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Technical Architect (React Native)

Zazz Lincoln, Ontario, Canada

IT Services and IT Consulting · 501-1,000 employees

13 h ago
react Principal (10+ yrs) Full-time Canada
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About the role

The Technical Architect will lead the architecture design for a live production mobile app replatform, focusing on React Native New Architecture. They will chair joint architecture forums, define CI/CD pipeline strategies, and guide engineering teams through complex migration phases.

What they look for

React Native Mobile Architecture TurboModules Fabric Bridgeless Architecture Hermes iOS Android Auth0 OIDC Apple Pay Google Pay AWS CI/CD Jenkins Mobile Replatforming

Requirements

Candidates must have over 8 years of mobile engineering experience, including at least 4 years of hands-on React Native development. Proven experience with mobile replatforming, native SDK integration, and cloud deployment in the Canadian region is required.

Full description

Role summary. Owns the architecture for a live production replatform of a regulated customer-facing mobile app. Leads Discovery and Architect phases, chairs the fortnightly architecture forum with the client's technical leads, and signs Architecture Decision Records jointly.

Responsibilities.

  • Lead architecture design for React Native 0.76+ New Architecture (Bridgeless, TurboModules, Fabric).
  • Author Architecture Decision Records covering native module strategy, offline behaviour, telemetry, and integration patterns.
  • Chair fortnightly joint architecture forum with 407 ETR's architects.
  • Run native SDK compatibility spikes during Discovery.
  • Define CI/CD pipeline architecture across the 8-stage Jenkins gate discipline.
  • Guide the Senior React Native Engineer on pattern setting in early sprints.

Must-have technical experience.

  • 8+ years mobile engineering, minimum 4 years hands-on React Native.
  • Direct production experience with React Native New Architecture (Bridgeless, TurboModules, Fabric) and Hermes.
  • Experience authoring TurboModules to bridge native iOS and Android SDKs into React Native.
  • Prior integration of Auth0 (or equivalent OIDC identity provider) in mobile clients.
  • Prior integration of Apple Pay and Google Pay through tokenised payment handles.
  • Experience with push notification architecture (APNs and FCM) and deep-link routing (Universal Links, App Links).
  • Familiar with AWS Canadian region deployment and residency enforcement (SCPs, KMS, region-scoped services).

Migration and replatform experience (required)

  • Direct experience with at least one mobile replatform from native iOS and Android to React Native, preferably a live production app with a substantial existing user base.
  • Understanding of the four mobile-side migrations at replatform launch: auth token, push notification token, cached data, deep-link continuity.

Industry background (preferred).

  • Prior work on Ontario or Canadian public-sector, financial services, or transportation mobile applications.
  • Familiarity with PIPEDA, AODA, and WCAG 2.2 AA delivery contexts.
  • Exposure to SAFe or scaled agile delivery frameworks.

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