# Vapi - **Answer**: Vapi builds mostly with TypeScript, JavaScript, Go, Python. Its stack also includes Kubernetes, AWS, PostgreSQL, Redis. LLM is named in 15 of the 40 job postings Vapi published in the last 12 months (38%). Counted by Alion from the job postings of Vapi, updated Nov 11, 2026. - **Window days**: 365 - **Postings analysed**: 40 - **Open postings**: 5 - **Technologies in use**: 93 - **Modernity score**: 72 - **Ai adoption**: yes - **Own products**: Vapi - **License**: CC BY-SA 4.0 ## Company - **Id**: 977 - **Name**: Vapi - **Domain**: vapi.ai - **Url**: ## Technologies - **Voice Agents** — Layer: practices; Postings: 37; Share: 0.925; Required: 37; Open postings: 5; First seen: 2025-11-18 - **LLM** — Layer: ai; Postings: 15; Share: 0.375; Required: 11; Open postings: 3; First seen: 2026-04-24 - **TypeScript** — Layer: languages; Postings: 11; Share: 0.275; Required: 10; Open postings: 0; First seen: 2026-05-21 - **Kubernetes** — Layer: cloud; Postings: 10; Share: 0.25; Required: 6; Open postings: 0; First seen: 2026-05-21 - **JavaScript** — Layer: languages; Postings: 9; Share: 0.225; Required: 5; Open postings: 2; First seen: 2026-04-24 - **AWS** — Layer: cloud; Postings: 8; Share: 0.2; Required: 4; Open postings: 0; First seen: 2026-05-21 - **Text-to-Speech** — Layer: practices; Postings: 7; Share: 0.175; Required: 6; Open postings: 1; First seen: 2026-04-24 - **Go** — Layer: languages; Postings: 7; Share: 0.175; Required: 5; Open postings: 0; First seen: 2026-05-21 - **PostgreSQL** — Layer: data; Postings: 7; Share: 0.175; Required: 5; Open postings: 0; First seen: 2026-05-21 - **Python** — Layer: languages; Postings: 6; Share: 0.15; Required: 6; Open postings: 2; First seen: 2026-04-24 - **AI Agents** — Layer: practices; Postings: 6; Share: 0.15; Required: 5; Open postings: 1; First seen: 2026-05-21 - **Twilio** — Layer: cloud; Postings: 6; Share: 0.15; Required: 5; Open postings: 0; First seen: 2026-04-24 - **CI/CD** — Layer: practices; Postings: 6; Share: 0.15; Required: 4; Open postings: 0; First seen: 2026-06-03 - **Amazon EKS** — Layer: cloud; Postings: 5; Share: 0.125; Required: 1; Open postings: 0; First seen: 2026-05-21 - **Claude Code** — Layer: tools; Postings: 4; Share: 0.1; Required: 4; Open postings: 0; First seen: 2026-05-21 - **Cursor** — Layer: tools; Postings: 4; Share: 0.1; Required: 4; Open postings: 0; First seen: 2026-05-21 - **Apache Kafka** — Layer: cloud; Postings: 4; Share: 0.1; Required: 3; Open postings: 0; First seen: 2026-05-21 - **Node JS** — Layer: languages; Postings: 4; Share: 0.1; Required: 2; Open postings: 0; First seen: 2026-05-21 - **Vercel** — Layer: cloud; Postings: 4; Share: 0.1; Required: 2; Open postings: 0; First seen: 2026-05-21 - **ArgoCD** — Layer: tools; Postings: 3; Share: 0.075; Required: 3; Open postings: 0; First seen: 2026-06-03 - **GitOps** — Layer: practices; Postings: 3; Share: 0.075; Required: 3; Open postings: 0; First seen: 2026-05-21 - **Pulumi** — Layer: tools; Postings: 3; Share: 0.075; Required: 3; Open postings: 0; First seen: 2026-05-21 - **Redis** — Layer: data; Postings: 3; Share: 0.075; Required: 3; Open postings: 0; First seen: 2026-05-21 - **Rest API** — Layer: tools; Postings: 3; Share: 0.075; Required: 3; Open postings: 2; First seen: 2026-04-24 - **Terraform** — Layer: tools; Postings: 3; Share: 0.075; Required: 3; Open postings: 0; First seen: 2026-06-03 - **SQL** — Layer: languages; Postings: 3; Share: 0.075; Required: 2; Open postings: 0; First seen: 2026-05-21 - **LiveKit** — Layer: cloud; Postings: 3; Share: 0.075; Required: 1; Open postings: 0; First seen: 2026-05-21 - **ClickHouse** — Layer: data; Postings: 2; Share: 0.05; Required: 2; Open postings: 0; First seen: 2026-05-21 - **Datadog** — Layer: cloud; Postings: 2; Share: 0.05; Required: 2; Open postings: 0; First seen: 2026-05-21 - **Envoy** — Layer: tools; Postings: 2; Share: 0.05; Required: 2; Open postings: 0; First seen: 2026-05-21 - **GitHub Actions** — Layer: