Data Engineer:in
Core
Building scalable data integration solutions, hybrid ETL/ELT pipelines, and data platforms for analytics and AI products (including RAG) to enable data-driven decisions for Deutsche Bahn's mobility, infrastructure, and logistics.
Role type
Senior Data Engineer (AI/ML focus)
Builds
Production-ready data pipelines, data platforms, and AI/ML data foundations for the Deutsche Bahn group
Domain
Transportation / Mobility / Data Engineering / AI
Deliverable
production ML models
Required skills
Python, SQL, Data Modeling, ETL/ELT, Distributed Systems, Cloud Platforms, Unstructured Data Processing, RAG, Vector Search, CI/CD, Data Quality
Preferred skills
Multimodal Data Processing, Knowledge Graphs, AI Agent Context Provisioning
Technologies
Python, SQL, Cloud Platforms, Vector Databases, Knowledge Graphs, RAG frameworks
Responsibilities
Design and build scalable data integration solutions connecting heterogeneous sources; Develop hybrid ETL/ELT pipelines combining rule-based and AI-driven processing; Construct data pipelines for Retrieval-Augmented Generation (RAG) including chunking and embedding; Architect cloud-based data platforms and lakehouse approaches; Ensure production readiness through automation, testing, and monitoring; Collaborate with platform and AI teams to integrate new solutions; Consult with internal clients to translate requirements into technical solutions
Seniority
Senior, hands-on IC
