Senior Mobile Engineer (Consumer App)
New
M
MoonshotCrypto trading
Location: USA; Remote-friendly within NAMERFull-TimeSenior
Salary not disclosed
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Job Details
- Experience
- 6–10+ years of professional mobile development, ideally 3+ years of Flutter
- Required Skills
- FlutterKotlinReact NativeSwiftA/B testing
Requirements
- Bring 6–10+ years of professional mobile development experience.
- Have ideally 3+ years of Flutter experience in production; experience with React Native, Kotlin, or Swift is also noted.
- Have experience owning large-scale consumer apps end-to-end, ideally in fintech, trading, or a similarly demanding domain.
- Understand mobile architecture, including state management, navigation, modularization, and tradeoffs.
- Have experience building or leading design systems or UI libraries in Flutter or another framework.
- Have solid engineering fundamentals in testing, mobile CI/CD, monitoring, and release management.
- Have experience collaborating with others and mentoring engineers.
- Nice to have: experience with real-time data such as WebSockets or streams and highly interactive UIs.
- Nice to have: exposure to experiment frameworks, deep links, and attribution in growth-focused mobile work.
- Nice to have: crypto/DeFi, trading, or other high-frequency transactional app experience.
Responsibilities
- Own the architecture and long-term evolution of the Flutter app across iOS and Android.
- Design, implement, and maintain a company-wide mobile design system and component library in collaboration with Design.
- Build interactive trading experiences, including live prices, charts, order tickets, order history, notifications, and portfolio views.
- Profile and optimize frame rendering, memory and network usage, and crash rates.
- Implement automated unit, widget, and integration testing and help define release and QA processes.
- Integrate analytics, A/B testing, feature flags, and event tracking into the app with Product and Growth.
- Partner with Backend and Platform engineers on API design, data models, error handling, and resilience.
- Lead through code reviews, design docs, and mentorship.
- Participate in mobile-related on-call rotations and drive root-cause fixes.
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