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Senior Machine Learning Engineer - Applied AI & LLMs (x/f/m)

Doctolib

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Skills

Required

  • AI
  • ML
  • hybrid search
  • embedding systems
  • vector databases
  • multi-stage re-ranking architectures
  • LLM and
  • VLM models
  • knowledge distillation
  • Mixture-of-Experts (MoE) architectures
  • prompt engineering

Join Doctolib, a leading healthcare technology company, as a Senior Machine Learning Engineer. In this role, you will design and implement AI and ML solutions to improve patient access to quality care and health management. You will work in a feature team developing intelligent patient-facing solutions and play a key technical role in scaling AI capabilities across Europe.

Responsibilities

  • Design and implement ML and AI solutions aligned with patient product goals, covering search, retrieval, and personalized care pathways.
  • Build and maintain large-scale retrieval pipelines, including hybrid search, embedding systems, vector databases, and multi-stage re-ranking architectures.
  • Develop, fine-tune, and evaluate LLM and VLM models using techniques such as knowledge distillation, Mixture-of-Experts (MoE) architectures, and prompt engineering.