# CertifyOS - **Answer**: CertifyOS builds mostly with TypeScript, SQL, Java, JavaScript. Its stack also includes GCP, Kubernetes, Google BigQuery, Google Cloud Spanner. GCP is named in 7 of the 18 job postings CertifyOS published in the last 12 months (39%). Counted by Alion from the job postings of CertifyOS, updated Nov 11, 2026. - **Window days**: 365 - **Postings analysed**: 18 - **Open postings**: 13 - **Technologies in use**: 84 - **Modernity score**: 88 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 7773 - **Name**: CertifyOS - **Domain**: certifyos.com - **Url**: ## Technologies - **Claude Code** — Layer: tools; Postings: 11; Share: 0.6111; Required: 11; Open postings: 8; First seen: 2026-07-30 - **Cursor** — Layer: tools; Postings: 9; Share: 0.5; Required: 9; Open postings: 6; First seen: 2026-07-30 - **Docker** — Layer: tools; Postings: 8; Share: 0.4444; Required: 2; Open postings: 4; First seen: 2026-06-17 - **AI Agents** — Layer: practices; Postings: 7; Share: 0.3889; Required: 7; Open postings: 6; First seen: 2026-08-31 - **CI/CD** — Layer: practices; Postings: 7; Share: 0.3889; Required: 4; Open postings: 4; First seen: 2026-06-17 - **GCP** — Layer: cloud; Postings: 7; Share: 0.3889; Required: 3; Open postings: 3; First seen: 2026-06-17 - **Kubernetes** — Layer: cloud; Postings: 7; Share: 0.3889; Required: 1; Open postings: 3; First seen: 2026-06-17 - **TypeScript** — Layer: languages; Postings: 6; Share: 0.3333; Required: 3; Open postings: 3; First seen: 2026-06-17 - **Apache Kafka** — Layer: cloud; Postings: 6; Share: 0.3333; Required: 2; Open postings: 2; First seen: 2026-07-30 - **Model Context Protocol** — Layer: tools; Postings: 5; Share: 0.2778; Required: 5; Open postings: 3; First seen: 2026-07-30 - **Rest API** — Layer: tools; Postings: 5; Share: 0.2778; Required: 4; Open postings: 2; First seen: 2026-07-30 - **SQL** — Layer: languages; Postings: 5; Share: 0.2778; Required: 4; Open postings: 4; First seen: 2026-04-27 - **Java** — Layer: languages; Postings: 5; Share: 0.2778; Required: 3; Open postings: 1; First seen: 2026-06-17 - **Google BigQuery** — Layer: data; Postings: 5; Share: 0.2778; Required: 2; Open postings: 2; First seen: 2026-06-17 - **JavaScript** — Layer: languages; Postings: 5; Share: 0.2778; Required: 2; Open postings: 3; First seen: 2026-06-17 - **OpenAI Codex** — Layer: tools; Postings: 5; Share: 0.2778; Required: 2; Open postings: 2; First seen: 2026-07-30 - **GitHub Actions** — Layer: cloud; Postings: 5; Share: 0.2778; Required: 1; Open postings: 2; First seen: 2026-06-17 - **Sentry** — Layer: cloud; Postings: 5; Share: 0.2778; Required: 0; Open postings: 2; First seen: 2026-06-17 - **Python** — Layer: languages; Postings: 4; Share: 0.2222; Required: 4; Open postings: 4; First seen: 2026-06-17 - **AWS** — Layer: cloud; Postings: 4; Share: 0.2222; Required: 2; Open postings: 3; First seen: 2026-08-31 - **Agentic Workflows** — Layer: practices; Postings: 3; Share: 0.1667; Required: 3; Open postings: 2; First seen: 2026-08-31 - **LLM** — Layer: ai; Postings: 3; Share: 0.1667; Required: 2; Open postings: 2; First seen: 2026-07-30 - **Google Cloud Spanner** — Layer: data; Postings: 3; Share: 0.1667; Required: 1; Open postings: 0; First seen: 2026-07-30 - **Master Data Management** — Layer: practices; Postings: 3; Share: 0.1667; Required: 1; Open postings: 2; First seen: 2026-07-30 - **Quarkus** — Layer: frameworks; Postings: 3; Share: 0.1667; Required: 0; Open postings: 0; First seen: 2026-07-30 - **DynamoDB** — Layer: data; Postings: 2; Share: 0.1111; Required: 2; Open postings: 1; First seen: 2026-08-31 - **Embeddings** — Layer: practices; Postings: 2; Share: 0.1111; Required: 2; Open