Senior AI Developer Dunkirk,France (Hybrid) | Industrial / Manufacturing SectorWe are supporting a major industrial player in deploying a multilingual AI Service Desk agent (7 languages).As a Senior AI Developer, you will take AI prototypes into production and build the core components of a scalable AI system.RoleDevelop the AI conversation engine (LLM integration, structured outputs, fallback logic)Build the voice pipeline (STT/TTS, real-time translation)Implement RAG systems (embeddings, semantic search, knowledge indexing)Create automated QA frameworks for testing and evaluationContribute to scaling and new use casesProfileStrong experience in Python and Node.js / TypeScriptProven experience with LLMs in production (prompting, tool use, orchestration)Hands-on with RAG / vector databases / semantic searchExperience with speech technologies (Deepgram, Azure Speech, ElevenLabs)Familiar with testing frameworks (Pytest, Jest) Fluent French + English (B2+)