Senior AI Engineer, Health Search & Recommendations

Doctolib (Italy); Paris; On-site; EUR 120,000 - 170,000; Full time

Benefits offered by this job

Health insurance

25 days vacation

RTT days

Lunch vouchers

Job summary

Doctolib is hiring a Senior AI Engineer to join the Patient team in Paris. You will design and ship the production search and recommendation engines behind our health companion, enabling hundreds of millions of patients across Europe to find the care they need quickly and reliably.

You will collaborate with ML Engineers, PMs and SWEs, iterating on embeddings, vector search and RAG-based approaches while ensuring latency, reliability and observability across the stack.

Qualifications

• Ship algorithms to production on ECS-based services in AWS.
• Proven experience shipping search or recommendation systems to production.
• Experience with embeddings, vector search, semantic retrieval, and RAG.
• Familiarity with offline/online evaluation and A/B testing.

Responsibilities

• Design and build production search & recommendation architecture for the Patient team.
• Establish strong baselines and model selection strategies.
• Implement evaluation and observability across stages (offline/online).
• Set up data/event feedback loops to drive ML iteration.
• Improve search relevance and ranking for patient-facing products.
• Own production quality: latency, reliability, monitoring.

Skills

Production deployment

Vector search

ML pipelines

Observability

Tools

AWS ECS

Vertex AI

RAG/LLM-based rerankers

Job description

Doctolib is hiring a Senior AI Engineer to join the Patient team in Paris. You will design and ship the production search and recommendation engines behind our health companion, enabling hundreds of millions of patients across Europe to find the care they need quickly and reliably.

You will collaborate with ML Engineers, PMs and SWEs, iterating on embeddings, vector search and RAG-based approaches while ensuring latency, reliability and observability across the stack.