# Epsilon - **Answer**: Epsilon builds mostly with Python, SQL, JavaScript, TypeScript. Its stack also includes AWS, Databricks, Angular, Delta Lake. Python is named in 21 of the 21 job postings Epsilon published in the last 12 months (100%). Counted by Alion from the job postings of Epsilon, updated Nov 11, 2026. - **Window days**: 365 - **Postings analysed**: 21 - **Open postings**: 13 - **Technologies in use**: 171 - **Modernity score**: 83 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 410 - **Name**: Epsilon - **Domain**: epsilon.com - **Url**: ## Technologies - **Python** — Layer: languages; Postings: 21; Share: 1; Required: 17; Open postings: 13; First seen: 2026-07-15 - **AWS** — Layer: cloud; Postings: 19; Share: 0.9048; Required: 17; Open postings: 12; First seen: 2026-07-15 - **SQL** — Layer: languages; Postings: 16; Share: 0.7619; Required: 13; Open postings: 11; First seen: 2026-07-15 - **Databricks** — Layer: cloud; Postings: 15; Share: 0.7143; Required: 8; Open postings: 9; First seen: 2026-07-15 - **CI/CD** — Layer: practices; Postings: 13; Share: 0.619; Required: 12; Open postings: 7; First seen: 2026-07-15 - **JavaScript** — Layer: languages; Postings: 12; Share: 0.5714; Required: 7; Open postings: 6; First seen: 2026-07-15 - **Spark** — Layer: cloud; Postings: 11; Share: 0.5238; Required: 9; Open postings: 7; First seen: 2026-07-15 - **Docker** — Layer: tools; Postings: 11; Share: 0.5238; Required: 8; Open postings: 8; First seen: 2026-07-15 - **GCP** — Layer: cloud; Postings: 11; Share: 0.5238; Required: 6; Open postings: 9; First seen: 2026-07-15 - **Grafana** — Layer: cloud; Postings: 10; Share: 0.4762; Required: 7; Open postings: 8; First seen: 2026-07-15 - **Azure** — Layer: cloud; Postings: 10; Share: 0.4762; Required: 6; Open postings: 6; First seen: 2026-07-15 - **TypeScript** — Layer: languages; Postings: 10; Share: 0.4762; Required: 5; Open postings: 4; First seen: 2026-07-15 - **Kubernetes** — Layer: cloud; Postings: 9; Share: 0.4286; Required: 6; Open postings: 7; First seen: 2026-07-15 - **Rest API** — Layer: tools; Postings: 8; Share: 0.381; Required: 8; Open postings: 3; First seen: 2026-07-15 - **Angular** — Layer: frameworks; Postings: 8; Share: 0.381; Required: 5; Open postings: 3; First seen: 2026-07-15 - **Terraform** — Layer: tools; Postings: 7; Share: 0.3333; Required: 7; Open postings: 4; First seen: 2026-07-15 - **AI Agents** — Layer: practices; Postings: 7; Share: 0.3333; Required: 5; Open postings: 3; First seen: 2026-07-15 - **Delta Lake** — Layer: data; Postings: 7; Share: 0.3333; Required: 5; Open postings: 6; First seen: 2026-07-15 - **Hadoop** — Layer: frameworks; Postings: 7; Share: 0.3333; Required: 5; Open postings: 4; First seen: 2026-07-17 - **Java** — Layer: languages; Postings: 7; Share: 0.3333; Required: 5; Open postings: 3; First seen: 2026-07-15 - **React.js** — Layer: frameworks; Postings: 7; Share: 0.3333; Required: 5; Open postings: 3; First seen: 2026-07-15 - **PostgreSQL** — Layer: data; Postings: 6; Share: 0.2857; Required: 6; Open postings: 3; First seen: 2026-07-15 - **AWS Bedrock** — Layer: cloud; Postings: 6; Share: 0.2857; Required: 5; Open postings: 3; First seen: 2026-07-15 - **Hibernate** — Layer: frameworks; Postings: 6; Share: 0.2857; Required: 5; Open postings: 2; First seen: 2026-07-15 - **Git** — Layer: tools; Postings: 6; Share: 0.2857; Required: 4; Open postings: 5; First seen: 2026-07-17 - **LLM** — Layer: ai; Postings: 6; Share: 0.2857; Required: 4; Open postings: 4; First seen: 2026-07-15 - **RAG** — Layer: practices; Postings: 6; Share: 0.2857; Required: 3; Open postings: 2; First seen: 2026-07-15 - **Scala** — Layer: languages; Postings: 5; Share: 0.2381; Required: 5; Open postings: 5; First seen: 