# Celonis - **Answer**: Celonis builds mostly with Python, SQL, Apex, Java. Its stack also includes AWS, Azure, PyTorch, LangChain. Python is named in 206 of the 465 job postings Celonis published in the last 12 months (44%). Counted by Alion from the job postings of Celonis, updated Nov 12, 2026. - **Window days**: 365 - **Postings analysed**: 465 - **Open postings**: 221 - **Technologies in use**: 151 - **Modernity score**: 86 - **Ai adoption**: yes - **License**: CC BY-SA 4.0 ## Company - **Id**: 133 - **Name**: Celonis - **Domain**: celonis.com - **Url**: ## Technologies - **Digital Twin** — Layer: practices; Postings: 465; Share: 1; Required: 457; Open postings: 221; First seen: 2025-02-21 - **AI Agents** — Layer: practices; Postings: 438; Share: 0.9419; Required: 438; Open postings: 221; First seen: 2025-02-21 - **Python** — Layer: languages; Postings: 206; Share: 0.443; Required: 192; Open postings: 119; First seen: 2025-06-17 - **SQL** — Layer: languages; Postings: 170; Share: 0.3656; Required: 165; Open postings: 103; First seen: 2025-06-17 - **LLM** — Layer: ai; Postings: 90; Share: 0.1935; Required: 61; Open postings: 51; First seen: 2026-02-04 - **Prompt Engineering** — Layer: practices; Postings: 85; Share: 0.1828; Required: 47; Open postings: 50; First seen: 2026-01-12 - **AWS** — Layer: cloud; Postings: 84; Share: 0.1806; Required: 51; Open postings: 48; First seen: 2025-12-05 - **Azure** — Layer: cloud; Postings: 80; Share: 0.172; Required: 52; Open postings: 49; First seen: 2025-11-14 - **RAG** — Layer: practices; Postings: 65; Share: 0.1398; Required: 57; Open postings: 37; First seen: 2026-02-04 - **GCP** — Layer: cloud; Postings: 65; Share: 0.1398; Required: 38; Open postings: 39; First seen: 2025-12-05 - **OpenAI** — Layer: cloud; Postings: 61; Share: 0.1312; Required: 59; Open postings: 32; First seen: 2026-03-16 - **Function Calling** — Layer: practices; Postings: 57; Share: 0.1226; Required: 10; Open postings: 34; First seen: 2026-03-16 - **Context Engineering** — Layer: practices; Postings: 56; Share: 0.1204; Required: 56; Open postings: 29; First seen: 2026-01-12 - **Databricks** — Layer: cloud; Postings: 56; Share: 0.1204; Required: 55; Open postings: 30; First seen: 2026-03-16 - **PyTorch** — Layer: frameworks; Postings: 55; Share: 0.1183; Required: 48; Open postings: 32; First seen: 2026-03-16 - **LangChain** — Layer: frameworks; Postings: 50; Share: 0.1075; Required: 40; Open postings: 25; First seen: 2026-03-16 - **ETL/ELT** — Layer: practices; Postings: 44; Share: 0.0946; Required: 34; Open postings: 22; First seen: 2025-12-05 - **LLM Guardrails** — Layer: practices; Postings: 41; Share: 0.0882; Required: 34; Open postings: 26; First seen: 2026-03-26 - **Multi-Agent Systems** — Layer: practices; Postings: 40; Share: 0.086; Required: 38; Open postings: 22; First seen: 2026-03-16 - **LlamaIndex** — Layer: frameworks; Postings: 39; Share: 0.0839; Required: 0; Open postings: 19; First seen: 2026-03-16 - **Cursor** — Layer: tools; Postings: 38; Share: 0.0817; Required: 34; Open postings: 21; First seen: 2026-01-12 - **Multimodal AI** — Layer: practices; Postings: 36; Share: 0.0774; Required: 34; Open postings: 18; First seen: 2026-03-16 - **Claude Code** — Layer: tools; Postings: 36; Share: 0.0774; Required: 32; Open postings: 20; First seen: 2026-01-12 - **Fine-tuning** — Layer: practices; Postings: 34; Share: 0.0731; Required: 34; Open postings: 18; First seen: 2026-03-16 - **Apex** — Layer: languages; Postings: 33; Share: 0.071; Required: 7; Open postings: 18; First seen: 2025-12-05 - **MuleSoft** — Layer: cloud; Postings: 31; Share: 0.0667; Required: 21; Open postings: 17; First seen: 2025-12-05 - **OpenAI Codex** — Layer: tools; Postings: 30; Share: 0.0645; Required: 26; Open postings: 19; First seen: 2026-01-12 - **Machine Learning** — Layer: practices; Postings: 29; Share: 0.0624; Required: 28; Open postings: 19; First seen: 2026-02-04 - **Java** — Layer: languages; Postings: 25; Share: 0.0538; Required: 25; Open postings: 5; First seen: 2026-04-01 - **AWS Bedrock** — Layer: cloud; Postings: 22; Share: 0.0473; Required: 8; Open postings: 15; First seen: 2026-03-26 - **Informatica** — Layer: tools; Postings: 21; Share: 0.0452; Required: 20; Open postings: 13; First