# C3 AI - **Answer**: C3 AI builds mostly with Python, JavaScript, SQL, TypeScript. Its stack also includes React.js, AWS, Angular, Azure. Python is named in 35 of the 90 job postings C3 AI published in the last 12 months (39%). Counted by Alion from the job postings of C3 AI, updated Nov 11, 2026. - **Window days**: 365 - **Postings analysed**: 90 - **Open postings**: 58 - **Technologies in use**: 86 - **Modernity score**: 86 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 29 - **Name**: C3 AI - **Domain**: c3.ai - **Url**: ## Technologies - **AI Agents** — Layer: practices; Postings: 90; Share: 1; Required: 90; Open postings: 58; First seen: 2023-05-24 - **Python** — Layer: languages; Postings: 35; Share: 0.3889; Required: 16; Open postings: 28; First seen: 2025-10-03 - **Machine Learning** — Layer: practices; Postings: 29; Share: 0.3222; Required: 26; Open postings: 23; First seen: 2023-05-24 - **JavaScript** — Layer: languages; Postings: 28; Share: 0.3111; Required: 15; Open postings: 21; First seen: 2024-03-05 - **LLM** — Layer: ai; Postings: 16; Share: 0.1778; Required: 13; Open postings: 5; First seen: 2026-03-24 - **Git** — Layer: tools; Postings: 15; Share: 0.1667; Required: 3; Open postings: 10; First seen: 2024-03-05 - **React.js** — Layer: frameworks; Postings: 14; Share: 0.1556; Required: 3; Open postings: 8; First seen: 2024-03-05 - **SQL** — Layer: languages; Postings: 12; Share: 0.1333; Required: 4; Open postings: 10; First seen: 2024-03-05 - **TypeScript** — Layer: languages; Postings: 12; Share: 0.1333; Required: 2; Open postings: 7; First seen: 2024-03-05 - **AWS** — Layer: cloud; Postings: 11; Share: 0.1222; Required: 8; Open postings: 5; First seen: 2025-10-03 - **Angular** — Layer: frameworks; Postings: 11; Share: 0.1222; Required: 1; Open postings: 6; First seen: 2024-03-05 - **Vue.js** — Layer: frameworks; Postings: 11; Share: 0.1222; Required: 1; Open postings: 6; First seen: 2024-03-05 - **Azure** — Layer: cloud; Postings: 10; Share: 0.1111; Required: 7; Open postings: 5; First seen: 2025-10-03 - **Redux** — Layer: frameworks; Postings: 10; Share: 0.1111; Required: 1; Open postings: 6; First seen: 2024-03-05 - **GCP** — Layer: cloud; Postings: 9; Share: 0.1; Required: 8; Open postings: 4; First seen: 2025-10-03 - **CI/CD** — Layer: practices; Postings: 8; Share: 0.0889; Required: 6; Open postings: 7; First seen: 2026-03-24 - **Function Calling** — Layer: practices; Postings: 7; Share: 0.0778; Required: 6; Open postings: 4; First seen: 2026-06-22 - **GitHub** — Layer: cloud; Postings: 6; Share: 0.0667; Required: 1; Open postings: 5; First seen: 2026-06-23 - **Claude** — Layer: ai; Postings: 5; Share: 0.0556; Required: 5; Open postings: 1; First seen: 2026-05-26 - **Model Context Protocol** — Layer: tools; Postings: 5; Share: 0.0556; Required: 4; Open postings: 2; First seen: 2026-06-11 - **RAG** — Layer: practices; Postings: 5; Share: 0.0556; Required: 2; Open postings: 3; First seen: 2025-09-18 - **Kubernetes** — Layer: cloud; Postings: 4; Share: 0.0444; Required: 3; Open postings: 4; First seen: 2025-10-03 - **LangChain** — Layer: frameworks; Postings: 4; Share: 0.0444; Required: 2; Open postings: 3; First seen: 2026-07-06 - **Microsoft Excel** — Layer: tools; Postings: 4; Share: 0.0444; Required: 0; Open postings: 1; First seen: 2026-07-17 - **Scala** — Layer: languages; Postings: 4; Share: 0.0444; Required: 0; Open postings: 3; First seen: 2026-06-23 - **Hallucination** — Layer: practices; Postings: 3; Share: 0.0333; Required: 3; Open postings: 1; First seen: 2026-06-03 - **Java** — Layer: languages; Postings: 3; Share: 0.0333; Required: 3; Open postings: 3; First seen: 2026-01-07 - **Linux** — Layer: cloud; Postings: 3; Share: 0.0333; Required: 3; Open postings: 3; First seen: 2025-10-03 - **Terraform** — Layer: tools; Postings: 3; Share: 0.0333; Required: 3; Open postings: 3; First seen: 2025-10-03 - **Prompt Engineering** — Layer: practices; Postings: 3; Share: 0.0333; Required: 2; Open postings: 3; First seen: 2026-07-08 - **Claude Code** — Layer: tools; Postings: 3; Share: 0.0333; Required: 1; Open