Mirantus Health

Senior Full Stack Developer (m/f/d)

Berlin, Germany full-time Mid Salary not listed
full-time Mid level Technology & IT Curated
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About the role

We're a young, well-funded health-tech startup on a mission to make quality care reachable for everyone. By enabling doctors to deliver distributed healthcare solutions, we bring treatment to patients in remote and underserved areas — and we're already operational, serving hundreds of patients every month.

This is your opportunity to join at an early stage, have a direct impact on patient health, and help shape our tech product from the ground up. As a Full Stack Developer with a frontend focus, you'll spend most of your time crafting fast, accessible, and intuitive interfaces while contributing across the stack, working hand in hand with product and design.

Tasks

Build and maintain responsive, high-performance frontend applications with React

Develop and integrate APIs in our Node.js (NestJS) backend

Turn design concepts into polished, accessible user experiences

Write clean, testable, well-documented code and help raise the bar on quality

Take part in code reviews, architecture decisions, and the continuous evolution of our engineering practices

Help maintain and gradually modernize legacy services

Requirements

Solid professional experience as a full stack developer (5+ years)

Strong command of TypeScript and modern React

Hands-on experience with TanStack Router and TanStack Query — or the proven ability to pick them up fast

Working knowledge of Node.js, ideally with NestJS

A good grasp of APIs, state management, and component-driven development

A genuine focus on quality: testing, performance, and accessibility

Clear communication and a collaborative mindset

Nice to have: Spring Boot (Kotlin) for our legacy stack, experience in healthcare or another regulated industry, and familiarity with CI/CD

Benefits

Attractive compensation package and opportunity for professional growth

As part of a small, ambitious team, you’ll dive into a great variety of health-tech challenges and develop innovative solutions — a unique learning opportunity

Real impact: your work directly improves patient health in a live product

The rare chance to shape a tech product from scratch at an early stage

A modern stack you’ll have a real voice in evolving

30 days of paid vacation

Flexible working arrangements

Office in the center of Berlin

A supportive, collaborative team where your ideas count

Ready to build healthcare that reaches further? We’d love to hear from you. At Mirantus Health, we value diversity and welcome applicants of all backgrounds.

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Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Mid
Technology & IT Javascript Remote Collaboration Senior Full Stack Mid level

Likely questions

  1. Tell us about work you have done that is close to the Senior Full Stack Developer (m/f/d) role.
  2. How would you approach your first 30 days at Mirantus Health?
  3. Which of Javascript, Remote Collaboration and Senior have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with Javascript, Remote Collaboration and Senior.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Senior Full Stack Developer (m/f/d) role because I can bring practical experience in Javascript, Remote Collaboration and Senior, learn the team quickly, and contribute to the outcomes Mirantus Health needs from this hire.

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