# Circle - **Answer**: Circle builds mostly with SQL, Python, JavaScript, Go. Its stack also includes AWS, GCP, React.js, MySQL. ChatGPT is named in 21 of the 65 job postings Circle published in the last 12 months (32%). Counted by Alion from the job postings of Circle, updated Nov 12, 2026. - **Window days**: 365 - **Postings analysed**: 65 - **Open postings**: 39 - **Technologies in use**: 93 - **Modernity score**: 85 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 12303 - **Name**: Circle - **Domain**: circle.com - **Url**: ## Technologies - **ChatGPT** — Layer: ai; Postings: 21; Share: 0.3231; Required: 19; Open postings: 13; First seen: 2026-09-06 - **SQL** — Layer: languages; Postings: 19; Share: 0.2923; Required: 18; Open postings: 15; First seen: 2026-08-05 - **AI Agents** — Layer: practices; Postings: 15; Share: 0.2308; Required: 15; Open postings: 10; First seen: 2026-02-06 - **Python** — Layer: languages; Postings: 15; Share: 0.2308; Required: 14; Open postings: 11; First seen: 2026-08-05 - **Claude** — Layer: ai; Postings: 15; Share: 0.2308; Required: 12; Open postings: 9; First seen: 2026-03-13 - **CI/CD** — Layer: practices; Postings: 11; Share: 0.1692; Required: 11; Open postings: 7; First seen: 2026-08-05 - **JavaScript** — Layer: languages; Postings: 10; Share: 0.1538; Required: 10; Open postings: 4; First seen: 2026-02-06 - **Go** — Layer: languages; Postings: 10; Share: 0.1538; Required: 9; Open postings: 7; First seen: 2026-08-05 - **AWS** — Layer: cloud; Postings: 8; Share: 0.1231; Required: 8; Open postings: 6; First seen: 2026-08-14 - **GCP** — Layer: cloud; Postings: 8; Share: 0.1231; Required: 8; Open postings: 6; First seen: 2026-08-14 - **Kubernetes** — Layer: cloud; Postings: 8; Share: 0.1231; Required: 7; Open postings: 6; First seen: 2026-08-05 - **TypeScript** — Layer: languages; Postings: 8; Share: 0.1231; Required: 7; Open postings: 5; First seen: 2026-08-12 - **Java** — Layer: languages; Postings: 7; Share: 0.1077; Required: 6; Open postings: 4; First seen: 2026-09-22 - **Cursor** — Layer: tools; Postings: 7; Share: 0.1077; Required: 4; Open postings: 3; First seen: 2026-03-13 - **Agentic Workflows** — Layer: practices; Postings: 6; Share: 0.0923; Required: 6; Open postings: 5; First seen: 2026-08-05 - **Azure** — Layer: cloud; Postings: 5; Share: 0.0769; Required: 5; Open postings: 3; First seen: 2026-08-14 - **LLM** — Layer: ai; Postings: 5; Share: 0.0769; Required: 5; Open postings: 2; First seen: 2026-02-06 - **React.js** — Layer: frameworks; Postings: 5; Share: 0.0769; Required: 5; Open postings: 1; First seen: 2026-02-06 - **Model Context Protocol** — Layer: tools; Postings: 5; Share: 0.0769; Required: 4; Open postings: 3; First seen: 2026-08-05 - **Terraform** — Layer: tools; Postings: 5; Share: 0.0769; Required: 4; Open postings: 3; First seen: 2026-08-05 - **Claude Code** — Layer: tools; Postings: 5; Share: 0.0769; Required: 3; Open postings: 1; First seen: 2026-03-13 - **Blue-Green Deployment** — Layer: practices; Postings: 4; Share: 0.0615; Required: 4; Open postings: 2; First seen: 2026-08-05 - **DNS** — Layer: practices; Postings: 4; Share: 0.0615; Required: 4; Open postings: 2; First seen: 2026-08-05 - **IAM** — Layer: practices; Postings: 4; Share: 0.0615; Required: 4; Open postings: 3; First seen: 2026-08-31 - **MySQL** — Layer: data; Postings: 4; Share: 0.0615; Required: 4; Open postings: 0; First seen: 2026-02-06 - **PostgreSQL** — Layer: data; Postings: 4; Share: 0.0615; Required: 4; Open postings: 0; First seen: 2026-02-06 - **Ruby** — Layer: languages; Postings: 4; Share: 0.0615; Required: 4; Open postings: 0; First seen: 2026-02-06 - **Ruby on Rails** — Layer: frameworks; Postings: 4; Share: 0.0615; Required: 4; Open postings: 0; First seen: 2026-02-06 - **Smart Contracts** — Layer: