(Senior) Backend Engineer (all identities)

We are looking for a highly motivated (Senior) Backend Engineer (all identities) to join our team in Berlin. It is an exciting time to work at Caspar because you will be the one designing how our patients will use the app in the future.

• You will design and extend the APIs and services that power the Caspar Health app for patients

• You will collaborate closely with colleagues from Product Management UX QA Analytics DevOps and Architecture disciplines to improve teamwork and exchange of knowledge

• You will leverage your expertise to refine and optimize development processes.

• You will contribute to the advancement of best practices in code quality test automation etc.

• You will work in a cross-functional Scrum team

• You have at least three years of experience working with backend technologies.

• You possess expert-level experience using Ruby on Rails & TypeScript in production environments.

• You have an interest in mobile client needs and are ideally familiar with React Native

• You have a robust understanding of SQL and are proficient in PostgreSQL.

• You have a proven track record working with AWS infrastructure

• You are committed to ensuring scalability testability and maintainability in all deliverables.

• You demonstrate a proactive hands-on mentality with a passion for continuous learning and innovation.

• You excel in teamwork and communication.

• You have a solid command of English both written and verbal.

In a perfect world you additionally have experience with:

• Familiarity with AWS Cognito Elemental MediaConvert and Lambda functions.

• Experience with Docker Docker Compose and Kubernetes.

• Experience exploring and experimenting with AI-driven approaches to unlock innovative possibilities and elevate developments.

• Remote-first with flexible working hours office optional in Berlin-Mitte or up to 90 days a year outside of Germany

• To match this we support you with a monthly home office allowance and an additional meal subsidy

• Plenty of time to recharge with 30 vacation days per year

• Budget for learning & development conferences and coaching tailored to your potential and growth opportunities.

• High level of ownership and decision-making freedom no micromanagement. We hire experts who know what theyre doing. #MakeAnImpact!

• Genuine collaboration no silos no egos. After all were all working toward the same vision. #ValueFocus!

• Access to all Caspar offerings for mental and physical well-being #HealthyTogether!

• And yes all the snacks your heart desires group sports sessions a never-empty drinks fridge and a healthy dose of humor are included too.

What defines us as a team

• We live diversity its not a marketing slogan its part of our everyday reality.

• Feedback isnt a tool its part of our culture.

• We believe that technology only makes sense when it truly helps people.

• Our drive is purpose but our standard is professionalism.

Diversity and Inclusion:

At Caspar Health we strive to provide a friendly safe and welcoming environment for all Casparians* regardless of ethnic origin gender gender identity and expression sexual orientation limitations of any kind physical appearance social background age or religion (or lack thereof).

When you apply we purely focus on your experience and motivation. You decide what additional information you want to disclose (picture marital status religion gender nationality etc). We value and treat all applications equally.

We are looking forward to getting to know you!

Dana Kussatz; People Business Partner Tech Product & Analytics // TA Expert

Please submit your application online. We are also interested in knowing your earliest possible start date and your salary expectations. If you have further questions please reach out to We will get in touch with you as soon as we can.

Our product Caspar Health is used in medical facilities and by patients doctors and therapists. Working with (sensitive) personal data (e.g. health data) is part of our daily routine. Thats why we expect a strong commitment from our employees to protect personal data and to safeguard the rights of those affected as best as possible.

Data privacy notice:

Please apply exclusively via our application link as this is the only way we can ensure the protection of your data. You can find our privacy policy here.

Caspar Health is a digital rehabilitation clinic with a vision to provide patients with access to the most effective rehabilitation treatment at any time any place.

Medical facilities use Caspar Health to conduct therapy measures online with their patients during their hospital stay and after discharge. The combination of learning technology with in-depth medical knowledge ensures that the therapy goal is achieved in a sustainable manner.

The services are covered by numerous pension insurance companies in the areas of rehabilitation prevention and aftercare.