postings: 1; First seen: 2026-08-31 - **PostgreSQL** — Layer: data; Postings: 2; Share: 0.1111; Required: 2; Open postings: 1; First seen: 2026-08-31 - **RAG** — Layer: practices; Postings: 2; Share: 0.1111; Required: 2; Open postings: 1; First seen: 2026-08-31 - **React.js** — Layer: frameworks; Postings: 2; Share: 0.1111; Required: 2; Open postings: 0; First seen: 2026-07-30 - **Datadog** — Layer: cloud; Postings: 2; Share: 0.1111; Required: 1; Open postings: 2; First seen: 2026-06-17 - **Grafana** — Layer: cloud; Postings: 2; Share: 0.1111; Required: 1; Open postings: 2; First seen: 2026-06-17 - **Prometheus** — Layer: tools; Postings: 2; Share: 0.1111; Required: 1; Open postings: 2; First seen: 2026-06-17 - **Amazon Aurora** — Layer: data; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-11-05 - **Amazon Kinesis** — Layer: cloud; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-11-05 - **Amazon Redshift** — Layer: data; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-11-05 - **Anthropic** — Layer: cloud; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-09-09 - **Azure** — Layer: cloud; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-09-09 - **Bash** — Layer: languages; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-06-17 - **Cassandra** — Layer: data; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-11-05 - **Claude** — Layer: ai; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-09-09 - **ClickHouse** — Layer: data; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-11-05 - **Copilot** — Layer: tools; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-11-05 - **Cypress** — Layer: frameworks; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-11-05 - **Firestore** — Layer: data; Postings: 1; Share: 0.0556; Required: 1; Open postings: 0; First seen: 2026-08-31 - **Function Calling** — Layer: practices; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-09-09 - **Gatling** — Layer: tools; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-11-05 - **Gemini** — Layer: ai; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-09-09 - **Git** — Layer: tools; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-06-17 - **Go** — Layer: languages; Postings: 1; Share: 0.0556; Required: 1; Open postings: 1; First seen: 2026-06-17 - … 34 more in the JSON form ## Changes ### First appeared - **AI Agents** — First seen: 2026-08-31 - **AWS** — First seen: 2026-08-31 - **Agentic Workflows** — First seen: 2026-08-31 - **DynamoDB** — First seen: 2026-08-31 - **Embeddings** — First seen: 2026-08-31 - **PostgreSQL** — First seen: 2026-08-31 - **RAG** — First seen: 2026-08-31 - **Master Data Management** — First seen: 2026-07-30 ## Similar stacks - [Just Eat Takeaway.com](https://alion.io/company/just-eat-takeaway-com/technologies) — Shared technologies: 69 - [Delta Air Lines](https://alion.io/company/delta-air-lines/technologies) — Shared technologies: 70 - [Globe Telecom](https://alion.io/company/globe-telecom/technologies) — Shared technologies: 69 - [Extreme Networks](https://alion.io/company/extreme-networks/technologies) — Shared technologies: 68 - [Tekion](https://alion.io/company/tekion/technologies) — Shared technologies: 72 - [Blend360](https://alion.io/company/blend360/technologies) — Shared technologies: 69 - [Proofpoint](https://alion.io/company/proofpoint/technologies) — Shared technologies: 71 - [Zeta Global](https://alion.io/company/zeta-global/technologies) — Shared technologies: 68 --- [Page](https://alion.io/company/certifyos/technologies) · [JSON](https://alion.io/company/certifyos/technologies.json) Source: Alion (alion.io), 2026-11-11. 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