Staff Mobile Engineer (Consumer App)
New
M
MoonshotCrypto/DeFi trading
Location: USA; Remote-friendly within NAMERFull-TimeStaff
SalaryCompetitive salary and meaningful equity.
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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, or experience with React Native, Kotlin, or Swift.
- Have experience owning large-scale consumer apps end-to-end.
- Bring experience ideally from fintech, trading, or a similarly demanding domain.
- Understand mobile architecture, including state management, navigation, modularization, and their tradeoffs.
- Have experience building or leading design systems or UI libraries in Flutter or another framework.
- Have engineering fundamentals in testing, mobile CI/CD, monitoring, and release management.
- Have experience mentoring other engineers and collaborating across teams.
- Experience with real-time data such as WebSockets or streams is a plus.
- Exposure to mobile experiment frameworks, deep links, or attribution is a plus.
- Crypto/DeFi, trading, or other high-frequency transactional app experience is a plus.
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 performance, frame rendering, memory and network usage, and crash rates.
- Implement and maintain automated unit, widget, and integration testing, and help define release and QA processes.
- Integrate analytics, A/B testing, feature flags, and event tracking with Product and Growth.
- Partner with Backend and Platform engineers on API design, data models, error handling, and resilience.
- Lead through code reviews, design documentation, and mentoring.
- Participate in mobile-related on-call rotations and drive root-cause fixes.
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