Senior Mobile Engineer

Topstep

United States
Base: $157,000 - $193,000 annually; bonus: perform...
On-site
5+ years production mobile experience
Deep react native expertise
Typescript and modern javascript foundation
This role involves leading the mobile MVP effort to establish a React Native application from the ground up while integrating with GraphQL APIs

Job Summary

  • This role involves leading the mobile MVP effort to establish a React Native application from the ground up while integrating with GraphQL APIs.
  • The successful candidate will own end-to-end mobile features from design through App Store and Play Store releases, ensuring seamless backend integration.
  • Topstep offers competitive benefits including front-loaded paid time off, a food and groceries budget, and a bonus for taking consecutive vacation days.

Matching Summary

This role involves leading the mobile MVP effort to establish a React Native application from the ground up while integrating with GraphQL APIs.

Salary

Base: $157,000 - $193,000 annually; Bonus: Performance-based bonus eligible; Benefits: Competitive 401(k) matching, health, dental, vision, PTO

Skills & Requirements

Must-have

  • 5+ years production mobile experience
  • Deep React Native expertise
  • TypeScript and modern JavaScript foundation
  • GraphQL client integration (Apollo Client)
  • Cross-platform iOS and Android shipping
  • Mobile performance optimization techniques
  • CI/CD and release management experience

Nice-to-have

  • Fintech or trading app background
  • Native iOS Swift or Android Kotlin skills
  • Real-time data integration with WebSockets
  • Experience with Expo framework
  • Complex UI patterns like charts and animations
  • Shared component library maintenance
  • Mobile security best practices for finance

Key Requirements

  • 5+ years professional mobile app experience
  • Proven track record of establishing scalable patterns
  • Experience shipping to both iOS and Google Play stores

Work Rights

Not specified

Tailored Resume

Cover Letter