(Senior) Software Engineer – LLM & AI Platform (m/w/d) - Remote (Softwareentwickler/in)

About the role

Remote (Senior) Software Engineer – LLM & AI Platform at KI Group. Builds the shared LLM platform from PoC to production: RAG, agents, LangChain/LlamaIndex, MCP, React/TypeScript front ends. Salary 55-85k EUR. Posting does not state sponsorship or citizenship requirements.

Requirements

• Degree in computer science, data science or related
• Experience with production RAG pipelines (vector DB, retrieval, chunking, evaluation)
• LLM frameworks LangChain/LlamaIndex, tool-use, agents
• Backend Node/Python, async, API design, data modelling
• Frontend React/TypeScript
• Data pipelines, embeddings
• MCP (Model Context Protocol)

What you'll do

• Build LLM platform layer: retrieval backend, embedding pipeline, API design
• Integrate LLM APIs (OpenAI, Anthropic, Mistral) into internal and customer systems
• Develop AI features: conversational analyst, semantic search, alert feed
• Implement agent architectures and MCP interfaces

Where this was posted

• ec.europa.eu

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