2026-09-16 - **Bitbucket** — Layer: cloud; Postings: 5; Share: 0.2381; Required: 4; Open postings: 2; First seen: 2026-07-15 - **Model Context Protocol** — Layer: tools; Postings: 5; Share: 0.2381; Required: 4; Open postings: 3; First seen: 2026-07-15 - **Jenkins** — Layer: tools; Postings: 5; Share: 0.2381; Required: 3; Open postings: 3; First seen: 2026-07-15 - **Amazon S3** — Layer: cloud; Postings: 5; Share: 0.2381; Required: 1; Open postings: 1; First seen: 2026-07-15 - **Amazon ECS** — Layer: cloud; Postings: 4; Share: 0.1905; Required: 4; Open postings: 2; First seen: 2026-07-15 - **FastAPI** — Layer: frameworks; Postings: 4; Share: 0.1905; Required: 4; Open postings: 2; First seen: 2026-07-15 - **Kibana** — Layer: cloud; Postings: 4; Share: 0.1905; Required: 4; Open postings: 4; First seen: 2026-09-16 - **Machine Learning** — Layer: practices; Postings: 4; Share: 0.1905; Required: 4; Open postings: 3; First seen: 2026-07-17 - **Redis** — Layer: data; Postings: 4; Share: 0.1905; Required: 4; Open postings: 1; First seen: 2026-07-15 - **pySpark** — Layer: tools; Postings: 4; Share: 0.1905; Required: 4; Open postings: 2; First seen: 2026-07-15 - **Maven** — Layer: tools; Postings: 4; Share: 0.1905; Required: 3; Open postings: 2; First seen: 2026-07-17 - **Power BI** — Layer: cloud; Postings: 4; Share: 0.1905; Required: 3; Open postings: 4; First seen: 2026-10-23 - **Tableau** — Layer: cloud; Postings: 4; Share: 0.1905; Required: 3; Open postings: 4; First seen: 2026-10-23 - **GitHub** — Layer: cloud; Postings: 4; Share: 0.1905; Required: 2; Open postings: 1; First seen: 2026-07-15 - **Unix** — Layer: cloud; Postings: 4; Share: 0.1905; Required: 2; Open postings: 1; First seen: 2026-07-23 - **AWS Bedrock AgentCore** — Layer: cloud; Postings: 4; Share: 0.1905; Required: 1; Open postings: 2; First seen: 2026-07-15 - **Amazon EventBridge** — Layer: cloud; Postings: 4; Share: 0.1905; Required: 1; Open postings: 1; First seen: 2026-07-15 - **LLM Guardrails** — Layer: practices; Postings: 4; Share: 0.1905; Required: 1; Open postings: 2; First seen: 2026-07-15 - **A2A** — Layer: tools; Postings: 4; Share: 0.1905; Required: 0; Open postings: 2; First seen: 2026-07-15 - **Langfuse** — Layer: cloud; Postings: 4; Share: 0.1905; Required: 0; Open postings: 2; First seen: 2026-07-15 - **AWS Fargate** — Layer: cloud; Postings: 3; Share: 0.1429; Required: 3; Open postings: 1; First seen: 2026-07-15 - **AWS Strands Agents** — Layer: frameworks; Postings: 3; Share: 0.1429; Required: 3; Open postings: 1; First seen: 2026-07-15 - … 121 more in the JSON form ## Changes ### First appeared - **ElasticSearch** — First seen: 2026-10-24 - **Logstash** — First seen: 2026-10-24 - **Power BI** — First seen: 2026-10-23 - **Tableau** — First seen: 2026-10-23 ## Similar stacks - [Straive](https://alion.io/company/straive-2/technologies) — Shared technologies: 111 - [ansrsource](https://alion.io/company/ansrsource/technologies) — Shared technologies: 105 - [3Pillar Global](https://alion.io/company/3pillar/technologies) — Shared technologies: 109 - [Tiger Analytics](https://alion.io/company/tigeranalytics/technologies) — Shared technologies: 125 - [LexisNexis](https://alion.io/company/lexisnexis-legal/technologies) — Shared technologies: 117 - [Exadel](https://alion.io/company/exadel-3/technologies) — Shared technologies: 107 - [Verisk](https://alion.io/company/verisk-analytics/technologies) — Shared technologies: 115 - [Altimetrik](https://alion.io/company/altimetrik/technologies) — Shared technologies: 105 --- [Page](https://alion.io/company/epsilon/technologies) · [JSON](https://alion.io/company/epsilon/technologies.json) Source: Alion (alion.io), 2026-11-11. 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