Software Engineer Fullstack - React / Java (x/f/m)

Your Impact We are looking for a Fullstack Software Engineer to join the PAX (Patient App Experience) team , working at the heart of Doctolib’s patient experience. The team builds and evolves key patient-facing features , including appointment search, practitioner profile pages, and notifications. With more than 410K practitioner profiles in France, 90M patient visits, over 17M appointments booked every month, and more than 6M notifications sent every day, you will work on products with massive user impact and demanding performance challenges. You will contribute to modernizing legacy code dating back to Doctolib’s early days, while addressing critical SEO challenges that help attract more patients. You will also use generative AI tools, such as Claude Code, to boost your productivity and build high-quality products, following industry best practices and writing clean, maintainable, and scalable code. What you'll build Your responsibilities include but are not limited to: Collaborate with product managers, designers, and engineers to build features that deliver value to healthcare professionals and patients Design and implement technical solutions ensuring performance, security, and usability across our fullstack applications (React, TypeScript, JVM ecosystem) 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 meet the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply! You have fullstack software engineering experience with React and the JVM ecosystem (Java, Kotlin, Spring Boot) - Ruby experience is a bonus You have a "user first" mindset and are committed to building secure, well-tested, and pragmatic code You bring a strong testing culture and are passionate about code quality You are proactive, curious, and eager to share knowledge through pair programming and collaboration What we offer Free health insurance for you and your children Parent Care Program: receive one additional month of leave on top of the legal parental leave Free mental health and coaching services through our partner Moka.care For caregivers and workers with disabilities, a package including an adaptation of the remote policy, extra days off for medical reasons, and psychological support Work from abroad for up to 10 days per year thanks to our flexibility days policy Work Council subsidy to refund part of sport club membership or creative class Up to 14 days of RTT A subsidy to refund part of the membership to a sport club or a creative class Lunch voucher with Swile card Reimbursement of public transportation Relocation support for international mobilities Access to the best AI tools for coding, development and dedicated training Standard interview process Recruiter Interview Coding Interview System Design Interview Behavioral Interview 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 details Permanent position Full Time Based in Levallois-Perret Hybrid position Start date: As soon as possible At Doctolib, we are committed to improving access to healthcare for everyone. This translates into our recruitment process. We evaluate candidates based sol…