Senior React Native Engineer - Germany

Senior React Native Engineer (m/f/x) - based in Germany

Cara Care, a digital health company backed by Bayer AG, is on a mission to improve people's digestive health through technology. As we expand our product portfolio and modernize our platform, we are looking for a versatile, pragmatic, and forward-thinking Senior React Native Engineer(m/f/x) to help shape the future of digital therapeutics.

You'll join a cross-functional product team with high ownership, lean processes, and a clear focus: deliver real impact to patients. We're looking for someone who thrives on solving real-world problems with code, is technology-open, and knows when to build fast and when to build right.

• Design, build, and ship high-quality React Native apps for iOS and Android with Type Script
• Own the full mobile lifecycle: architecture, implementation, automated testing, release management, monitoring, and iteration
• Integrate native capabilities (push notifications, deep links, biometric auth, camera/sensors); write and maintain native modules when needed (Swift/Kotlin)
• Drive mobile performance and reliability (startup time, bundle size, memory, battery) and meet accessibility best practices
• Set up and evolve mobile CI/CD (e.g., Fastlane, Git Hub Actions/Bitrise), internal testing (Test Flight/Play Console), and release pipelines
• Collaborate closely with Product, Design, and Medical to explore, define, and deliver patient-centric features, and to improve our current platform
• Uphold technical excellence in architecture, code quality, and security, especially under healthcare regulations (ISO 62304, TR-03161, MDR)
• Contribute to a platform that powers multiple regulated digital health products across indications like IBS, GERD, and upcoming expansions
• Mentor other developers and help raise the technical bar across the team

• 5+ years of professional software engineering experience, with at least 3 years focused on React Native and shipping production apps
• Expert with React Native and Type Script, React Navigation, state management, and testing (Jest, React Native Testing Library; Detox a plus)
• Proven track record delivering to App Store and Google Play, including handling certificates/provisioning, in-app updates, and staged rollouts
• Solid understanding of mobile security and privacy: secure storage, keychain/keystore, certificate pinning, data minimization, and PII handling
• Experience with mobile CI/CD and release automation (Fastlane, Git Hub Actions or Bitrise), and tools like Sentry
• Product mindset: you've worked in product-centric teams, collaborated closely with non-technical stakeholders, and care deeply about UX and accessibility
• Bonus: experience in regulated industries, healthcare, or other security-conscious environments; native iOS/Android development (Swift/Kotlin)

• 💸 Fair Compensation:
  We offer a competitive salary with regular reviews, plus the best equipment to help you do your best work
• 🫶 Great team spirit:
  Join a vibrant, interdisciplinary team and enjoy a friendly, collaborative working atmosphere— complete with regular on-site team events
• 👨💻 Remote-first work setup:
  Whether you prefer working from home or from our office in Berlin, the choice is yours. We support a truly flexible remote-first work model.
• 🏝️ 30 days off per year:
  We believe in the power of rest. That's why we offer 30 days off per year—including 4 company-wide mental health days on top of 26 vacation days
• 🦉Flexible working hours:
  Early bird or night owl? Work the hours that suit you best
• 🚀 Real Impact:
  Your work matters. You'll play a key role in shaping the future direction of our company and product

Cara Care is a digital health company on a mission to bring holistic, science-backed support to people with digestive issues. Through our app, individuals can identify symptom triggers, receive personalized recommendations, and access digital therapeutic programs for:

• Irritable Bowel Syndrome (Cara Care for IBS)
• Inflammatory Bowel Disease (Cara Care for IBD)
• Heartburn (Cara Care for Heartburn)

Our IBS program is officially approved by the German Federal Institute for Drugs and Medical Devices…