Senior Software Engineer FullStack Kotlin / React - Berlin (f/m/d)

Join Doctolib's FIRE team to build and maintain integrations with German governmental health services, focusing on FHIR standards and EHR interoperability. Work fullstack with Kotlin and React/TypeScript in a cloud-native environment.

• Build and maintain the integration with German governmental health services, ensuring other Doctolib teams can seamlessly interact with the German health system through your platform
• Drive the integration of the national EHR (Electronic Health Record) into Doctolib, with a multi-country rollout approach, navigating each country's standards and technical constraints
• Design, ship, and operate production-grade fullstack solutions that connect the Doctolib platform to complex healthcare infrastructure
• Partner with other engineering teams to shape the architecture of Doctolib's interoperability platform
• Ensure privacy, security, and compliance by design in one of healthcare's most regulated technical environments
• Own performance, observability, and reliability: monitoring dashboards, SLO/SLI, and system health
• Contribute to cross-functional initiatives that shape Doctolib's future interoperability strategy across Europe

• You have 6+ years of experience as a software engineer, with strong fullstack expertise, particularly in Kotlin and React/TypeScript
• You have a track record of building robust, end-to-end solutions that balance technical excellence with intuitive user experiences
• You are able to design systems (system design) and make sound architectural decisions in complex environments
• You understand and promote best practices related to the software development life cycle: automated testing, CI/CD, and DevOps practices (you build it, you run it)
• You are curious, autonomous, and have a taste for exploring new systems : you are comfortable solving problems without complete documentation
• You are at ease in complex technical environments with many external dependencies and evolving standards
• You are eager to share your knowledge and help the team grow through pair programming and mentoring
• You are comfortable speaking and writing in English in your day-to-day with the team, German is a plus
• Have experience with healthcare interoperability standards, particularly FHIR, HL7, or similar
• Have experience integrating with governmental or regulated health systems (e.g. Telematik-Infrastruktur, eRezept, GDT)
• Are familiar with the German digital health ecosystem

• A Deutschlandticket (Germany-wide public transport pass) fully paid for by Doctolib
• 28 vacation days + 1 additional day for each full calendar year of employment (up to a maximum of 30 days)
• Work from abroad for up to 10 days per year thanks to our flexibility days policy
• Company health insurance with great supplementary benefits through our partner Allianz
• Company pension scheme (bAV) through Allianz with an employer subsidy of 40% (15% within the probationary period)
• Enrollment in Doctolib's long-term employee value sharing plan called DoctoGrowth
• The Doctolib Parent Care program, which includes one month additional parental leave and much more
• Free mental health and coaching services through our partner Moka.care
• Subsidized sports membership through our partner Urban Sports Club
• A flexible workplace policy offering both hybrid and office-based mode
• Alongside healthy snacks and our regular breakfast buffet, we provide a subsidized meal benefit
• For caregivers and workers with disabilities, a package including an adaptation of the remote policy, extra days off for medical reasons, and psychological support