cloud; Postings: 2; Share: 0.05; Required: 2; Open postings: 0; First seen: 2026-06-03 - **LLM Guardrails** — Layer: practices; Postings: 2; Share: 0.05; Required: 2; Open postings: 0; First seen: 2026-05-21 - **Model Context Protocol** — Layer: tools; Postings: 2; Share: 0.05; Required: 2; Open postings: 0; First seen: 2026-05-21 - **OpenAI Codex** — Layer: tools; Postings: 2; Share: 0.05; Required: 2; Open postings: 0; First seen: 2026-05-21 - **Progressive Delivery** — Layer: practices; Postings: 2; Share: 0.05; Required: 2; Open postings: 0; First seen: 2026-06-03 - **React.js** — Layer: frameworks; Postings: 2; Share: 0.05; Required: 2; Open postings: 0; First seen: 2026-05-21 - **SLI/SLO/SLA** — Layer: practices; Postings: 2; Share: 0.05; Required: 2; Open postings: 0; First seen: 2026-04-24 - **Structured Outputs** — Layer: practices; Postings: 2; Share: 0.05; Required: 2; Open postings: 0; First seen: 2026-04-24 - **Tailwind CSS** — Layer: frameworks; Postings: 2; Share: 0.05; Required: 2; Open postings: 0; First seen: 2026-05-21 - **BullMQ** — Layer: frameworks; Postings: 2; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-05-21 - **Cloudflare** — Layer: cloud; Postings: 2; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-05-21 - **OpenTelemetry** — Layer: frameworks; Postings: 2; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-06-03 - **WebRTC** — Layer: tools; Postings: 2; Share: 0.05; Required: 1; Open postings: 0; First seen: 2026-04-24 - **Jenkins** — Layer: tools; Postings: 2; Share: 0.05; Required: 0; Open postings: 0; First seen: 2026-06-03 - **Amazon Aurora** — Layer: data; Postings: 1; Share: 0.025; Required: 1; Open postings: 0; First seen: 2026-09-12 - **Anthropic** — Layer: cloud; Postings: 1; Share: 0.025; Required: 1; Open postings: 0; First seen: 2026-08-19 - **Atlantis** — Layer: tools; Postings: 1; Share: 0.025; Required: 1; Open postings: 0; First seen: 2026-08-27 - **Azure** — Layer: cloud; Postings: 1; Share: 0.025; Required: 1; Open postings: 0; First seen: 2026-05-21 - **Chrome DevTools** — Layer: tools; Postings: 1; Share: 0.025; Required: 1; Open postings: 0; First seen: 2026-09-22 - **Cilium** — Layer: tools; Postings: 1; Share: 0.025; Required: 1; Open postings: 0; First seen: 2026-05-21 - … 43 more in the JSON form ## Changes ### First appeared - **CI/CD** — First seen: 2026-06-03 - **ArgoCD** — First seen: 2026-06-03 - **Terraform** — First seen: 2026-06-03 - **GitHub Actions** — First seen: 2026-06-03 - **Progressive Delivery** — First seen: 2026-06-03 - **Jenkins** — First seen: 2026-06-03 - **OpenTelemetry** — First seen: 2026-06-03 - **Pulumi** — First seen: 2026-05-21 ### Rising - **Python** — Share from: 9; Share to: 20 ### Falling - **AWS** — Share from: 36; Share to: 0 - **Kubernetes** — Share from: 36; Share to: 13 - **Twilio** — Share from: 23; Share to: 0 - **Amazon EKS** — Share from: 23; Share to: 0 - **Go** — Share from: 27; Share to: 7 - **PostgreSQL** — Share from: 27; Share to: 7 - **Node JS** — Share from: 18; Share to: 0 - **Vercel** — Share from: 18; Share to: 0 ## Similar stacks - [Harvey](https://alion.io/company/harvey/technologies) — Shared technologies: 64 - [ZoomInfo](https://alion.io/company/zoominfo/technologies) — Shared technologies: 65 - [ClickHouse](https://alion.io/company/clickhouse/technologies) — Shared technologies: 65 - [Appnovation](https://alion.io/company/appnovation/technologies) — Shared technologies: 63 - [MLabs](https://alion.io/company/mlabs/technologies) — Shared technologies: 63 - [Robinhood](https://alion.io/company/robinhood/technologies) — Shared technologies: 61 - [Zendesk](https://alion.io/company/zendesk/technologies) — Shared technologies: 62 - [Digicert](https://alion.io/company/digicert/technologies) — Shared technologies: 61 --- [Page](https://alion.io/company/vapi/technologies) · [JSON](https://alion.io/company/vapi/technologies.json) Source: Alion (alion.io), 2026-11-12. 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