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PartifulPartifulNew York, NY

📱 App Infrastructure (React Native) Engineer

Builds and maintains Expo-based React Native infrastructure for iOS/Android apps, optimizes performance with New Architecture tools, and creates developer tooling for faster shipping while ensuring reliability. Requires 3+ years React Native experience and Expo expertise.

145k – 205k
On-site3+ YOEMobile Engineering

About the role

Responsibilities

  • Maintain and evolve our Expo infrastructure, ensuring smooth upgrades and optimal configuration as we scale
  • Leverage React Native's New Architecture and latest tooling (React Profiler, etc.) to identify and eliminate performance bottlenecks
  • Build and maintain iOS-specific features like App Clips, Live Activities, and Widgets to create seamless user experiences
  • Work with our close partners at Expo & Software Mansion, by testing out new feature releases and providing feedback
  • Create tooling and infrastructure that improves developer velocity and code quality across the mobile team
  • Establish monitoring and observability systems to track app performance, release health, and user experience metrics
  • Collaborate with both product engineers and other infrastructure engineers to ensure infrastructure decisions enable feature development rather than constrain it
  • Own and continuously improve our weekly app release process, from build to store deployment

Requirements

  • 3+ years of experience building mobile applications with React Native
  • Experience with Expo and managing mobile build/deployment infrastructure
  • Strong understanding of New Architecture, React Compiler, and modern performance optimization techniques
  • Track record of improving developer experience using CI/CD automation, observability systems (such as Sentry), and infrastructure tooling
  • A builder’s mindset — you enjoy automating, optimizing, and empowering teams through great tooling
  • Deep sense of ownership and dedication to delivering ambitious outcomes on fast timelines
  • A collaborative, pragmatic approach — you care about outcomes more than ego

Compensation

  • Anticipated annual salary: $145k-$205k, plus a generous equity package
  • 401(k) with up to 6% matching
  • Comprehensive health, dental, and vision insurance
  • Free OneMedical membership, telehealth, and virtual mental health services
  • Commuter benefits & contributions towards ClassPass and Citibike memberships
  • Take what you need paid time off
  • 14 paid holidays
  • Parental leave
  • Quarterly stipend to plan your own party
  • Semiannual team off-sites

Skills

React NativeExpoTypeScriptExpo RouterReanimatedReact QuerySentryNew ArchitectureReact CompilerCI/CD

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