Principal Machine Learning Engineer - Applied AI & LLMs (x/f/m)
Doctolib · Berlin, Germany
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Job posting
Relocation support in case of international mobility
On job-boards.greenhouse.io/doctolib, read 26 Oct 2026.
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First seen 24 Oct 2026. We check every day and remove closed roles.
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About the role
What you’ll do We are looking for a Principal Machine Learning Engineer to join the DS & AI organization at Doctolib. This is a transversal force multiplier role operating across all AI teams: Clinical, Productivity, Phone Assistant and ASR. Rather than working within a single feature team, you will own the cross-cutting technical challenges: defining how Doctolib's product and AI teams build agentic solutions, standardizing ML evaluation frameworks, and spreading strong engineering practices across the org.
You will unblock teams, shape architecture decisions, and take on the deep technical work that requires senior ML judgment at scale, directly impacting the daily lives of 400,000 healthcare professionals and the health of 80 million patients. Building at Doctolib means delivering innovative products that measurably improve outcomes for care teams and patients alike.
Technical Strategy & Architecture • Own cross-team ML architecture decisions, from model selection to production deployment patterns and strategic build vs.
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