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Ingénieur GenAI & MLOps (Python, React, LangChain, GCP, RAG)

In short

This is a freelance/contract GenAI & MLOps engineering mission in Paris (hybrid, 2 days remote per week) to run, secure and evolve a generative AI platform already in production, including GDPR compliance and CI/CD testing strategy work before handover to the internal IT department. Posted via a recruiting agency (Anderson RH), it requires 8-10 years of experience, strong React and Python API skills, mastery of LangChain/LangGraph/LangFuse, knowledge of Mistral and Vertex AI models with RAG architectures and vectorized PostgreSQL, GCP experience (Cloud Run, GCS, observability), fluent French and professional English. The mission runs for 36 months starting ASAP.

Context
We are looking for an experienced AI Engineer to ensure the operational running, security, and evolution of a generative AI platform in production. Your role will be to guarantee service performance, strengthen the testing and integration (CI/CD) strategy, and lead the regulatory (GDPR) and security compliance work needed before the transition to the IT department (DSI).
Missions
•Ensure service continuity, stability and performance of the platform in production (incident management, backlog, support).
•Drive minor evolutions and write the associated technical documentation (specifications, diagrams).
•Bring the platform into compliance with regulatory requirements (GDPR) and the group's security standards.
•Strengthen the testing and integration strategy within the CI/CD chain (automation, test data set creation).
•Contribute to optimizing the performance of the RAG and the existing architecture.
Tools & Environment
•AI, AIOps
•LangChain, LangGraph, LangFuse
•React development, Python APIs
•Mistral & Vertex AI models, RAG architectures, vectorized PostgreSQL
•GCP Cloud (Cloud Run, GCS, observability, MLOps/DevOps)
Working Conditions
•Mission location: Paris
•Start: ASAP
•Duration: 36 months
•Remote work: 2 days per week
•Professional English required
•Required seniority: minimum 8 to 10 years of experience
Profile Sought
•8 to 10 years minimum experience
•Skills in React and Python APIs (Confirmed - Mandatory)
•Mastery of GenAI frameworks: LangChain, LangGraph, LangFuse (Confirmed - Mandatory)
•Knowledge of Mistral & Vertex AI models, RAG architectures, vectorized PostgreSQL (Confirmed - Mandatory)
•Experience with GCP Cloud (Cloud Run, GCS, observability, MLOps/DevOps)
•Fluent French (Mandatory)

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