# Cloudflare - **Answer**: Cloudflare builds mostly with Python, JavaScript, Go, Rust. Its stack also includes Galileo, Tableau, PostgreSQL, ClickHouse. Galileo is named in 336 of the 721 job postings Cloudflare published in the last 12 months (47%). Counted by Alion from the job postings of Cloudflare, updated Nov 12, 2026. - **Window days**: 365 - **Postings analysed**: 721 - **Open postings**: 443 - **Technologies in use**: 259 - **Modernity score**: 78 - **Ai adoption**: yes - **Own products**: Cloudflare - **License**: CC BY-SA 4.0 ## Company - **Id**: 1532 - **Name**: Cloudflare - **Domain**: cloudflare.com - **Url**: ## Technologies - **DNS** — Layer: practices; Postings: 721; Share: 1; Required: 195; Open postings: 443; First seen: 2025-01-10 - **Galileo** — Layer: cloud; Postings: 336; Share: 0.466; Required: 30; Open postings: 212; First seen: 2025-02-20 - **Python** — Layer: languages; Postings: 204; Share: 0.2829; Required: 102; Open postings: 117; First seen: 2025-07-11 - **AI Agents** — Layer: practices; Postings: 167; Share: 0.2316; Required: 150; Open postings: 101; First seen: 2025-06-12 - **JavaScript** — Layer: languages; Postings: 155; Share: 0.215; Required: 84; Open postings: 90; First seen: 2025-01-31 - **Go** — Layer: languages; Postings: 133; Share: 0.1845; Required: 93; Open postings: 78; First seen: 2025-06-12 - **LLM** — Layer: ai; Postings: 124; Share: 0.172; Required: 79; Open postings: 74; First seen: 2026-01-07 - **Tableau** — Layer: cloud; Postings: 108; Share: 0.1498; Required: 25; Open postings: 78; First seen: 2025-01-10 - **BGP** — Layer: practices; Postings: 105; Share: 0.1456; Required: 75; Open postings: 66; First seen: 2026-01-07 - **CI/CD** — Layer: practices; Postings: 104; Share: 0.1442; Required: 67; Open postings: 64; First seen: 2026-01-07 - **RAG** — Layer: practices; Postings: 101; Share: 0.1401; Required: 4; Open postings: 62; First seen: 2026-01-07 - **Terraform** — Layer: tools; Postings: 97; Share: 0.1345; Required: 68; Open postings: 62; First seen: 2025-10-09 - **Prompt Engineering** — Layer: practices; Postings: 94; Share: 0.1304; Required: 56; Open postings: 57; First seen: 2026-01-07 - **Rust** — Layer: languages; Postings: 90; Share: 0.1248; Required: 50; Open postings: 57; First seen: 2025-01-31 - **TypeScript** — Layer: languages; Postings: 83; Share: 0.1151; Required: 38; Open postings: 52; First seen: 2025-06-12 - **Linux** — Layer: cloud; Postings: 74; Share: 0.1026; Required: 41; Open postings: 49; First seen: 2025-01-31 - **Rest API** — Layer: tools; Postings: 69; Share: 0.0957; Required: 49; Open postings: 58; First seen: 2025-10-09 - **Kubernetes** — Layer: cloud; Postings: 68; Share: 0.0943; Required: 27; Open postings: 47; First seen: 2025-09-30 - **GraphQL** — Layer: tools; Postings: 64; Share: 0.0888; Required: 54; Open postings: 39; First seen: 2025-11-05 - **PostgreSQL** — Layer: data; Postings: 63; Share: 0.0874; Required: 26; Open postings: 41; First seen: 2025-10-09 - **GCP** — Layer: cloud; Postings: 63; Share: 0.0874; Required: 13; Open postings: 32; First seen: 2026-01-12 - **SQL** — Layer: languages; Postings: 62; Share: 0.086; Required: 19; Open postings: 39; First seen: 2025-09-30 - **Pulumi** — Layer: tools; Postings: 61; Share: 0.0846; Required: 50; Open postings: 41; First seen: 2026-01-07 - **AWS** — Layer: cloud; Postings: 60; Share: 0.0832; Required: 13; Open postings: 33; First seen: 2026-01-12 - **Lua** — Layer: languages; Postings: 58; Share: 0.0804; Required: 50; Open postings: 38; First seen: 2026-01-07 - **Azure** — Layer: cloud; Postings: 52; Share: 0.0721; Required: 13; Open postings: 29; First seen: 2026-01-12 - **C++** — Layer: languages; Postings: 43; Share: 0.0596; Required: 25; Open postings: 28; First seen: 2025-01-31 - **Grafana** — Layer: cloud; Postings: 43; Share: 0.0596; Required: 15; Open postings: 28; First seen: 2025-11-05 - **TCP/IP** — Layer: practices; Postings: 42; Share: 0.0583; Required: 27; Open postings: 22; First seen: 2025-12-22 - **ClickHouse** — Layer: data; Postings: 40; Share: 0.0555; Required: 21; Open