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  2. Caspar Health

Senior Backend Engineer (Ruby on Rails) - Engineering Team Lead (all genders)

Posted on April 27, 2025 (1 day ago)

Job description

What To Expect

Caspar Health was founded in 2016 and is setting new standards for the rehabilitation market. With new technologies and close partnership with rehabilitation clinics, patients get access to effective digital rehabilitation with personal care independently of time and location. Therapists create and share therapy plans, interacting remotely with patients.
We are looking for a highly motivated and experienced Senior Software Engineer (all genders) with excellent Ruby on Rails skills and team coaching and leadership experience to join our team in Berlin or remotely from anywhere in Germany.
This is an exciting time to work at Caspar as you will design how the system will work in the future.

Your Challenges

  • Lead a senior engineering team of 4 using Scrum, ensuring collaboration and coding yourself
  • Lead, mentor and develop your team, fostering continuous learning and growth culture
  • Take responsibility for technical direction of Caspar Health applications from day one and drive product development
  • Develop new features and continuously improve Caspar Health platform and services
  • Collaborate closely with Product Management, UX, QA, Analytics, DevOps, and Architecture colleagues
  • Refine and optimize development processes
  • Contribute to best practices in code quality, test automation, API design, CI/CD, security management, and software architecture
  • Support team member development and knowledge sharing culture
  • Drive the introduction of new technologies and best practices

Your Profile

  • Extensive experience with Ruby on Rails and team leadership or mentoring in this area
  • Expert-level use of Ruby on Rails in production environments
  • Strong understanding of SQL and proficiency in PostgreSQL
  • Proven experience working with AWS infrastructure and integration of AWS solutions
  • Commitment to scalability, testability, and maintainability
  • Experience with end-to-end testing frameworks like Cypress, guiding team on best test coverage practices
  • Experience with JavaScript frontend frameworks, ideally React
  • Proactive, hands-on mentality with passion for continuous learning and innovation
  • Excellent teamwork and communication skills
  • Solid command of English, written and verbal

Additional Desired Experience

  • Familiarity with AWS Cognito, Elemental MediaConvert and Lambda functions
  • Experience with Docker, Docker Compose, and Kubernetes
  • Experience experimenting with AI-driven approaches for innovation
  • Experience with Golang, JavaScript, TypeScript and IaC tools like Terraform

Why Caspar Health?

  • Permanent employment contract
  • Human-centered focus with initiatives on diversity and inclusion and open work culture reflection
  • Open feedback culture for learning and growth
  • Good work-life balance with flexible hours, mobile work, and part-time models
  • Individual annual training budget
  • Health support including sports sessions and free health app with mental health, exercise, and nutrition modules
  • Fresh fruit and healthy snacks at office
Caspar Health provides a friendly, inclusive, and safe environment respecting all backgrounds. They focus purely on experience and motivation in applications.

Contact

Dana Kussatz; Talent Acquisition Specialist
Please submit your application online including earliest start date and salary expectations. Contact [email protected] for questions. Caspar Health requires commitment to personal data protection due to working with sensitive health data.

Note On Data Protection

Please apply exclusively via the career site to guarantee data protection. Privacy policy available on site.

About Us

Caspar Health is a digital rehabilitation clinic with a vision to provide patients with effective rehabilitation anywhere, anytime. Medical facilities use Caspar Health online during hospital stay and after discharge. Services are covered by pension insurance in rehabilitation, prevention, and aftercare.

How to apply

Application Instructions

Please apply online via the Caspar Health career site. You can also apply directly on the company website. Include earliest possible start date and salary expectations. For questions, contact [email protected].