postings: 3; First seen: 2026-07-06 - **Cursor** — Layer: tools; Postings: 3; Share: 0.0333; Required: 1; Open postings: 3; First seen: 2026-07-06 - **Bash** — Layer: languages; Postings: 2; Share: 0.0222; Required: 2; Open postings: 2; First seen: 2025-10-03 - **ChatGPT** — Layer: ai; Postings: 2; Share: 0.0222; Required: 2; Open postings: 2; First seen: 2026-07-07 - **GitOps** — Layer: practices; Postings: 2; Share: 0.0222; Required: 2; Open postings: 2; First seen: 2026-03-24 - **LLM Guardrails** — Layer: practices; Postings: 2; Share: 0.0222; Required: 2; Open postings: 2; First seen: 2026-06-11 - **Platform Engineering** — Layer: practices; Postings: 2; Share: 0.0222; Required: 2; Open postings: 2; First seen: 2026-06-11 - **Semantic Kernel** — Layer: tools; Postings: 2; Share: 0.0222; Required: 2; Open postings: 2; First seen: 2026-07-07 - **Snowflake** — Layer: data; Postings: 2; Share: 0.0222; Required: 2; Open postings: 1; First seen: 2026-01-07 - **Spark** — Layer: cloud; Postings: 2; Share: 0.0222; Required: 2; Open postings: 2; First seen: 2026-01-07 - **TPU** — Layer: tools; Postings: 2; Share: 0.0222; Required: 2; Open postings: 2; First seen: 2026-07-07 - **Jenkins** — Layer: tools; Postings: 2; Share: 0.0222; Required: 1; Open postings: 2; First seen: 2026-03-24 - **Rest API** — Layer: tools; Postings: 2; Share: 0.0222; Required: 1; Open postings: 2; First seen: 2026-01-07 - **CMMC** — Layer: practices; Postings: 2; Share: 0.0222; Required: 0; Open postings: 2; First seen: 2026-06-11 - **Copilot** — Layer: tools; Postings: 2; Share: 0.0222; Required: 0; Open postings: 2; First seen: 2026-09-14 - **LlamaIndex** — Layer: frameworks; Postings: 2; Share: 0.0222; Required: 0; Open postings: 1; First seen: 2026-07-06 - **Agentic Workflows** — Layer: practices; Postings: 1; Share: 0.0111; Required: 1; Open postings: 1; First seen: 2026-07-08 - **Amazon S3** — Layer: cloud; Postings: 1; Share: 0.0111; Required: 1; Open postings: 1; First seen: 2026-01-07 - **Ansible** — Layer: tools; Postings: 1; Share: 0.0111; Required: 1; Open postings: 1; First seen: 2025-10-03 - **Anthropic** — Layer: cloud; Postings: 1; Share: 0.0111; Required: 1; Open postings: 0; First seen: 2026-06-22 - … 36 more in the JSON form ## Changes ### First appeared - **Copilot** — First seen: 2026-09-14 - **Microsoft Excel** — First seen: 2026-07-17 - **Prompt Engineering** — First seen: 2026-07-08 - **ChatGPT** — First seen: 2026-07-07 - **Semantic Kernel** — First seen: 2026-07-07 - **TPU** — First seen: 2026-07-07 - **LangChain** — First seen: 2026-07-06 - **LlamaIndex** — First seen: 2026-07-06 ### Rising - **SQL** — Share from: 5; Share to: 26 - **Function Calling** — Share from: 5; Share to: 13 - **Linux** — Share from: 0; Share to: 8 - **Model Context Protocol** — Share from: 5; Share to: 8 ### Falling - **Claude** — Share from: 12; Share to: 0 - **GCP** — Share from: 14; Share to: 5 - **AWS** — Share from: 16; Share to: 8 - **Redux** — Share from: 16; Share to: 8 - **Angular** — Share from: 16; Share to: 10 - **Vue.js** — Share from: 16; Share to: 10 - **Azure** — Share from: 14; Share to: 8 - **LangChain** — Share from: 7; Share to: 3 ## Similar stacks - [Coupa Software](https://alion.io/company/coupa/technologies) — Shared technologies: 72 - [Cornerstone OnDemand](https://alion.io/company/cornerstone-ondemand/technologies) — Shared technologies: 71 - [Tekion](https://alion.io/company/tekion/technologies) — Shared technologies: 75 - [Exadel](https://alion.io/company/exadel-3/technologies) — Shared technologies: 71 - [Optum](https://alion.io/company/optum/technologies) — Shared technologies: 71 - [WEX](https://alion.io/company/wex/technologies) — Shared technologies: 71 - [Grid Dynamics](https://alion.io/company/grid-dynamics-poland/technologies) — Shared technologies: 70 - [BlackRock](https://alion.io/company/blackrock/technologies) — Shared technologies: 72 --- [Page](https://alion.io/company/c3-ai/technologies) · [JSON](https://alion.io/company/c3-ai/technologies.json) Source: Alion (alion.io), 2026-11-11. 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