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Senior AI Engineer

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Doctolib

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Location:
France , Nantes

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

We are looking for a Senior AI Engineer to join the Customer Care Contact team in the Business Performance domain. Your mission will be to build AI-powered tools that revolutionize how healthcare professionals deliver care. You will work on Doctolib Assistant, our AI personal assistant designed to assist doctors and medical staff in their daily work—from answering complex medical questions to automating administrative tasks with accuracy, reliability, and safety.

Job Responsibility:

  • Design, ship, and operate production-grade agentic systems powering Doctolib Assistant
  • Build and improve AI agents and our orchestration systems
  • Partner with data scientists to design and implement evaluation pipelines, security/safety guardrails, and metrics—while taking ownership of operational AI projects
  • Develop and maintain core agentic capabilities including memory, reasoning orchestration, tool adapters, and multi-agent coordination, ensuring strong observability, fallback mechanisms, and fail-safe behaviors
  • Own performance, observability and security: monitoring dashboards, SLO/SLI, and security posture
  • Ensure privacy and security by design, with a particular focus on medical data sensitivity
  • Contribute to fullstack development when needed to deliver end-to-end features for healthcare professionals

Requirements:

  • 4+ years of experience as a software engineer, with hands-on experience in AI/ML systems
  • 2+ years of experience working with Python
  • Have gone through the full lifecycle of an AI product, from initial evaluation and launch to iterations based on results in production
  • Understand and promote best practices related to the software development life cycle such as automated testing, good use of CI/CD, and DevOps practices
  • Are comfortable with fullstack development and not afraid to dive into React/TypeScript/Kotlin to ship end-to-end features
  • Are product-oriented and comfortable guiding your teammates to suggest tradeoffs to balance business needs with technical constraints
  • Are comfortable speaking and writing in English in your day-to-day work with the team

Nice to have:

  • Have experience building multi-agent systems or agent development frameworks
  • Have worked on AI products for enterprise/professional users
  • Have experience in the medical domain or healthcare tech
What we offer:
  • Free comprehensive health insurance for you and your children
  • Parent Care Program: receive additional leave on top of the legal parental leave
  • Free mental health and coaching services through our partner Moka.care
  • For caregivers and workers with disabilities, a package including an adaptation of the remote policy, extra days off for medical reasons, and psychological support
  • Work from abroad for up to 10 days per year, thanks to our flexibility days policy
  • Up to 14 days of RTT
  • A subsidy from the work council to refund part of the membership to a sport club or a creative class
  • Lunch vouchers (Swile card) worth €8.50 per working day, with €4.50 covered by Doctolib
  • 50% reimbursement of your public transport subscription
  • Relocation support in case of international mobility
  • Access to the best AI tools for coding, development and dedicated training

Additional Information:

Job Posted:
March 19, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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