# Heidi - **Answer**: Heidi builds mostly with Python, SQL, TypeScript, JavaScript. Its stack also includes AWS, Databricks, React.js, Redis. Python is named in 13 of the 52 job postings Heidi published in the last 12 months (25%). Counted by Alion from the job postings of Heidi, updated Nov 12, 2026. - **Window days**: 365 - **Postings analysed**: 52 - **Open postings**: 6 - **Technologies in use**: 93 - **Modernity score**: 85 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 11695 - **Name**: Heidi - **Domain**: heidihealth.com - **Url**: ## Technologies - **Python** — Layer: languages; Postings: 13; Share: 0.25; Required: 12; Open postings: 0; First seen: 2026-08-04 - **LLM** — Layer: ai; Postings: 9; Share: 0.1731; Required: 8; Open postings: 0; First seen: 2026-08-04 - **SQL** — Layer: languages; Postings: 9; Share: 0.1731; Required: 7; Open postings: 1; First seen: 2026-06-12 - **Cursor** — Layer: tools; Postings: 8; Share: 0.1538; Required: 6; Open postings: 0; First seen: 2026-06-12 - **Claude Code** — Layer: tools; Postings: 7; Share: 0.1346; Required: 6; Open postings: 0; First seen: 2026-08-04 - **CI/CD** — Layer: practices; Postings: 6; Share: 0.1154; Required: 6; Open postings: 0; First seen: 2026-08-12 - **TypeScript** — Layer: languages; Postings: 6; Share: 0.1154; Required: 6; Open postings: 0; First seen: 2026-08-12 - **Embeddings** — Layer: practices; Postings: 6; Share: 0.1154; Required: 5; Open postings: 0; First seen: 2026-08-04 - **Fine-tuning** — Layer: practices; Postings: 6; Share: 0.1154; Required: 5; Open postings: 0; First seen: 2026-08-04 - **AWS** — Layer: cloud; Postings: 5; Share: 0.0962; Required: 5; Open postings: 0; First seen: 2026-08-04 - **Canva** — Layer: tools; Postings: 5; Share: 0.0962; Required: 5; Open postings: 0; First seen: 2026-08-31 - **Databricks** — Layer: cloud; Postings: 5; Share: 0.0962; Required: 4; Open postings: 0; First seen: 2026-07-22 - **AI Agents** — Layer: practices; Postings: 4; Share: 0.0769; Required: 4; Open postings: 3; First seen: 2026-09-18 - **Claude** — Layer: ai; Postings: 4; Share: 0.0769; Required: 4; Open postings: 0; First seen: 2026-08-21 - **Datadog** — Layer: cloud; Postings: 4; Share: 0.0769; Required: 4; Open postings: 0; First seen: 2026-08-04 - **Figma** — Layer: cloud; Postings: 4; Share: 0.0769; Required: 4; Open postings: 0; First seen: 2026-08-31 - **Rest API** — Layer: tools; Postings: 4; Share: 0.0769; Required: 4; Open postings: 0; First seen: 2026-09-10 - **dbt** — Layer: tools; Postings: 4; Share: 0.0769; Required: 4; Open postings: 1; First seen: 2026-07-22 - **JavaScript** — Layer: languages; Postings: 4; Share: 0.0769; Required: 1; Open postings: 0; First seen: 2026-08-12 - **A/B Testing** — Layer: practices; Postings: 3; Share: 0.0577; Required: 3; Open postings: 0; First seen: 2026-06-12 - **FHIR** — Layer: tools; Postings: 3; Share: 0.0577; Required: 3; Open postings: 0; First seen: 2026-09-23 - **HL7** — Layer: tools; Postings: 3; Share: 0.0577; Required: 3; Open postings: 0; First seen: 2026-09-23 - **Kubernetes** — Layer: cloud; Postings: 3; Share: 0.0577; Required: 3; Open postings: 0; First seen: 2026-08-04 - **React.js** — Layer: frameworks; Postings: 3; Share: 0.0577; Required: 3; Open postings: 0; First seen: 2026-08-12 - **Terraform** — Layer: tools; Postings: 3; Share: 0.0577; Required: 2; Open postings: 0; First seen: 2026-08-04 - **.NET** — Layer: cloud; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-09-03 - **Agentic Workflows** — Layer: practices; Postings: 2; Share: 0.0385; Required: 2; Open postings: 1; First seen: 2026-09-18 - **Design