Senior AI Engineer (x/f/m) - Phone Assistant

About this role

<h2 class="s-whitespace-pre-wrap s-break-words s-font-normal first:s-pt-0 last:s-pb-0 s-py-1 @md:s-py-2 @md:s-leading-7 s-text-base s-leading-7 s-text-foreground dark:s-text-foreground-night"><strong class="s-font-semibold s-text-foreground dark:s-text-foreground-night">What we do<br></strong></h2> <div class="s-whitespace-pre-wrap s-break-words s-font-normal first:s-pt-0 last:s-pb-0 s-py-1 @md:s-py-2 @md:s-leading-7 s-text-base s-leading-7 s-text-foreground dark:s-text-foreground-night">Join a team of passionate and hardworking entrepreneurs to transform healthcare!<br><br></div> <div class="s-whitespace-pre-wrap s-break-words s-font-normal first:s-pt-0 last:s-pb-0 s-py-1 @md:s-py-2 @md:s-leading-7 s-text-base s-leading-7 s-text-foreground dark:s-text-foreground-night">Working in the tech team at Doctolib involves building innovative products and features to improve the daily lives of care teams and patients. We work in feature teams in an agile environment, while collaborating with product, design, and business teams.<br><br></div> <h2 class="s-whitespace-pre-wrap s-break-words s-font-normal first:s-pt-0 last:s-pb-0 s-py-1 @md:s-py-2 @md:s-leading-7 s-text-base s-leading-7 s-text-foreground dark:s-text-foreground-night"><strong class="s-font-semibold s-text-foreground dark:s-text-foreground-night">What you'll do</strong></h2> <div class="s-whitespace-pre-wrap s-break-words s-font-normal first:s-pt-0 last:s-pb-0 s-py-1 @md:s-py-2 @md:s-leading-7 s-text-base s-leading-7 s-text-foreground dark:s-text-foreground-night">We are looking for a <strong class="s-font-semibold s-text-foreground dark:s-text-foreground-night">Senior AI Engineer (Python)</strong> to join the <strong class="s-font-semibold s-text-foreground dark:s-text-foreground-night">Conversational AI (CAI)</strong> team in the <strong class="s-font-semibold s-text-foreground dark:s-text-foreground-night">Practice Efficiency</strong> domain.<br><br></div> <div class="s-whitespace-pre-wrap s-break-words s-font-normal first:s-pt-0 last:s-pb-0 s-py-1 @md:s-py-2 @md:s-leading-7 s-text-base s-leading-7 s-text-foreground dark:s-text-foreground-night">As a Senior AI Engineer, your mission will be to build and scale a new product in the Doctolib suite: our Phone Assistant, with the vision to revolutionize access to care for patients and day-to-day practice management for practitioners. This opportunity will allow you to leverage the latest technologies in AI, NLP, and speech recognition to build delightful user experiences and scale your product to millions of users.<br><br></div> <div class="s-whitespace-pre-wrap s-break-words s-font-normal first:s-pt-0 last:s-pb-0 s-py-1 @md:s-py-2 @md:s-leading-7 s-text-base s-leading-7 s-text-foreground dark:s-text-foreground-night"><strong class="s-font-semibold s-text-foreground dark:s-text-foreground-night">Your responsibilities include but are not limited to:</strong></div> <div class="s-whitespace-pre-wrap s-break-words s-font-normal first:s-pt-0 last:s-pb-0 s-py-1 @md:s-py-2 @md:s-leading-7 s-text-base s-leading-7 s-text-foreground dark:s-text-foreground-night">&nbsp;</div> <ul class="s-list-disc s-pb-2 s-pl-6 s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7"> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">Design, ship, and operate production-grade agentic LLM systems that improve patient-practitioner interaction and streamline healthcare workflows</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">Validate hypothesis with offline evaluation datasets and A/B tests on real traffic</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">Partner with other machine learning teams to design and improve evaluation pipelines, security/safety guardrails, and metrics</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">Develop and maintain core agentic capabilities, including memory, reasoning orchestration, and tool adapters, ensuring strong observability, fallback mechanisms, and fail-safe behaviors</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">Own performance, observability, and security: monitoring dashboards, SLO/SLI, security posture</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">Ensure privacy and security by design</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">Contribute to cross-functional initiatives that shape Doctolib's future AI platform and best practices in building agentic systems that will reinvent the work of health professionals and improve people's health</li> </ul> <h2 class="s-whitespace-pre-wrap s-break-words s-font-normal first:s-pt-0 last:s-pb-0 s-py-1 @md:s-py-2 @md:s-leading-7 s-text-base s-leading-7 s-text-foreground dark:s-text-foreground-night"><strong class="s-font-semibold s-text-foreground dark:s-text-foreground-night">About our tech environment</strong></h2> <ul class="s-list-disc s-pb-2 s-pl-6 s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7"> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">Our solutions are built on a single, fully cloud-native platform that supports web and mobile app interfaces, multiple languages, and is adapted to the country and healthcare specialty requirements. To address these challenges, we are modularizing our platform run in a distributed architecture through reusable components.</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">Our stack is composed of Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native.</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">We leverage AI ethically