Fullstack Engineer III (d/f/m)

Our mission

As aFullstack Engineerat Heartbeat Medical, you will play a key role in shaping our digital platform and services for patients and medical professionals. You'll be part of a highly collaborative, cross-functional product and engineering team, working closely with the team leads of Engineering and Product, our product designer, medical content specialists and fellow engineers.

You’ll contribute across the full depth of our system heartbeat OS – backend, frontend, and infrastructure. As we are a health-tech company – testing, safety, and reliability are not just best practices but critical requirements. You'll take ownership of implementing unit and integration tests and work with the team to maintain our high code quality standards.

You will be a key contributor to our mission of making healthcare more patient-centric and digitally supported with an impact on hundreds of patients per week. Our mission is to provide the digital infrastructure for future care and reimbursement to be guided by individual health outcomes – in Germany and beyond.

Location : Berlin, Germany (hybrid)

Type : Full-time or part-time (min. 30 hours / week)

Salary : €65,000–€75,000 per year (fulltime and depending on experience)

Your Responsibilities

Develop, test, and maintain scalable features across the full product stack

Contribute to system architecture and infrastructure decisions

Improve and maintain CI / CD pipelines and containerized deployments

Write clean, testable code and perform code reviews

Support an increasing use AI tools within the engineering workflow

Collaborate with PM, designers, engineers, and leadership to deliver product improvements

Participate in work planning, retrospectives, etc. We use a mixture of kanban and scrum

Occasionally interact with customers or users to clarify technical questions or issues

Your Profile

We don’t expect you to tick every box – if you’re excited by the role and meet most of the qualifications, we encourage you to apply.

Strong experience in JavaScript / TypeScript , both backend (Node.js) and frontend (React, Vue, or similar)

Strong understanding of core web fundamentals and framework-less development

Experience working with SQL and relational databases (we use Postgres)

Comfort deploying and maintaining containerized applications (e.g., Docker)

Ability to write testable, robust software with unit and integration tests

Experience with gRPC and protocol buffers is a plus

Excellent communication skills in English; openness to learning basic German (we offer support for German classes)

Comfortable in a dynamic, fast-paced, and purpose-driven environment

Proactive, hands-on, and team-oriented mindset

Nice to have

Experience in regulated environments or with digital health products

Familiarity with infrastructure-as-code or DevOps tooling

Contributions to open-source or public projects developed in the past or at the moment

What awaits you at heartbeat

Competitive compensation with possibility of equity participation

Flexible work arrangement : hybrid setup with flexible hours and centrally located office

Meaningful work : direct impact on healthcare outcomes and patient lives

Professional development : learning budget and support for your growth

Part-time options (minimum 30 hours / week)

Health & wellness support package

Inclusive, diverse and open team

Sounds interesting?

We are looking forward to your application!

For questions please feel free to reach out to

About us

Since our founding in 2014, Heartbeat Medical has become the leading German provider for the digital capture, management and analysis of Patient-Reported Outcome Measures (PROMs). We currently work with nearly 230+ medical centers, research projects and registries and have already digitally supported over 270,000+ treatments.

With the passion and power of our 20 team members, we work every day to improve the quality of life of patients.