Job highlights

- Missing from the original list - should be mandatory

JavaScript (core)- ES6+ to the same standard as the web role

TypeScript -Standard for all React Native work. Missing from the original list - should be mandatory

React Native- Core components, Flexbox layout, platform-specific code, FlatList optimisation, gesture and animation handling (Reanimated / Gesture Handler), styling across screen sizes

React fundamentals- Hooks and component patterns - same depth as the web role

Navigation- React Navigation - stack, tab and drawer navigators, params, deep linking

State management -Redux Toolkit / Zustand / Context, plus React Query for server state iOS publishing- Apple Developer account handling, certificates, provisioning profiles, bundle identifiers, Xcode build and archive, App Store Connect, TestFlight distribution, App Store review guidelines, privacy nutrition labels, App Tracking Transparency

Android publishing- Keystore generation and secure storage, signed AAB builds, Google Play Console, internal / closed / open testing tracks, staged rollout, target-SDK compliance, Data Safety form, Play policy compliance

Release management- Versioning and build numbers, release notes, rollback plan, handling a store rejection and resubmitting

Expo vs bare- Knows the trade-offs,



can work in both, can eject or migrate when a native module demands it

Native basics- Enough Swift/Objective-C and Kotlin/Java to read a native module, link a library, and fix a Gradle or Cocoa Pods build failure

Device permissions- Camera, location, storage, contacts, notifications - request flows and store-required justifications on both platforms

Push notifications - Firebase Cloud Messaging and APNs, token handling, foreground / background / killed-state behaviour, deep-link on tap

Local storage &offline-; Async Storage, MMKV, SQLite or WatermelonDB; offline-first behaviour and sync-on-reconnect

API integration -REST consumption, auth token refresh, retry and timeout handling, poor-network resilience

Debugging & profiling -Hermes, React DevTools, Flipper, Xcode Instruments, Android Studio Profiler, physical-device testing

Crash & analytics -Sentry or Firebase Crashlytics; Firebase Analytics / Mixpanel event tracking

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Mobile Development Engineer (React Native) (Mumbai)
🏢 E4 Software Services
📍 Mumbai