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

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