IOS/Mobile Engineer; Swift/React Native
Job in
San Francisco, San Francisco County, California, 94199, USA
Listed on 2026-05-30
Listing for:
Scale.jobs
Full Time
position Listed on 2026-05-30
Job specializations:
-
Software Development
App Developer - Mobile/Web, iOS Developer, Android Developer
Job Description & How to Apply Below
About The Role
The role owns features from design handoff through App Store release, with deep Swift or React Native expertise. This is not a feature-factory role. You will push back on bad ideas, propose better ones, and care about what you ship as much as the users who use it.
Key Responsibilities- Build polished, performant iOS features in Swift and Swift
UI, or cross-platform features in React Native - depending on your primary expertise and the project requirements - Own offline-first data synchronization architecture using Core Data, SQLite, or Realm with thoughtful conflict resolution strategies
- Implement and maintain push notification systems, background refresh logic, and deep linking across app surfaces
- Optimize app performance: memory profiling, rendering performance (Instruments), startup time, and battery impact
- Manage App Store submission processes: certificates, provisioning profiles, Test Flight, and release management
- Write unit and UI tests; maintain automated test suites as features evolve
- Participate in design reviews alongside product and UX; advocate for what is technically feasible and excellent
- 2–7 years of iOS engineering with Swift and Swift
UI, or React Native at production scale - Deep understanding of iOS platform fundamentals: UIKit vs Swift
UI tradeoffs, lifecycle management, memory management, concurrency (async/await or Combine) - Experience with App Store submission, Test Flight, and managing the full mobile release pipeline
- Offline-first architecture experience: local persistence, sync strategies, conflict resolution
- Familiarity with mobile CI/CD tools:
Fastlane, Bitrise, or Git Hub Actions for mobile - Bonus:
Android/Kotlin experience, Expo for React Native, or experience with real-time sync (Web Sockets, Firebase)
- San Francisco Bay Area (Hybrid)
- New York City
- Los Angeles
- Austin, TX
- Miami, FL
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