practices; Postings: 4; Share: 0.0615; Required: 4; Open postings: 4; First seen: 2026-09-18 - **A/B Testing** — Layer: practices; Postings: 4; Share: 0.0615; Required: 3; Open postings: 0; First seen: 2026-02-06 - **Figma** — Layer: cloud; Postings: 4; Share: 0.0615; Required: 2; Open postings: 0; First seen: 2026-03-13 - **Lovable** — Layer: tools; Postings: 4; Share: 0.0615; Required: 2; Open postings: 0; First seen: 2026-03-13 - **DeFi** — Layer: practices; Postings: 3; Share: 0.0462; Required: 3; Open postings: 3; First seen: 2026-09-22 - **SLI/SLO/SLA** — Layer: practices; Postings: 3; Share: 0.0462; Required: 3; Open postings: 0; First seen: 2026-10-12 - **Solana** — Layer: other; Postings: 3; Share: 0.0462; Required: 3; Open postings: 2; First seen: 2026-08-05 - **OpenAI Codex** — Layer: tools; Postings: 3; Share: 0.0462; Required: 2; Open postings: 3; First seen: 2026-09-15 - **Amazon EKS** — Layer: cloud; Postings: 2; Share: 0.0308; Required: 2; Open postings: 2; First seen: 2026-09-22 - **Chainalysis** — Layer: cloud; Postings: 2; Share: 0.0308; Required: 2; Open postings: 2; First seen: 2026-08-25 - **Ethereum** — Layer: other; Postings: 2; Share: 0.0308; Required: 2; Open postings: 1; First seen: 2026-08-05 - **GitOps** — Layer: practices; Postings: 2; Share: 0.0308; Required: 2; Open postings: 1; First seen: 2026-10-05 - **Helm** — Layer: tools; Postings: 2; Share: 0.0308; Required: 2; Open postings: 1; First seen: 2026-08-05 - **LLM Guardrails** — Layer: practices; Postings: 2; Share: 0.0308; Required: 2; Open postings: 1; First seen: 2026-09-15 - **Next.js** — Layer: frameworks; Postings: 2; Share: 0.0308; Required: 2; Open postings: 0; First seen: 2026-08-12 - **Okta** — Layer: cloud; Postings: 2; Share: 0.0308; Required: 2; Open postings: 2; First seen: 2026-10-19 - **Progressive Delivery** — Layer: practices; Postings: 2; Share: 0.0308; Required: 2; Open postings: 1; First seen: 2026-10-05 - **Pulumi** — Layer: tools; Postings: 2; Share: 0.0308; Required: 2; Open postings: 1; First seen: 2026-08-05 - **RAG** — Layer: practices; Postings: 2; Share: 0.0308; Required: 2; Open postings: 0; First seen: 2026-02-06 - **Rust** — Layer: languages; Postings: 2; Share: 0.0308; Required: 2; Open postings: 2; First seen: 2026-08-16 - **Self-Healing** — Layer: practices; Postings: 2; Share: 0.0308; Required: 2; Open postings: 1; First seen: 2026-08-05 - **Superset** — Layer: cloud; Postings: 2; Share: 0.0308; Required: 2; Open postings: 2; First seen: 2026-10-24 - … 43 more in the JSON form ## Changes ### First appeared - **Gemini** — First seen: 2026-10-30 - **Superset** — First seen: 2026-10-24 - **Okta** — First seen: 2026-10-19 - **SLI/SLO/SLA** — First seen: 2026-10-12 - **GitOps** — First seen: 2026-10-05 - **Progressive Delivery** — First seen: 2026-10-05 - **Java** — First seen: 2026-09-22 - **DeFi** — First seen: 2026-09-22 ## Similar stacks - [Wealthsimple](https://alion.io/company/wealthsimple/technologies) — Shared technologies: 59 - [Coinbase](https://alion.io/company/coinbase/technologies) — Shared technologies: 66 - [Ripple](https://alion.io/company/ripple/technologies) — Shared technologies: 59 - [Remitly](https://alion.io/company/remitly/technologies) — Shared technologies: 60 - [Zeta Global](https://alion.io/company/zeta-global/technologies) — Shared technologies: 64 - [Kraken](https://alion.io/company/kraken/technologies) — Shared technologies: 60 - [Bybit](https://alion.io/company/bybit/technologies) — Shared technologies: 67 - [Nubank](https://alion.io/company/nu-bank/technologies) — Shared technologies: 59 --- [Page](https://alion.io/company/circle/technologies) · [JSON](https://alion.io/company/circle/technologies.json) Source: Alion (alion.io), 2026-11-13. 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