmable secure web gateway” (engineering blog) (15 Oct 2026)source
A2“Deploy with Void” (engineering blog) (15 Oct 2026)source
A3“Cloudflare and OpenAI: Making AI discovery better for everyone” (engineering blog) (15 Oct 2026)source
A4“Yandex outage: Data shows that instead of going dark, malicious bots went on the move” (engineering blog) (14 Oct 2026)source
A5“Cloudflare outage on November 18, 2025 post mortem” (Hacker News, 1465 points) (18 Nov 2025)source
W1Web research (open_source): “Deploy with Void” — Cloudflare open-sourced Void, an SDK, CLI, and self-hosted platform for building Vite applications and deploying them to Cloudflare Workers. (1 Oct 2026)source
W2Web research (open_source): “Introducing Clef: our open-source decision models, and new RL fine-tuning platform” — Cloudflare released Clef and Clef-flash, open-source decision models running on Workers AI alongside a reinforcement learning fine-tuning platform. (1 Oct 2026)source
W3Web research (migration): “Cloudflare Moves Its Blog from WordPress to EmDash” — Cloudflare migrated its blog from WordPress to EmDash, an in-house TypeScript CMS running on Cloudflare Workers, Workers KV, Hyperdrive, and PlanetScale. (1 Sept 2026)source
W4Web research (blog): “How Cloudflare enforces engineering standards using AI” — Cloudflare implemented an internal compliance system utilizing Astro and large language models to parse and enforce RFC engineering specifications. (1 Aug 2026)source
W5Web research (announcement): “Pingora now powers Cloudflare's cache” — Cloudflare switched its caching infrastructure to a new proxy engine implemented in Rust using the Pingora framework. (1 May 2026)source
