AI Engineer: Production-Scale Agentic Systems

Lemrock; Paris; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Lemrock, Paris-based, is building the agentic infrastructure that powers modern commerce inside conversational AI interfaces. You will work on end-to-end agentic pipelines, data ingestion, model orchestration, and deployment that scales to millions of requests daily.

The role emphasizes designing autonomous agents, translating insights into production loops, and developing new recommendation models with a focus on latency and robustness.

Qualifications

• Strong academic background in AI/ML and related fields.
• 2+ years of experience in AI, agentic systems, ML/Deep Learning, statistics or NLP.
• Experience prototyping and deploying AI models into production.
• Experience with production systems (APIs, monitoring, optimization).
• Fluent in English; French is a plus.

Responsibilities

• Analyze large-scale conversational datasets (100M+ events/mo) to uncover patterns and signals.
• Design and deploy end-to-end agentic pipelines and models.
• Build autonomous agents that keep knowledge infrastructure accurate and current.
• Translate insights into production loops, fine-tuning ranking algorithms for latency and robustness.
• Design and train new recommendation models for real-world traffic.

Skills

AI/ML proficiency

NLP/LLMs

Production deployment

English fluent

Education

MVA/ENS/Grandes écoles

Tools

LangChain

OpenAI API

Vector DBs

PostHog

Job description

Lemrock, Paris-based, is building the agentic infrastructure that powers modern commerce inside conversational AI interfaces. You will work on end-to-end agentic pipelines, data ingestion, model orchestration, and deployment that scales to millions of requests daily.

The role emphasizes designing autonomous agents, translating insights into production loops, and developing new recommendation models with a focus on latency and robustness.