zoho_recruit
Senior React Native Engineer - Canada
Zazz
Ontario, CAN
Full-time
Senior · 8+ years experience
Onsite
Discovered 2 weeks ago
React NativeReact Native 0.76+TypeScriptHermesExpo SDK 52TanStack Query
Free
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React NativeReact Native 0.76+TypeScript
Key Skills for This Role
React NativeReact Native 0.76+TypeScriptHermesExpo SDK 52TanStack Query
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Role summary.
Lead engineer on the delivery team.
Owns the highest-complexity screens and integrations.
Pairs with 407 ETR's engineers from sprint one for knowledge transfer.
Sets engineering patterns for the wider team.
Responsibilities.
- Deliver highest-complexity screens and integrations across three delivery waves.
- Set engineering patterns, reference implementations, and code standards for the team.
- Pair with the client's engineers on paired-programming and knowledge transfer.
- Own payment integration, Auth0 identity flow, and push notification architecture at code level.
- Lead pull request reviews.
- Contribute to Architecture Decision Records.
- Support the four self-sufficiency exercises during hypercare (deploy hotfix, onboard from KB, restore during simulated P1, extend using established patterns).
Must-have technical experience
- 8 + years mobile engineering, minimum 5 years hands-on React Native in production.
- Direct production experience with React Native 0.76+ and the New Architecture (Bridgeless, TurboModules , Fabric).
- Strong TypeScript, comfortable with strict mode.
- Hands-on with Hermes engine and Expo SDK 52 prebuild.
- Direct experience with TanStack Query and Zustand .
- Detox authorship for end-to-end mobile tests, both iOS and Android.
- Prior integration of Apple Pay and Google Pay ( tokenised payment handles).
- Prior integration of Auth0 or equivalent OIDC identity in mobile.
- Prior implementation of APNs and FCM push notifications, including token migration on version upgrades.
- Universal Links and App Links deep-link routing.
Native platform expertise (required).
- Comfortable reading and writing native iOS (Swift or Objective-C) and native Android (Kotlin or Java) at the level required to author or maintain TurboModules bridging native SDKs into React Native.
- Prior experience with iOS Keychain and Android Keystore for secure token storage.
Migration and replatform experience (required).
- Direct experience on at least one mobile replatform from native to React Native, in production.
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