AI Application Developer | AI Application Developer (m/w/d) – Chatbots, RAG & Systemintegration

Deutsches Krebsforschungszentrum

Heidelberg, Neckar, Baden-Württemberg, Deutschland
Published Apr 21, 2026
Full-time
Permanent

Job Summary

The German Cancer Research Center (DKFZ) is seeking an AI Application Developer to join their Core Facility Information Technology team. In this role, you will be responsible for developing and maintaining AI-driven applications, with a primary focus on chatbot web interfaces, Retrieval-Augmented Generation (RAG) implementation, and seamless system integration. You will design data pipelines to connect internal data sources to LLMs, ensure data security and compliance, and create reference architectures for internal projects. The position requires a combination of software development expertise, data engineering skills, and a strong understanding of AI frameworks. You will collaborate with cross-functional teams to integrate AI solutions into existing business applications. This is a unique opportunity to contribute to world-class cancer research by modernizing IT infrastructure and implementing cutting-edge AI technologies in a mission-driven, supportive, and research-focused environment.

Required Skills

Education

Bachelor's degree in Computer Science or equivalent qualification (e.g., IT Specialist for System Integration)

Experience

  • Professional experience in software development and modern web application design
  • Experience with Python-based frameworks and data pipeline implementation
  • Knowledge of database systems, data warehousing, and ETL processes
  • Practical experience with RAG integration, prompt engineering, and quality metrics
  • Familiarity with cloud, container technologies, and CI/CD workflows

Languages

German (Intermediate)English (Intermediate)

Additional

  • Proof of measles immunity (required by the German Infection Protection Act), willingness to work in a research-oriented IT environment.