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

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<h2 class="pb-2 pt-4 heading-xl text-foreground">Set a new pulse for healthcare!</h2> <div class="whitespace-pre-wrap break-words font-normal first:pt-0 last:pb-0 py-1 @md:pt-2 @md:pb-[10px] @md:leading-relaxed text-base leading-relaxed text-foreground">We are looking for a <strong class="font-semibold text-foreground">Senior Machine Learning Engineer</strong> to join the <strong class="font-semibold text-foreground">Orchestration</strong> team in <strong class="font-semibold text-foreground">AI Health Assistant</strong>.</div> <div class="whitespace-pre-wrap break-words font-normal first:pt-0 last:pb-0 py-1 @md:pt-2 @md:pb-[10px] @md:leading-relaxed text-base leading-relaxed text-foreground">Your mission will be to ensure our AI Health Companion behaves safely, reliably, and helpfully — for millions of patients and practitioners. You will work in a cross-functional team building robust evaluation pipelines for agentic AI systems, contributing directly to improving the quality and safety of AI-powered healthcare.</div> <div class="whitespace-pre-wrap break-words font-normal first:pt-0 last:pb-0 py-1 @md:pt-2 @md:pb-[10px] @md:leading-relaxed text-base leading-relaxed text-foreground">Working in the tech team at Doctolib means building innovative products and features to improve the daily lives of care teams and patients.</div> <h2 class="pb-2 pt-4 heading-xl text-foreground">What you'll do</h2> <div class="whitespace-pre-wrap break-words font-normal first:pt-0 last:pb-0 py-1 @md:pt-2 @md:pb-[10px] @md:leading-relaxed text-base leading-relaxed text-foreground">Your responsibilities include but are not limited to:</div> <ul class="list-disc pb-2 pl-6 flex flex-col gap-1 text-foreground text-base leading-relaxed"> <li class="break-words text-foreground text-base leading-relaxed">Define and own the evaluation strategy for our AI agentic system — metrics, protocols, datasets, and tooling</li> <li class="break-words text-foreground text-base leading-relaxed">Implement and maintain automated evaluation pipelines to monitor model quality, safety, and alignment across iterations</li> <li class="break-words text-foreground text-base leading-relaxed">Run systematic experiments to assess reasoning, factuality, robustness, and user experience</li> <li class="break-words text-foreground text-base leading-relaxed">Collaborate closely with model developers and research scientists to provide insights and drive iterative improvement</li> <li class="break-words text-foreground text-base leading-relaxed">Contribute to research and internal knowledge sharing on LLM evaluation methodologies and best practices</li> </ul> <h2 class="pb-2 pt-4 heading-xl text-foreground">Life at Doctolib Tech</h2> <ul class="list-disc pb-2 pl-6 flex flex-col gap-1 text-foreground text-base leading-relaxed"> <li class="break-words text-foreground text-base leading-relaxed">Our solutions are built on a single fully cloud-native platform that supports web and mobile app interfaces, multiple languages, and is adapted to country and healthcare specialty requirements.</li> <li class="break-words text-foreground text-base leading-relaxed">Our stack is composed of Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native.</li> <li class="break-words text-foreground text-base leading-relaxed">We leverage AI ethically across our products to empower patients and health professionals. Discover our AI vision <a class="break-all font-semibold transition-all duration-200 ease-in-out hover:underline text-highlight hover:text-highlight-400 active:text-highlight-dark" href="https://careers.doctolib.com/ai-careers/" target="_blank">here</a>.</li> </ul> <div class="whitespace-pre-wrap break-words font-normal first:pt-0 last:pb-0 py-1 @md:pt-2 @md:pb-[10px] @md:leading-relaxed text-base leading-relaxed text-foreground"><em>Want to learn more about our tech culture and environment? Visit the <a class="break-all font-semibold transition-all duration-200 ease-in-out hover:underline text-highlight hover:text-highlight-400 active:text-highlight-dark" href="https://careers.doctolib.com/tech-doctolib/" target="_blank">Doctolib Tech site</a>.</em></div> <h2 class="pb-2 pt-4 heading-xl text-foreground">Who you are</h2> <div class="whitespace-pre-wrap break-words font-normal first:pt-0 last:pb-0 py-1 @md:pt-2 @md:pb-[10px] @md:leading-relaxed text-base leading-relaxed text-foreground">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.</div> <div class="whitespace-pre-wrap break-words font-normal first:pt-0 last:pb-0 py-1 @md:pt-2 @md:pb-[10px] @md:leading-relaxed text-base leading-relaxed text-foreground"><strong class="font-semibold text-foreground">You'll be a great fit if you:</strong></div> <ul class="list-disc pb-2 pl-6 flex flex-col gap-1 text-foreground text-base leading-relaxed"> <li class="break-words text-foreground text-base leading-relaxed">Hold an MSc or PhD in Computer Science, Machine Learning, Data Science, or a related field</li> <li class="break-words text-foreground text-base leading-relaxed">Have 7+ years of hands-on experience working with large language models (e.g., GPT, Claude, Llama, or BERT-like…