Staff ML Engineer - Medical Retrieval & Knowledge Platform

Doctolib is seeking a Staff Machine Learning Engineer - Retrieval to build our Medical Knowledge Platform and ground AI decisions in validated medical sources. You will design end-to-end retrieval pipelines, vector search, and re-ranking, operating at scale with 100M+ documents and sub-300ms latency.

The role spans many languages and healthcare standards across Europe. The ideal candidate has senior/Staff level experience, hands-on expertise in Elasticsearch/Solr/Vertex AI, and a passion for