CareerPlan

AI Engineer

Paris, FRFull-time2026-09-25 → 2026-10-08
Hybrid

Core

Building and scaling LLM and agentic features for a B2B sales intelligence platform, focusing on orchestration, tool execution, and production reliability.

Role type

Senior IC Machine Learning Engineer (LLMs & Agents)

Builds

Production-ready conversational and autonomous agents, LLM features, and ML infrastructure

Domain

B2B Sales / AI for Sales / Large Language Models

Deliverable

production ML models

Required skills

Python, LLMs, Agentic Systems, Prompt Design, NLP, ML Engineering, System Architecture, Observability

Preferred skills

Low-level languages (Java/C), MCP, DeepEval, FastAPI, Uvicorn

Technologies

LangChain, LangGraph, ASR, Embeddings

Responsibilities

Design and optimize the agentic stack for reliability and low latency; Architect and maintain end-to-end LLM features including routing and monitoring; Develop and improve ML infrastructure for scaling and deployment; Build robust evaluation datasets and pipelines for deterministic and non-deterministic systems; Collaborate with software engineers to build scalable ML infrastructure; Work with product managers to refine specs and deliver ML features; Contribute to technical strategy and roadmap; Stay updated on LLM research and open-source frameworks.