seen: 2025-12-05 - **Talend** — Layer: tools; Postings: 20; Share: 0.043; Required: 20; Open postings: 12; First seen: 2025-12-05 - **JavaScript** — Layer: languages; Postings: 20; Share: 0.043; Required: 12; Open postings: 5; First seen: 2026-04-01 - **Claude** — Layer: ai; Postings: 19; Share: 0.0409; Required: 18; Open postings: 7; First seen: 2026-05-08 - **TypeScript** — Layer: languages; Postings: 19; Share: 0.0409; Required: 17; Open postings: 5; First seen: 2026-04-01 - **Kubernetes** — Layer: cloud; Postings: 19; Share: 0.0409; Required: 14; Open postings: 7; First seen: 2025-11-22 - **Rest API** — Layer: tools; Postings: 17; Share: 0.0366; Required: 14; Open postings: 9; First seen: 2026-04-02 - **Docker** — Layer: tools; Postings: 17; Share: 0.0366; Required: 11; Open postings: 8; First seen: 2026-04-01 - **Copilot** — Layer: tools; Postings: 16; Share: 0.0344; Required: 15; Open postings: 7; First seen: 2026-04-02 - **CI/CD** — Layer: practices; Postings: 16; Share: 0.0344; Required: 10; Open postings: 1; First seen: 2026-04-01 - **Lighthouse** — Layer: tools; Postings: 15; Share: 0.0323; Required: 15; Open postings: 1; First seen: 2026-04-26 - **Angular** — Layer: frameworks; Postings: 15; Share: 0.0323; Required: 12; Open postings: 2; First seen: 2026-04-01 - **Spring Boot** — Layer: frameworks; Postings: 15; Share: 0.0323; Required: 12; Open postings: 3; First seen: 2026-04-28 - **Model Context Protocol** — Layer: tools; Postings: 14; Share: 0.0301; Required: 12; Open postings: 5; First seen: 2026-06-30 - **Apollo** — Layer: cloud; Postings: 13; Share: 0.028; Required: 13; Open postings: 7; First seen: 2026-07-16 - **GitHub** — Layer: cloud; Postings: 13; Share: 0.028; Required: 9; Open postings: 4; First seen: 2025-11-14 - **PostgreSQL** — Layer: data; Postings: 13; Share: 0.028; Required: 8; Open postings: 5; First seen: 2026-04-01 - **Scikit-learn** — Layer: frameworks; Postings: 12; Share: 0.0258; Required: 12; Open postings: 10; First seen: 2026-04-02 - **TensorFlow** — Layer: frameworks; Postings: 12; Share: 0.0258; Required: 12; Open postings: 10; First seen: 2026-04-02 - **Hugging Face** — Layer: cloud; Postings: 11; Share: 0.0237; Required: 11; Open postings: 10; First seen: 2026-07-20 - … 101 more in the JSON form ## Changes ### First appeared - **Microsoft Fabric** — First seen: 2026-10-22 - **Okta** — First seen: 2026-10-22 - **Postman** — First seen: 2026-10-22 - **Flink** — First seen: 2026-09-24 - **Redis** — First seen: 2026-09-24 - **Human-in-the-Loop** — First seen: 2026-09-16 - **Looker** — First seen: 2026-08-31 - **Transformers** — First seen: 2026-08-27 ### Rising - **Scikit-learn** — Share from: 1; Share to: 4 - **TensorFlow** — Share from: 1; Share to: 4 - **Hugging Face** — Share from: 1; Share to: 4 - **XGBoost** — Share from: 1; Share to: 4 - **Snowflake** — Share from: 1; Share to: 3 ### Falling - **AWS** — Share from: 19; Share to: 12 - **Databricks** — Share from: 17; Share to: 10 - **LangChain** — Share from: 15; Share to: 8 - **ETL/ELT** — Share from: 10; Share to: 5 - **Lighthouse** — Share from: 6; Share to: 1 - **Claude** — Share from: 7; Share to: 3 - **GitHub Actions** — Share from: 4; Share to: 0 - **CI/CD** — Share from: 5; Share to: 2 ### Not seen 180d - **ABAP** — Last seen: 2026-03-12 ## Similar stacks - [Deloitte Central Europe](https://alion.io/company/deloittece/technologies) — Shared technologies: 111 - [Marsh McLennan](https://alion.io/company/marshmclennan/technologies) — Shared technologies: 117 - [LexisNexis](https://alion.io/company/lexisnexis-legal/technologies) — Shared technologies: 110 - [Everpure](https://alion.io/company/everpure/technologies) — Shared technologies: 124 - [Humana](https://alion.io/company/humana/technologies) — Shared technologies: 124 - [NetApp](https://alion.io/company/netapp/technologies) — Shared technologies: 109 - [Trend Micro](https://alion.io/company/trend-micro/technologies) — Shared technologies: 119 - [bonnorange](https://alion.io/company/bonnorange/technologies) — Shared technologies: 112 --- [Page](https://alion.io/company/celonis/technologies) · [JSON](https://alion.io/company/celonis/technologies.json) Source: Alion (alion.io), 2026-11-12. 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