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[Remote] Senior Mobile Frontend Engineer

Remote, USA Full-time Posted 2026-06-20

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.
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