Zazz

React Native Engineer - Canada

Posted 2 Days Ago

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Hiring Remotely in Woodbridge, ON, CAN

Remote

Senior level

Virtual Reality

The Role

Contributes to React Native mobile delivery across multiple waves, owning lower-complexity screens and shared components. Implements unit, component, and Detox end-to-end tests while meeting CI coverage requirements. Participates in paired development and pull request reviews, following established engineering patterns. Requires strong TypeScript and production React Native experience, with familiarity across the New Architecture, Hermes, modern React patterns, and state management. Native iOS and Android debugging, migration experience, and regulated mobile product experience are preferred.

Summary Generated by Built In

Role summary. Delivery engineer contributing across the three delivery waves under the guidance of the Senior React Native Engineer. Owns lower-complexity screens, contributes to shared components, participates in paired development with client's team.

Responsibilities.

Deliver screens and features across the three delivery waves.

Follow patterns set by the Senior Engineer and Technical Architect.

Write unit and component tests to meet the 75% coverage gate enforced in CI.

Contribute to Detox end-to-end test suites.

Participate in pull request reviews.

Must-have technical experience.

5+ years mobile engineering, minimum 3 years hands-on React Native in production.

Solid TypeScript.

Familiar with React Native 0.76+ and the New Architecture — understanding of Bridgeless, TurboModules, Fabric even if not architect-level authorship.

Fluent with Hermes and modern React patterns (hooks, composition, suspense).

Comfortable with TanStack Query and Zustand, or equivalent state management.

Test authorship experience with Jest, React Testing Library, and Detox.

Native platform expertise (preferred, not required).

Basic ability to read native iOS and Android code to debug or modify existing modules. Not expected to author complex TurboModules from scratch.

Migration and replatform experience (preferred).

Any prior involvement in a React Native migration or feature-parity rebuild is a strong plus.

Industry background (preferred).

Prior work on payment flows, account management, or public-facing regulated mobile.

Skills Required

5+ years of mobile engineering experience
At least 3 years of hands-on React Native production experience
Solid TypeScript skills
Familiarity with React Native 0.76+ and the New Architecture, including Bridgeless, TurboModules, and Fabric
Fluency with Hermes and modern React patterns, including hooks, composition, and Suspense
Experience with TanStack Query and Zustand, or equivalent state management
Test authorship experience with Jest, React Testing Library, and Detox
Basic ability to read native iOS and Android code to debug or modify existing modules
Prior React Native migration or feature-parity rebuild experience
Experience with payment flows, account management, or public-facing regulated mobile products