React Native Engineer

Just Eat Takeaway.com•Canada, ON Remote, ON

1d•CA$79,440 - CA$100,000•Remote

About The Position

We're growing the team behind our Restaurant tablet app (iOS & Android) - a solution used every day on tablets in live restaurants in Canada. (Android-first: ~90% Android tablets, ~10% iPad; primary market: Skip Canada). Orders are received and processed in real time, so the stability and quality of the app directly impact our partners' day-to-day operations. As a React Native Developer, you'll contribute across the full product lifecycle from designing new functionality through to release and production support as part of a distributed, collaborative team.

Requirements

Proven commercial experience building React Native apps that have shipped to production.
Experience configuring and managing releases (Fastlane, App Store / TestFlight, Google Play, Firebase App Distribution).
Strong TypeScript skills (strict mode, generics, robust typing, typed Redux).
Solid understanding of React and its ecosystem: hooks, state management, performance and re-render optimization.
Hands-on experience with Redux Toolkit (createSlice, createAsyncThunk, selectors).
Experience integrating REST APIs (Axios) and handling asynchronous operations.
Experience working with real-time data (WebSockets and/or Pusher).
Strong debugging skills across JavaScript and native logs; experience with error-monitoring tools (Sentry).
Experience writing automated tests (Jest, React Native Testing Library).
Proficiency with Git and a healthy code-review culture.

Nice To Haves

Experience with CodePush / OTA updates (staged rollouts, rollbacks, version targeting).
Experience with CI/CD pipelines (GitHub Actions).
Experience developing native modules and working with native code (Android — Kotlin/Java, Gradle; iOS — Swift/Objective-C, CocoaPods).
Experience with the Firebase suite (Analytics, Crashlytics, Performance, Remote Config).
Experience with OAuth2 / Keycloak and secure storage (Keychain).
Experience with end-to-end testing (Detox).
Experience integrating with hardware (receipt/thermal printers, maps, peripheral devices).

Responsibilities

Build and maintain features for our mobile application using React Native and TypeScript.
Design and implement reusable components and business logic in line with our architecture standards.
Integrate with REST APIs and handle real-time data (WebSockets, Pusher).
Write and maintain unit and component tests (Jest, React Native Testing Library).
Diagnose and resolve defects, including analyzing errors and crashes in Sentry.
Participate in code reviews and help maintain a clean, consistent codebase.
Contribute to the release cycle, including shipping over-the-air (OTA) updates via CodePush.
Collaborate with engineering, QA, and product partners in an async-friendly, distributed setting.