Senior Software Engineer - Nantes (x/f/m)

Your Impact Doctolib is growing, and we are hiring FullStack Software Engineers in Nantes , across various teams and seniority levels. Whether you are early in your career or a seasoned developer, there is a place for you within our Engineering teams! Your mission will be to help Doctolib reinforce its position as a leading healthcare technology platform by building high-quality products that improve the daily lives of healthcare professionals and patients. You will work in feature teams developing solutions that directly impact millions of people across Europe. What you'll build Collaborate with product managers, designers, and engineers to define and implement features that deliver value to healthcare professionals and patients Design, develop, and maintain fullstack solutions across frontend (React, TypeScript) and backend (JVM ecosystem) with a focus on performance, security, and usability Proactively monitor the health of systems by contributing to SLIs/SLOs, alerts, and operational excellence Contribute to code quality through reviews, testing, and continuous improvement of our development practices Share your expertise and collaborate across teams to evolve Doctolib's architecture and technical standards Life at Doctolib Tech 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. Our stack is composed of Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native. We leverage AI ethically across our products to empower patients and health professionals. Discover our AI vision here . Want to learn more about our tech culture and environment? Visit the Doctolib Tech site . What you'll bring 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'll be a great fit if you: Have fullstack software engineering experience with React, TypeScript on the frontend and the JVM ecosystem (Java, Kotlin, Spring Boot) on the backend — Ruby experience is a bonus Have a "user first" mindset and are committed to building secure, well-tested, and pragmatic code, with a strong focus on accessibility and performance Bring a rigorous testing culture and are comfortable suggesting tradeoffs to balance business needs with technical constraints Have a strong culture of system reliability, with experience contributing to monitoring and operational health of production systems Are proactive, curious, and eager to share knowledge through pair programming and collaboration Bonus: experience in healthcare technology or regulated industries where data privacy and security are paramount, and/or hands-on experience working with AI tools. What we offer Free comprehensive health insurance 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) 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 subscription Parent Care Program: receive one additional month of leave on top of the legal parental leave For caregivers and workers with disabilities: adaptation of the remote policy, extra days off for medical reasons, and psychological support Relocation support in case of international mobility Access to the best AI tools for coding, development and dedicated training Our standard interview process Recruiter Interview Coding Interview System Design Interview Behavioral Interview At least one reference check Offer! We want your experience to be clear, respectful, and transparent. Learn more about our hiring process on our candidate experience page . Job detail ... (truncated, view full listing at source)