Senior Backend Engineer (Java/Kotlin)- (m/f/x) at Doctolib | Berlin, Germany | Rezi

Senior Backend Engineer (Java/Kotlin)- (m/f/x) at Doctolib

Senior Backend Engineer (Java/Kotlin)- (m/f/x)

Doctolib · Berlin, Germany

5 days ago

Senior Backend Engineer (Java/Kotlin)- (m/f/x)

Doctolib · Berlin, Germany

5 days ago
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About the Role

Your mission will be to help reinforce Doctolib's 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 a feature team developing solutions that directly impact millions of people across Europe.

Responsibilities

  • Collaborate with product managers, designers, and engineers to design and ship features that deliver real value to healthcare professionals and patients
  • Design and implement robust technical solutions ensuring performance, security, and usability across our back-end applications
  • Contribute to technical decisions and architectural choices — not just implementation — helping shape the long-term direction of the platform
  • Navigate integration complexity across a broad and diverse partner ecosystem, balancing delivery speed, reliability, and maintainability
  • Champion AI-assisted development workflows and help elevate your team's proficiency with these tools
  • Share your expertise across teams to evolve Doctolib's architecture and technical standards through knowledge sharing, code reviews, and pair programming

Requirements

  • Strong back-end software engineering experience with the JVM ecosystem (Java, Kotlin, Spring Boot)
  • Hands-on experience using AI-assisted coding tools and are comfortable integrating them into your daily workflow
  • Significant experience navigating integration complexity across large partner networks and diverse legacy systems
  • A "user first" mindset and are committed to building secure, well-tested, and pragmatic code — you bring a strong testing culture and care deeply about code quality and system resiliency
  • Proactive, curious, and eager to grow alongside your teammates through pair programming and cross-team collaboration
  • Fluent in English
  • Experience with Ruby on Rails
  • Contributed to large-scale platform architecture discussions or technical roadmap planning

Skills

  • JVM ecosystem
  • Java
  • Kotlin
  • Spring Boot
  • AI-assisted coding tools
  • Ruby on Rails
  • React
  • TypeScript
  • Python
  • Swift

Location

  • Berlin, Germany

Work Type

  • Hybrid work setup (up to 2 remote days per week)
  • Permanent position
  • Full-time

Experience Level

  • Senior

Benefits

  • 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)
  • The Doctolib Parent Care program, which includes one month additional parental leave and much more
  • Enrollment in Doctolib's long-term employee value sharing plan called DoctoGrowth
  • Free mental health and coaching services through our partner Moka.care
  • Subsidized sports membership through our partner Urban Sports Club
  • 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
  • Relocation support in case of international mobility
  • Access to the best AI tools for coding, development and dedicated training

About the Company

  • 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.
  • We leverage AI ethically across our products to empower patients and health professionals.

Equal Opportunity

  • We evaluate candidates based solely on qualifications and motivation, without any form of discrimination.
  • You are welcome to apply to Doctolib, regardless of your gender, religion, age, sexual orientation, ethnicity, or disability.
  • To ensure equal opportunities, we invite you to exclude personal information (e.g., pictures, age) from your applications.
  • If you require any accommodation, please let us know for support during the hiring process.