Senior Staff Machine Learning Engineer - Clinical - AI Teams (x/f/m)
Doctolib B.V. · 🌍 Paris, Paris, France
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About the role
What you’ll do We are looking for a Senior Staff Machine Learning Engineer to join the Clinical team in the AI and Machine Learning Department. You'll lead the technical direction of AI systems that enhance clinical decision-making and patient care. You'll tackle the hardest problems in healthcare AI, from building voice-powered consultation assistants to establishing LLM evaluation frameworks that ensure clinical safety and efficacy. This role combines deep R&D with strategic technical leadership , shaping how Doctolib deploys AI in regulated healthcare environments. Your responsibilities include but are not limited to: Technical Strategy & Architecture • Own the long-term technical roadmap for clinical ML systems, from model architecture selection to production deployment patterns • Drive strategic build vs. buy decisions, balancing custom development with foundation model APIs • Define standards for safe rollout in healthcare contexts: shadow testing, staged deployment, and human-in-the-loop workflows End-to-End ML Delivery • Lead design and implementation of LLM-powered clinical agents (consultation summarization, clinical coding, evidence-grounded recommendations) • Establish rigorous evaluation frameworks using real-world clinical datasets, ensuring outputs meet clinical accuracy and safety standards • Build production infrastructure: model and prompt versioning, guardrails, uncertainty quantification, cost optimization, and observability • Define a bold strategy for online and offline performance objectives to reach new levels of healthcare professionals satisfaction Leadership & Impact • Mentor Staff or Senior ML Engineers and Applied Scientists, elevating technical standards across the organization • Lead cross-functional initiatives spanning Product, Medical Affairs, Legal, and Compliance teams • Translate clinical needs into research questions and production systems that measurably improve patient outcomes • Partner with our medical, legal, and compliance teams to meet EU regulatory expectations (e.g., GDPR, MDR, upcoming EU AI Act) and market standards. Who you are Before you read on, if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply. • You have 10+ years in ML/AI with 3+ years at Staff+ or Principal level leading complex, multi-team technical initiatives • You have a PhD in Computer Science, AI, Statistics, or related field (or equivalent research experience) • You have deep expertise in at least two of: clinical NLP, LLM fine-tuning and evaluation, automatic speech recognition, RAG systems, or reinforcement learning • You are expert in Python, PyTorch/Transformers for training, vLLM/similar for inference with a track record deploying ML systems in production (AWS/GCP) • You have exceptional communication skills and are able to align diverse stakeholders and explain complex technical decisions Now it would be fantastic if you have: • Publications in top-tier ML/AI conferences (NeurIPS, ICLR, ACL) or medical informatics venues • Experience with EU healthcare regulations (GDPR, MDR, AI Act) • Prior work with clinical data or healthcare applications What we offer • Free comprehensive health insurance (basic package) for you and your children • 25 days of paid vacation per year, plus up to 14 days of RTT • Free mental health and coaching services through our partner Moka.care • Work from abroad for up to 10 days per year thanks to our flexibility days policy • Lunch vouchers (Swile card) worth €8.50 per working day, with €4.50 covered by Doctolib • A subsidy from the work council to refund part of the membership to a sport club or a creative class • 50% reimbursement of your public transport subs