App Developer

Job Description – React Native App Engineer

• Architect, build, and ship new features in our React Native mobile app end-to-end
• Design cross-platform client-side systems (data models, networking, caching, and state management) that scale with product growth
• Own delivery of individual feature modules—from spec through QA to release on both iOS and Android
• Monitor and manage technical debt; proactively refactor code to improve performance and maintainability
• Make thoughtful trade-offs between speed and scalability while delivering high-impact features
• Collaborate closely with a small, focused team of engineers; provide mentorship and conduct thoughtful code reviews
• Partner with Product and UX to ensure high-quality user experience, responsiveness, and stability

Job Requirements

• 2+ years of professional experience building and maintaining React Native applications
• At least 2 years at a single organization, demonstrating consistent ownership and impact
• Clear track record of promotion, increasing responsibilities, or leading initiatives
• Strong sense of ownership—able to anticipate potential pitfalls and address them proactively
• Excellent problem-solving skills and technical judgment; can balance speed of delivery with architectural soundness

Preferred Requirements

• Experience in fintech, payments, mobile commerce, or other security-sensitive domains
• Excitement for working at an early-stage startup and shaping both product and engineering culture
• Hands-on experience with one or more of the following:
  • React Navigation, React Query, Redux / Zustand / Recoil
  • TypeScript and ES2020+
  • Native module bridging with Swift, Objective-C, or Kotlin
  • Mobile persistence layers (SQLite, Realm, MMKV)
  • REST/GraphQL APIs, WebSockets, and custom networking stacks
  • Continuous Integration / Deployment (GitHub Actions, Bitrise, or equivalent)
  • Automated testing tools (Jest, Detox, React Native Testing Library)
  • App Store / Google Play submission, TestFlight workflows, enterprise app distribution
  • Familiarity with AWS mobile services (Amplify, AppSync, Lambda, S3) or other cloud back-ends
• Comfortable with technical documentation, RFCs, and API spec reviews
• Proficiency with Git and GitHub flow; code review best practices