Logo Doctolib

Full Stack Software Engineer - Kotlin/React

Job

  • Level
    Senior
  • Job Field
    Web, Software, Full Stack
  • Employment Type
    Full Time
  • Contract Type
    Permanent employment
  • Location
    Berlin
  • Working Model
    Hybrid, Onsite
  • Job Summary

    In this role, you will develop features for document management and patient qualification, work with Kotlin in the backend and React in the frontend, optimize database performance, and implement CI/CD pipelines.

    Job Technologies

    Your role in the team

    • We are looking for a Software Engineer to join our team in the Patient Relationship Management domain.
    • Your mission will be to work on Document Management, Patient Qualification, and Patient Intake - features that streamline patient care journeys inside healthcare practices, reducing paperwork for health professionals while ensuring the best possible care delivery to patients.
    • Build and ship features across both the discovery and delivery phases of product development, working in our Java/Kotlin backend and React (TypeScript) frontend.
    • Dive deep into distributed systems and third-party integrations (e.g., SMS), designing data models and optimizing database performance for real-time workloads (PostgreSQL: connection pooling, indexing, query optimization).
    • Scale services and make them future-proof to manage growing demand from patients and healthcare practitioners, running on Kubernetes and cloud infrastructure (AWS).
    • Own observability end-to-end: instrument metrics and alerts in DataDog, debug production issues, and leave systems more resilient than you found them.
    • Set up and evolve CI/CD pipelines (GitHub Actions) and maintain a high testing bar (unit, integration, e2e).
    • Write test-driven, pragmatically engineered code; also touch Ruby on Rails as part of our existing platform.
    • Share your knowledge proactively via pair- and mob-programming sessions.
    • Collaborate across team boundaries with Designers and Business stakeholders.

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    Our expectations of you

    Qualifications

    • You design for testability and hold a high quality bar, without letting perfect be the enemy of shipped.
    • You care about production: you monitor, debug, and improve systems under real load.
    • You thrive in collaborative environments, communicate proactively, and bring others along, whether through code review, pairing, or cross-team work.

    Experience

    • 5+ years of experience in Software Engineering, with a track record of delivering reliable, distributed backend systems.
    • Erfahren im gesamten Tech-Stack: Backend-orientiert, mit praktischer Frontend-Erfahrung (React oder ähnliches).
    • Experience with cloud-native infrastructure and CI/CD practices is a plus.

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    What we offer

    • Company health insurance through our partner Allianz.
    • Minimum of 28 days of paid leave.
    • 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.
    • A flexible workplace policy offering both hybrid and office-based modes.
    • Work from EU countries and the UK for up to 10 days per year, thanks to our flexibility days policy.
    • Reimbursement of public transportation.

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    Benefits

    Work-Life-Integration

    Topics that you deal with on the job

    Job Locations

    • Location Berlin

      Germany

    This is your employer

    Doctolib

    Doctolib

    Doctolib is an innovative company in the digital health sector that offers a platform for organizing medical appointments. It supports both doctors and patients in optimizing the appointment management process and improving communication.

    Description

  • Company Type
    Startup
  • Working Model
    Hybrid, Onsite
  • Industry
    Healthcare, Social Sector
  • Logo Doctolib

    Full Stack Software Engineer - Kotlin/React

    Location
    Berlin
    Working Model
    Hybrid, Onsite
    Diversity
    Open for all genders
    English Only
    English only required

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