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Added 3 mins ago
Electrical Instrumentation and Controls Eng.
CEM Engineering
Burlington, ON · Calgary, AB · ON
$115,000 to $130,000 CAD / year
Full-time
…projects, and we are looking for someone who possesses both technical expertise and a passion for sustainability. You will have the opportunity to lead and contribute to projects that make…
Added 3 mins ago
Machine Operator
MACLEAN ENGINEERING & MARKETING CO. LIMITED
Southgate, ON
$21 to $25 CAD / hour
Full-time
Read and interpret drawings, specifications, or follow verbal instructions of Lead Hand or Supervisor with minimal supervision.
Added 3 mins ago
AI Product Owner
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WGI Group
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Full-time
Lead the numbers. Develop the team. Help shape the business.
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Associate Director, Business Risk Management - Toronto, ON
Scotiabank
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Lead and support the execution of global programs designed to assess non-financial risks and evaluate control effectiveness within the business, including Compliance Risk and Control…
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Lead insightful client conversations leveraging financial analysis and market knowledge to uncover opportunities.
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Coordinate and schedule in-house technician training to support ongoing technical development and compliance with certification standards.
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Women's Volleyball Coach & Athletics Coordinator
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The overall purpose of this job is twofold: (1) To lead the Women’s Volleyball program, ensuring competitive excellence, high academic standards, and the holistic development of…
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Enterprise Systems Team Lead
Okanagan College
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Piping Supervisor
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Calgary, AB
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Kent is looking for a Piping Supervisor to lead the Piping Design team in Calgary, Alberta. The successful candidate will provide day-to-day people leadership and technical oversight while…
Added 3 mins ago
Quality Assurance Lead in Test
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We are seeking a highly skilled Lead Quality Assurance in Test with extensive experience in all aspects of software testing throughout the SDLC. In this role, you will be responsible for…
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Business Development Manager
Fire safety and protection LLC
Ottawa, ON
$75,000 to $95,000 CAD / year
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…a natural next step for those who have served. FSP accepts technical certification credit for military experience in relevant…
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Data Scientist III
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The Business Banking AI2 team is responsible for leveraging a diverse range of technical and business expertise including business analytics, data science and modelling, business…
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Senior Manager, TMX Information Processor
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The Senior Manager, TMX Information Processor acts as the operational lead and strategic steward for the TMX Information Processor (IP), ensuring the platform fulfills its vital mandate as…
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Product Owner (Field Services)
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Fredericton, NB · Woodstock, NB · Cornwall, ON · Markham, ON · Calgary, AB
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$50,000 to $55,000 CAD / year
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Work with suppliers to obtain pricing and lead times for quote packages
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Sr Digital Delivery Analyst – SAP
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Added 3 mins ago
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…improvement across the finance function. This is an opportunity to lead a talented team, influence financial decision-making, and make a meaningful impact on an organization that values…
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Senior Technical Lead
The Canada Life Assurance Company
Winnipeg, MB · London, ON · Toronto, ON · Regina, SK
The Senior Technical Lead is a customer first individual accountable for the vision and execution of their portfolio. The role covers all aspects of the software development lifecycle.…
Added 3 mins ago
Technical Delivery Lead
The Canada Life Assurance Company
Winnipeg, MB · London, ON · Toronto, ON
The Technical Lead is a customer first individual accountable for the vision and execution of their portfolio. The role covers all aspects of the software development lifecycle. Success is…
Added 3 mins ago
Director, Digital Marketing & Web Experience
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Shape the Future: Lead in redefining revenue optimization.
Added 15 mins ago
Executive Chef
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…of a talented Director of Culinary, the Executive Chef will lead the Head Chefs and culinary teams, manage kitchen operations, and maintain cost controls while upholding health and safety…
Added 15 mins ago
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AI Interviews

Principal Software Engineer- React Native

Toronto, ON, Canada
Greater Toronto Area, Canada, Canada

Job type: Full-time
Apply by: Oct 29, 2026
Posting language: English
Posted: Sep 29, 2026

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Original job description

Role summary

We are seeking a Senior/Lead React Native Engineer with 8+ years of mobile engineering and 5+ years of production React Native experience.Strong expertise in React Native 0.76+, New Architecture (Bridgeless, TurboModules, Fabric), Hermes, Expo, and TypeScript is required.Hands-on experience with TanStack Query, Zustand, and Detox for iOS/Android E2E testing is essential.Experience integrating Apple Pay, Google Pay, Auth0/OIDC, APNs, and FCM is required.Strong knowledge of Universal Links, App Links, deep linking, and mobile token migration is expected.The ideal candidate should be hands-on, technically strong, and experienced in delivering production-grade mobile applications.

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.
Understanding of auth token migration, push token re-registration, cached data reconciliation on first launch after replatform.

Industry background (preferred).

Regulated Canadian mobile experience (public sector, transportation, financial services).
Bilingual (English and French) app delivery experience.
WCAG 2.1 or 2.2 accessibility delivery.

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More about this job

Responsibilities

Deliver complex mobile screens and integrations, establish engineering patterns and code standards, and lead code reviews and architecture decision records. Own payment, identity, and push notification implementations, pair with client engineers for knowledge transfer, and support self-sufficiency exercises during hypercare.

Requirements

Requires at least 8 years of mobile engineering experience, including 5 years of production React Native experience, with hands-on expertise in React Native 0.76+, its New Architecture, TypeScript, Expo, and mobile testing. Candidates must also have native iOS and Android development skills, payment and identity integrations, push notifications and deep linking experience, secure token storage knowledge, and production mobile replatforming experience.

Skills

React Native
TypeScript
React Native New Architecture
Hermes
Expo
TanStack Query
Zustand
Detox
Swift
Kotlin
Apple Pay
Google Pay
Auth0
APNs
Firebase Cloud Messaging
Mobile Replatforming

Visa sponsorship

Not detected in the job text

Keywords

React Native 0.76+
Bridgeless
TurboModules
Fabric
Hermes
Expo SDK 52
TypeScript
TanStack Query
Zustand
Detox
iOS
Android
Swift
Objective-C
Kotlin
Java
Apple Pay
Google Pay
Auth0
OIDC
APNs
Firebase Cloud Messaging
Universal Links
App Links
Deep Linking
iOS Keychain
Android Keystore
Mobile Replatforming
Architecture Decision Records
WCAG 2.1/2.2

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