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

<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 across our products to empower patients and health professionals. Discover our AI vision&nbsp;<span style="text-decoration: underline;"><a class="s-break-all s-font-semibold s-transition-all s-duration-200 s-ease-in-out hover:s-underline s-text-highlight dark:s-text-highlight-night hover:s-text-highlight-400 dark:hover:s-text-highlight-400-night active:s-text-highlight-dark dark:active:s-text-highlight-dark-night" href="https://careers.doctolib.com/ai-careers/" target="_blank">here</a></span>!</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">We also invest in open, applied AI research. For example, our <strong>DoctoBERT</strong> project introduces open-source medical language models trained for French clinical text, with applications in named entity recognition, classification, and retrieval.<a href="https://huggingface.co/blog/hugging-science/doctobert-cookbook#introduction" target="_blank"> Read the DoctoBERT practical guide</a> to learn more about how we bring deep AI research into practical healthcare applications.</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">Who you are<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">Are you convinced that you have exactly what it takes for the position? Then we encourage you to apply. Even if you don't meet every requirement, you might be exactly the right future Doctoliber for this or other positions!<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">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.<br></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">You have 6+ years of experience as a software engineer, with significant experience using Python</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">You have a track record of experience with the full lifecycle of an AI product at scale, from initial evaluation and launch to iterations based on results in production</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">You understand and promote best practices related to the software development life cycle, such as automated testing, good use of CI/CD, and DevOps practices (you build it - you run it)</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">You are product-oriented and comfortable guiding your teammates to suggest tradeoffs to balance business needs with technical constraints</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">You are very focused on code quality and have a rigorous testing culture</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">You are eager to share your knowledge and help the team grow by pair programming and mentoring</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">You are comfortable speaking &amp; writing in English in your day-to-day with the team</li> </ul> <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">Now, it would be fantastic if you:</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">Have experience with agentic systems in production</li> <li class="s-break-words s-text-foreground dark:s-text-foreground-night s-text-base s-leading-7">Have experience in the medical domain</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">What we offer</strong></h2> <ul> <li data-renderer-start-pos="1533" data-local-id="1e504ec6-974d-4053-84c4-bdfdc4dd4bdb">A Deutschlandticket (Germany-wide public transport pass) fully paid for by Doctolib</li> <li data-renderer-start-pos="1620" data-local-id="288a36cd-780f-4a81-a9bc-cfbefd39ad38">28 vacation days + 1 additional day for each full calendar year of employment (up to a maximum of 30 days)</li> <li data-renderer-start-pos="1730" data-local-id="910cd702-4d7d-4173-9339-6c25777e57fd">Work from abroad for up to 10 days per year thanks to our flexibility days policy</li> <li data-renderer-start-pos="1815" data-