Controls** — Layer: practices; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-08-12 - **FinOps** — Layer: practices; Postings: 2; Share: 0.0385; Required: 2; Open postings: 2; First seen: 2026-09-23 - **GCP** — Layer: cloud; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-08-19 - **Gemini** — Layer: ai; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-08-21 - **Go** — Layer: languages; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-08-19 - **Human-in-the-Loop** — Layer: practices; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-08-19 - **IEC 62304** — Layer: practices; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-08-12 - **ISO 13485** — Layer: practices; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-08-12 - **ISO 14971** — Layer: practices; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-08-12 - **Machine Learning** — Layer: practices; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-08-21 - **Microsoft Excel** — Layer: tools; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-09-09 - **OpenAI** — Layer: cloud; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-08-21 - **Prometheus** — Layer: tools; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-08-04 - **Redis** — Layer: data; Postings: 2; Share: 0.0385; Required: 2; Open postings: 0; First seen: 2026-09-23 - **FastAPI** — Layer: frameworks; Postings: 2; Share: 0.0385; Required: 1; Open postings: 0; First seen: 2026-09-29 - **C#** — Layer: languages; Postings: 2; Share: 0.0385; Required: 0; Open postings: 0; First seen: 2026-09-03 - **Adobe After Effects** — Layer: tools; Postings: 1; Share: 0.0192; Required: 1; Open postings: 0; First seen: 2026-09-14 - **Azure** — Layer: cloud; Postings: 1; Share: 0.0192; Required: 1; Open postings: 0; First seen: 2026-10-14 - **Braze** — Layer: cloud; Postings: 1; Share: 0.0192; Required: 1; Open postings: 1; First seen: 2026-09-23 - **C++** — Layer: languages; Postings: 1; Share: 0.0192; Required: 1; Open postings: 0; First seen: 2026-09-14 - **Copilot** — Layer: tools; Postings: 1; Share: 0.0192; Required: 1; Open postings: 0; First seen: 2026-09-29 - **Cypress** — Layer: frameworks; Postings: 1; Share: 0.0192; Required: 1; Open postings: 0; First seen: 2026-10-23 - **Django** — Layer: frameworks; Postings: 1; Share: 0.0192; Required: 1; Open postings: 0; First seen: 2026-09-29 - … 43 more in the JSON form ## Changes ### First appeared - **FastAPI** — First seen: 2026-09-29 - **Redis** — First seen: 2026-09-23 - **FHIR** — First seen: 2026-09-23 - **HL7** — First seen: 2026-09-23 - **FinOps** — First seen: 2026-09-23 - **AI Agents** — First seen: 2026-09-18 - **Agentic Workflows** — First seen: 2026-09-18 ## Similar stacks - [Perplexity AI](https://alion.io/company/perplexity/technologies) — Shared technologies: 68 - [Cohere](https://alion.io/company/cohere/technologies) — Shared technologies: 65 - [Doctolib](https://alion.io/company/doctolib/technologies) — Shared technologies: 66 - [Netflix](https://alion.io/company/netflix/technologies) — Shared technologies: 71 - [Zoom Communications](https://alion.io/company/zoom/technologies) — Shared technologies: 68 - [42dot](https://alion.io/company/42dot/technologies) — Shared technologies: 72 - [Innovaccer](https://alion.io/company/innovaccer/technologies) — Shared technologies: 65 - [Sarvam AI](https://alion.io/company/sarvam-ai/technologies) — Shared technologies: 67 --- [Page](https://alion.io/company/heidi/technologies) · [JSON](https://alion.io/company/heidi/technologies.json) Source: Alion (alion.io), 2026-11-12. 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