[Remote] Senior Mobile Frontend Engineer

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.ResponsibilitiesOwn frontend development for our native iOS and Android apps built with React NativeTurn product specs and Figma designs into pixel-perfect, high-performance mobile screensShip features end to end, from first build to App Store and Google Play releasePartner with backend engineers to wire up APIs, real-time data, and AI-powered featuresMake the app feel consistent and accessible across both iOS and AndroidOptimize startup time, responsiveness, and overall performance on modern devicesShape architecture, component design, and state management patterns for the mobile codebaseLead code reviews and hold the quality bar for everyone touching mobileBuild rich, interactive screens with smooth animations and gesturesPartner with QA to test, fix bugs, and get each release ready to shipRun App Store and Google Play release processes and keep the apps healthy over timeSet best practices for mobile development that the whole company can followInfluence technical direction so our mobile experience scales with our growing customer baseSkills6+ years of professional frontend mobile development experience, with 3+ years building production apps in React NativeStrong command of TypeScript and modern React patternsSolid grasp of how iOS and Android differ, and how to build for the constraints of eachHands-on experience integrating APIs, plus mobile performance optimization and debuggingComfortable working from product requirements and design specs without heavy oversightClear communicator who collaborates well across product, design, backend, and AIExperience with Expo and EAS build workflows, animations, gestures, and rich interactive UIFamiliar with mobile analytics, logging, and monitoring toolsTrack record owning mobile releases in the App Store and Google Play, ideally on apps with AI-driven or real-time featuresCompany OverviewSequencing 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.