Note: The job is a remote job and is open to candidates in USA. Sequencing is seeking a Senior Mobile Frontend Engineer to lead frontend development on their iOS and Android applications. The role involves collaborating with various teams to deliver high-performance mobile features and ensuring a consistent user experience across platforms.
Responsibilities
- Own frontend development for our native iOS and Android apps built with React Native
- Turn product specs and Figma designs into pixel-perfect, high-performance mobile screens
- Ship features end to end, from first build to App Store and Google Play release
- Partner with backend engineers to wire up APIs, real-time data, and AI-powered features
- Make the app feel consistent and accessible across both iOS and Android
- Optimize startup time, responsiveness, and overall performance on modern devices
- Shape architecture, component design, and state management patterns for the mobile codebase
- Lead code reviews and hold the quality bar for everyone touching mobile
- Build rich, interactive screens with smooth animations and gestures
- Partner with QA to test, fix bugs, and get each release ready to ship
- Run App Store and Google Play release processes and keep the apps healthy over time
- Set best practices for mobile development that the whole company can follow
- Influence technical direction so our mobile experience scales with our growing customer base
Skills
- 6+ years of professional frontend mobile development experience, with 3+ years building production apps in React Native
- Strong command of TypeScript and modern React patterns
- Solid grasp of how iOS and Android differ, and how to build for the constraints of each
- Hands-on experience integrating APIs, plus mobile performance optimization and debugging
- Comfortable working from product requirements and design specs without heavy oversight
- Clear communicator who collaborates well across product, design, backend, and AI
- Experience with Expo and EAS build workflows, animations, gestures, and rich interactive UI
- Familiar with mobile analytics, logging, and monitoring tools
- Track record owning mobile releases in the App Store and Google Play, ideally on apps with AI-driven or real-time features
Company Overview
Sequencing is building the lifelong home for every genome on Earth and the foundational platform for the AI-native genomic era. It was founded in 2017, and is headquartered in Los Angeles, California, USA, with a workforce of 11-50 employees. Its website is https://sequencing.com.