postings: 25; First seen: 2025-12-22 - **Prometheus** — Layer: tools; Postings: 40; Share: 0.0555; Required: 10; Open postings: 21; First seen: 2025-11-05 - **Docker** — Layer: tools; Postings: 31; Share: 0.043; Required: 7; Open postings: 21; First seen: 2026-01-22 - **Model Context Protocol** — Layer: tools; Postings: 30; Share: 0.0416; Required: 21; Open postings: 17; First seen: 2025-06-12 - **Machine Learning** — Layer: practices; Postings: 24; Share: 0.0333; Required: 22; Open postings: 11; First seen: 2026-01-22 - **Unix** — Layer: cloud; Postings: 22; Share: 0.0305; Required: 10; Open postings: 18; First seen: 2025-01-31 - **MySQL** — Layer: data; Postings: 22; Share: 0.0305; Required: 4; Open postings: 19; First seen: 2026-06-19 - **DLP** — Layer: cloud; Postings: 20; Share: 0.0277; Required: 11; Open postings: 11; First seen: 2026-01-12 - **Bash** — Layer: languages; Postings: 19; Share: 0.0264; Required: 9; Open postings: 14; First seen: 2026-06-24 - **Apache Kafka** — Layer: cloud; Postings: 19; Share: 0.0264; Required: 7; Open postings: 11; First seen: 2025-07-28 - **Configuration Management** — Layer: practices; Postings: 19; Share: 0.0264; Required: 5; Open postings: 11; First seen: 2026-06-09 - **Windsurf** — Layer: tools; Postings: 19; Share: 0.0264; Required: 4; Open postings: 6; First seen: 2026-03-18 - **VPN** — Layer: practices; Postings: 18; Share: 0.025; Required: 4; Open postings: 13; First seen: 2025-12-22 - **Ansible** — Layer: tools; Postings: 18; Share: 0.025; Required: 2; Open postings: 11; First seen: 2026-06-09 - **MPLS** — Layer: practices; Postings: 16; Share: 0.0222; Required: 8; Open postings: 9; First seen: 2026-01-12 - **Google BigQuery** — Layer: data; Postings: 16; Share: 0.0222; Required: 5; Open postings: 12; First seen: 2026-02-03 - **Nginx** — Layer: tools; Postings: 16; Share: 0.0222; Required: 2; Open postings: 10; First seen: 2026-06-30 - **SLI/SLO/SLA** — Layer: practices; Postings: 15; Share: 0.0208; Required: 11; Open postings: 9; First seen: 2026-06-24 - **Agentic Workflows** — Layer: practices; Postings: 14; Share: 0.0194; Required: 11; Open postings: 11; First seen: 2026-01-28 - **Kibana** — Layer: cloud; Postings: 13; Share: 0.018; Required: 4; Open postings: 10; First seen: 2026-06-24 - **Apache HTTP Server** — Layer: tools; Postings: 13; Share: 0.018; Required: 2; Open postings: 8; First seen: 2026-06-30 - … 209 more in the JSON form ## Changes ### First appeared - **ETAP** — First seen: 2026-11-02 - **Replicate** — First seen: 2026-10-26 - **Smart Contracts** — First seen: 2026-10-22 - **Claude** — First seen: 2026-09-28 - **SOAP** — First seen: 2026-09-28 - **TeamCity** — First seen: 2026-09-25 - **Reranking** — First seen: 2026-09-16 - **PagerDuty** — First seen: 2026-09-14 ### Falling - **TypeScript** — Share from: 17; Share to: 10 - **GCP** — Share from: 13; Share to: 6 - **Kubernetes** — Share from: 13; Share to: 8 - **TCP/IP** — Share from: 9; Share to: 4 - **ClickHouse** — Share from: 8; Share to: 4 - **Machine Learning** — Share from: 6; Share to: 2 - **React.js** — Share from: 4; Share to: 0 - **GitLab** — Share from: 4; Share to: 0 ## Similar stacks - [Zscaler](https://alion.io/company/zscaler/technologies) — Shared technologies: 178 - [Workday](https://alion.io/company/workday/technologies) — Shared technologies: 185 - [F5](https://alion.io/company/ffive/technologies) — Shared technologies: 174 - [CrowdStrike](https://alion.io/company/crowdstrike/technologies) — Shared technologies: 192 - [Comcast](https://alion.io/company/comcast-corporation/technologies) — Shared technologies: 163 - [Rakuten](https://alion.io/company/rakuten-5/technologies) — Shared technologies: 163 - [Verizon](https://alion.io/company/verizon-about/technologies) — Shared technologies: 165 - [Zoom Communications](https://alion.io/company/zoom/technologies) — Shared technologies: 138 --- [Page](https://alion.io/company/cloudflare/technologies) · [JSON](https://alion.io/company/cloudflare/technologies.json) Source: Alion (alion.io), 2026-11-12. 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