Senior LLM Engineer — AI agents in production, legal-tech (Paris)

An AI agent already in production with notaries, thousands of users a month, and one big project: making it proactive. We are looking for someone who has already built and run complex agentic graphs at scale, not someone doing it for the first time.

Stack technique : LLM Agents / Tool Calling · Python · LangGraph / Orchestration · LLM Evals / LangFuse · LLM Observability · RAG.
Localisations : Paris. Mode hybride / remote possible selon profil.

About Abbeal: tri-geo engineering studio (Paris · Montréal · Tokyo) founded in 2015. 100+ clients served, 50+ international talents via the Mobbeal mobility programme. Three pillars: Adaptive Follow-the-Sun (24/7 delivery across 3 time zones), AI-first, GreenOps & Performance. Four areas of expertise: Web & Mobile, Data & AI, Cloud & Reliability, Embedded & Robotics. We don't bill time, we ship scope. Working mode: short sprints, product ownership, AI-assisted code reviews (Codex), pair programming on sensitive topics, systematic ownership transfer at the end of each engagement. Recruitment process: sourcing by engineers (not by HR), short but rigorous technical validation, closing within 48 hours, 6-month guarantee. Mobbeal mobility programme for those who want to relocate to Tokyo, Montréal or Paris: we handle visa, housing, family and schools. Apply: recrutement@abbeal.com.