Berlin, Germany remote Full-time

Caspar Health is hiring a Senior React Native Engineer & Team Lead Patient Squad (all genders)

About the Role

Lead and shape a growing engineering team building mobile applications that support patient recovery and long-term well-being. In this role, you'll guide technical strategy while staying actively involved in development, ensuring the codebase remains clean, maintainable, and aligned with real-world medical needs.

What You’ll Do

  • Lead and mentor engineers, supporting their technical growth and day-to-day effectiveness
  • Drive the evolution of React Native applications across multiple product lines, including white-labeled and core mobile experiences
  • Own the technical roadmap and make practical decisions that balance innovation with stability
  • Collaborate directly with clinical and product teams to turn healthcare insights into accessible digital tools
  • Implement and refine over-the-air (OTA) update systems for seamless app delivery
  • Integrate modern development practices, including LLM-assisted coding and experimental multi-agent systems
  • Ensure frontend experiences meet high standards for usability and accessibility in digital health
  • Work across the stack, with exposure to Node.js, TypeScript, and Ruby on Rails backend services
  • Establish testing standards using tools like Cypress and promote reliable, well-tested code
  • Champion engineering best practices while fostering a collaborative, ego-free culture

What We’re Looking For

  • Proven experience building and shipping React Native applications at scale
  • Hands-on leadership experience guiding engineering teams through agile workflows
  • Deep familiarity with state management patterns using Redux or RxJS
  • Active use of large language models to support coding efficiency and knowledge sharing
  • Solid understanding of modern JavaScript and TypeScript ecosystems
  • Experience with OTA deployment strategies for mobile apps
  • Strong problem-solving skills and the ability to simplify complex requirements
  • Interest in backend technologies including Node.js, Ruby on Rails, or similar
  • Familiarity with end-to-end testing frameworks such as Cypress

Why This Environment Works

  • Work remotely by default, with flexible hours and no micromanagement
  • Optional office space in Berlin-Mitte if you prefer in-person collaboration
  • Up to 90 days per year working from outside Germany
  • Monthly home office stipend and meal subsidy
  • Generous learning budget for courses, conferences, and personal development
  • 30 vacation days annually, plus access to wellness programs and mental health support
  • Full ownership over technical decisions and roadmap direction
  • Inclusive culture that values collaboration across disciplines
  • On-site snacks, drinks, group sports, and a workplace that values humor and humanity
Required Skills
React NativeJavaScriptTypeScriptNode.jsRuby on RailsCypressRxJSReduxLLMsOTA UpdatesMobile DevelopmentTeam LeadershipMentoring React NativeJavaScriptTypeScriptNode.jsRuby on RailsCypressRxJSReduxLLMsOTA UpdatesMobile DevelopmentTeam LeadershipMentoring
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About company
Caspar Health

Evidenzbasierte digitale Prävention, Rehabilitation und Nachsorge. Caspar Software und Caspar Clinic bieten flexible Therapien mit persönlicher Betreuung.

Die Kombination aus persönlicher Betreuung und digitaler Therapie ermöglicht eine individuell abgestimmte Reha-Nachsorge und Prävention. Caspar Health ist das erste von der Deutschen Rentenversicherung (DRV) anerkannte digitale Nachsorgezentrum (DNZ).

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Job Details
Department Software Development
Category management
Posted 15 days ago