Senior AI Engineer — Search & Recommendation

Doctolib (France); France; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Free comprehensive health insurance

25 days paid vacation

Mental health and coaching services

Flexibility days: work from abroad

Lunch vouchers

Transport subsidy

DoctoGrowth program

ParentCare program

Job summary

Doctolib is hiring a Senior AI Engineer for the Patient team in Paris. You will design and own the production search and recommendation architecture to help patients navigate to the right care, using vector search, RAG, and LLM-based rerankers.

Collaborate with ML engineers and product teams to ship impactful AI features with strong observability. You will ship end-to-end retrieval systems on a cloud-native platform, ensuring low latency and robust data quality.

Qualifications

• Proven experience shipping AI/ML models to production
• Strong background in building search or recommendation systems
• Experience with production-grade data pipelines and monitoring

Responsibilities

• Design and build production search and recommendation architecture with vector search and LLM-based components
• Establish baselines with prompts, RAG, and model selection
• Implement evaluation, observability, and feedback loops for offline/online validation
• Collaborate with ML engineers, PMs and SWE to ship AI-powered features

Skills

Production deployment

AI engineering

Search systems

MLOps

Performance monitoring

Tools

Vector search

RAG

LLMs

Embeddings

Job description

Doctolib is hiring a Senior AI Engineer for the Patient team in Paris. You will design and own the production search and recommendation architecture to help patients navigate to the right care, using vector search, RAG, and LLM-based rerankers.

Collaborate with ML engineers and product teams to ship impactful AI features with strong observability. You will ship end-to-end retrieval systems on a cloud-native platform, ensuring low latency and robust data quality.