Sequencing logo

Senior Mobile Frontend Engineer

Sequencing
Remote
Remote· about 2 months ago

Straight from Sequencing’s careers page. Apply on the company site — no recruiter, no middleman.

Senior React Native Engineer

Location: United States , Canada, Mexico, United States, Latin America (LATAM), South America, Eastern Europe, Middle East, Asia

Department: Engineering

Location Type: REMOTE

Employment Type: FULL_TIME

The opportunity


We are hiring a Senior React Native Engineer to lead frontend work on our iOS and Android apps. You report into Engineering and partner daily with product, design, backend, and AI teams to ship features end to end. This is an IC3, initiative-level role with high autonomy and no direct reports. Your work puts clear, personalized health insights from a persons genome right in their pocket, so more people can understand their DNA and outsmart their genes.


What youll own


  • 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.


Who you are


  • 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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