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

Doctolib; France; Hybrid; EUR 65,000 - 95,000; Full time

Benefits offered by this job

Deutschlandticket

28 vacation days

Work from abroad (10 days)

Health insurance

Pension (40% subsidy)

DoctoGrowth

DoctoCare program

Moka.care

Urban Sports Club

Hybrid/Office flexibility

Meal benefit

Disability support package

Job summary

Doctolib in Berlin invites a Senior Software Engineer to join the FIRE team, focusing on interoperability with the German health system. You will design and implement fullstack solutions, integrating EHRs across Europe while upholding stringent privacy and compliance standards.

The role requires 6+ years in software engineering with Kotlin and React/TypeScript, strong system-design skills, and experience with CI/CD and DevOps. Hybrid work and international collaboration are core to the position.

Qualifications

• 6+ years of experience as a software engineer with strong fullstack expertise in Kotlin and React/TypeScript.
• Proven track record building robust end-to-end solutions balancing technical excellence with intuitive user experiences.
• Experience designing systems and making architectural decisions in complex environments.
• Knowledge of the software development life cycle: automated testing, CI/CD, and DevOps practices.
• Able to operate in a multilingual European environment and communicate effectively in English.

Responsibilities

• Build and maintain integrations with governmental health services for Germany.
• Drive the national EHR integration with multi-country rollout considerations.
• Design, ship, and operate production-grade fullstack solutions connecting Doctolib to healthcare infrastructure.
• Partner with other engineering teams to shape the interoperability platform architecture.
• Ensure privacy, security, and compliance by design in a highly regulated domain.
• Own performance, observability, and reliability with dashboards and SLO/SLI.
• Contribute to Europe-wide interoperability strategy initiatives.

Skills

Kotlin

React/TypeScript

System design

CI/CD

DevOps

English

Job description

What we do

Join a team of passionate and hardworking entrepreneurs to transform healthcare! Working in the tech team at Doctolib involves building innovative products and features to improve the daily lives of care teams and patients. We work in feature teams in an agile environment, while collaborating with product, design, and business teams.

What you'll do

We are looking for a Senior Software Engineer FullStack to join the FIRE (FHIR & Interoperability Requirements EHR) team in the Clinical domain. As a Senior Software Engineer, your mission will be to ensure that Doctolib DE is well connected to the German digital health ecosystem and compliant with FHIR standards.

Responsibilities

• 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

About our tech environment

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. The FIRE team works on a FullStack scope: React / TypeScript on the frontend and Kotlin on the backend. Our broader 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!

Who you are

Are you convinced that you have exactly what it takes for the position? Even if you don't meet every requirement, you might be exactly the right future Doctoliber for this or other positions! If you don't have the exact profile described below, but you feel this job description matches your skill set,

• 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.

Now, it would be fantastic if you:

• 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.

What we offer

• 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.

The interview process

Recruiter Interview Feature Building Interview System Design Interview Behavioral Interview Reference check Offer!

Job details

• Full-time
• Location: Berlin
• Working mode: Hybrid
• Start date: as soon as possible
• Total Cash Compensation: min 65K - max 95K (including 10% performance-based bonus)

If you would like to find out more about tech life at Doctolib, feel free to read our latest Medium blog articles!

At Doctolib, we are committed to improving access to healthcare for everyone. This translates into our recruitment process. We evaluate candidates based solely on qualifications and motivation, without any form of discrimination.

The more diverse ideas are heard, the more our product will truly improve healthcare for all.

regardless of your gender, religion, age, sexual orientation, ethnicity, 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.

Join us in building the healthcare we all dream of!

All information provided is processed by Doctolib for application management. For data processing details, click here. Please contact hr.dataprivacy(at)doctolib.com for inquiries or to exercise your rights.