CareerPlan

Machine Learning Engineer

Paris, FRFull-time2026-10-09 → 2026-10-16

Core

Building reliable, scalable LLM and agent systems to empower sales teams with autonomous agents that manage meetings, objections, and opportunities.

Role type

Senior Machine Learning Engineer (LLM & Agents)

Builds

Production-ready conversational and autonomous agents, LLM orchestration features, and evaluation pipelines.

Domain

AI/ML applied to sales (B2B SaaS)

Deliverable

production ML models

Required skills

Python, LLMs (prompt design, evaluation, cost/performance trade-offs), Agent systems (tool execution, workflows, memory, LangChain/LangGraph), NLP (transcription, embeddings), ML fundamentals, FastAPI, Uvicorn, DeepEval, MCP

Preferred skills

Low-level languages (Java/C), ASR systems, open-source research in LLMs/agents

Technologies

Python, LangChain, LangGraph, FastAPI, Uvicorn, DeepEval, MCP, ASR

Responsibilities

Design and optimize the agent stack for reliability and low latency; architect end-to-end LLM features (orchestration, routing, monitoring); build ML infrastructure (observability, scaling, deployment); construct robust evaluation datasets and pipelines; collaborate with software engineers and product managers; contribute to technical strategy and roadmap.

Seniority

Mid-Senior (2-5 years experience)