Senior Mobile Frontend Engineer

Sequencing is a company focused on providing personalized health insights through mobile apps. They are seeking a Senior Mobile Frontend Engineer to lead the frontend development for their iOS and Android applications, collaborating with various teams to deliver features from conception to release.

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