Full-Stack Developer Intern (AI GenAI Systems) (mfd)

At Fresenius Medical Care we are a global leader in kidney care and are committed to improving the lives of patients with chronic kidney disease. Our mission is to provide high-quality innovative products services and therapies across the entire healthcare value chain. Guided by our visionShaping a future worth living. For patients. Worldwide. Every act with purpose and compassion supported by a global team of over 125000 employees.

Our values define how we work:

• We care for our patients for one another and for our communities
• We collaborate across teams and national borders to achieve excellence together
• We are committed to doing things rightgrowing with purpose and advancing kidney care with integrity and innovation

We are looking for a Full-Stack Developer Intern to join our team and help build AI-powered end-to-end applications with a strong focus on LLM workflows agentic systems and RAG pipelines. The ideal candidate has hands-on GenAI experience is comfortable working across the stack and is excited to contribute directly to real production code from day one.

Your Responsibilities:

• Endtoend RAG development design and implement retrievalaugmented generation pipelines.
• LLM workflow engineering build prompt strategies tool use retrieval logic and orchestration flows.
• Agentic architectures develop multistep agents using LangChain and LangGraph.
• Data ingestion pipelines parse and process PDFs as well as structured and unstructured data.
• Backend & infrastructure build FastAPI services manage PostgreSQL/Alembic integrate vector search and use Docker/AWS.
• Frontend & system design contribute to SvelteKit/React features and collaborate on scalable AI system architecture.

Your Profile:

• Student in computer science machine learning artificial intelligence or a comparable study program
• Understanding of RAG architectures and LLM workflows
• Prior work with Langchain LangGraph-based workflows
• Experience with vector databases: Pinecone Weaviate or FAISS
• Knowledge of Docker and containerisation
• Experience with FastAPI
• Experience with SvelteKit/React/Angular/Vue or a comparable frontend framework
• Familiarity with AWS services

Start date: 01.07.2026

Duration: 12 months

Hours: 37.5 hours/week

Location: Bad Homburg

Mandatory or voluntary internship available

Please upload your resume proof of enrollment and if applicable a cover letter.

If you indicate that you have a severe disability please submit appropriate documentation with your application.