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Added 4 days ago
Quality Assurance Engineer
Envision Technology Solutions
Toronto, ON
Full-time
Mobile testing experience using Android Studio and Xcode
Added 4 days ago
Senior Quality Engineer
DynPro Inc.
Toronto, ON
$55 to $60 CAD / hour
Contract
We are looking for a curious, detail-oriented Senior Quality Engineer with strong hands-on experience in manual/exploratory testing, native mobile testing, API testing, and test automation.
Added 4 days ago
QA Lead, Mobile Test Automation
Range
Toronto, ON
Build and own a mobile UI test automation framework using Appium and WebdriverIO with TypeScript, covering iOS and Android.
Added 5 days ago
Quality Assurance Engineer
VySystems
Toronto, ON
Contract
WE ARE HIRING | QA Engineer | Toronto, ON (Onsite)
Added 5 days ago
Deskside Support Technician
Hays
Richmond Hill, ON
Contract
We are seeking an experienced MS Customer Engineer to provide onsite end-user and desktop support services in a fast-paced manufacturing environment. The successful candidate will be…
Added 1 month ago
Desktop Engineer
George Brown Polytechnic
Toronto, ON
Ecosystem supporting Windows, Apple (MacOS, IOS), and Android-based user-facing
Added 6 days ago
QA Lead, Mobile Test Automation
Kensington
Toronto, ON
Build and own a mobile UI test automation framework using Appium and WebdriverIO with TypeScript, covering iOS and Android.
Added 11 days ago
Mobile Software Engineer Intern/Co-op (Winter 2027)
TD
Toronto, ON
Full-time
You will have the opportunity to work as a Software Engineer on our Mobile platforms, which includes iOS software engineering as well as Android Software engineering.
Added 16 days ago
Software Engineer - Viewer
Peripheral
Toronto, ON
Full-time
We're seeking a Junior Fullstack Software Engineer to help build the viewing experience for Peripheral's platform, the interface people use to explore and interact with the 3D…
Added 12 days ago
Associate, Software Engineer, New Grad Card Expansion
Capital One
Toronto, ON
Full-time
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Associate, Software Engineer, New Grad Card Expansion
Added 22 days ago
Software Development Engineer - Mobile
Wagepoint
Remote, Canada
$100,000 to $130,000 CAD / year
Full-time · Remote
We're looking for a talented Software Development Engineer - Mobile who enjoys tackling hard problems and wants to create meaningful impact for small businesses across Canada. As a Mobile…
Added 24 days ago
Senior Software Engineer (Contract)
Kabam
Vancouver, BC
Contract
We are looking for a Frontend Senior Software Engineer to join us on a contract for for an unannounced project with a large IP partner. The key function of the Senior Software Engineer is…
Added 13 days ago
Senior Software Engineer, QA
Unity Technologies
Montreal, QC · CAN-Montreal
Full-time
We are seeking a Senior Quality Engineer to join a newly established engineering team within the Unity Platforms Organization. This team is responsible for delivering Unity platform support…
Added 26 days ago
Software Engineer – Mobile (React Native)
Haventree Bank
Toronto, ON
Full-time
…build exceptional native mobile experiences for our iOS and Android banking applications. In this role, you will be responsible for delivering high-quality, performance-optimized mobile…
Added 28 days ago
Project Engineer
BRP
Valcourt, QC
Full-time
We are looking for a Connected Vehicle Project Engineer reporting to the Connected Vehicle Project Manager to help us develop new electronic modules. In this role, you will play a key part…
Added 1 month ago
Sales Engineer (Bilingual - French)
SOTI
Mississauga, ON
Full-time
Job Title: Sales Engineer (Bilingual - French)
Added 1 month ago
Software Development Engineer - Mobile Shopping, Builder Acceleration
Amazon
Vancouver, BC
As a Software Development Engineer on our team you will design, implement, and support robust and stable critical solutions impacting daily life of hundreds of teams across Amazon and…
Added 1 month ago
Design Engineer III
eBay
Toronto, ON
Full-time
eBay Design seeks a versatile Design Engineer experienced in collaborating with design teams to develop internal tools and enterprise products. Comfortable across various web and native…
Added 1 month ago
Embedded Engineer – AI System Architecture
Huawei Technologies Canada Co., Ltd.
Edmonton, AB
Contract
Huawei Canada has an immediate 12-month contract opening for an Embedded Engineer.
Added 2 months ago
Software Development Engineer in Test
Magnet Forensics
Toronto, ON · Ottawa, ON · Waterloo, ON
Full-time
We are looking for a Software Development Engineer in Test (SDET) to join our team who will be responsible for ensuring the quality of deliverables throughout the software development…
Added 3 months ago
Automation and Service Desk Specialist
Ontario Medical Association
Toronto, ON
Full-time
Microsoft Certified: Azure AI Engineer Associate (AI-102)
Added 4 months ago
AI Product Engineer, Games
Puzzle Cats
Remote, Canada
Full-time · Remote
We’re looking for an AI Product Engineer who wants to build something big and move fast. This is a hands-on, highly product-oriented role for someone who wants to invent, ship, and scale…
Added 5 months ago
Staff AI Software Engineer (C++)
Qualcomm
Markham, ON
Full-time
…smarter, connected future for all. As a Qualcomm Machine Learning Engineer, you will create and implement machine learning techniques, frameworks, and tools that enable the efficient…
Added 5 months ago
Agentic AI/ Edge Computing SW Engineer
Zebra Technologies
Mississauga, Ontario
Full-time
As the Agentic AI/ Edge Computing SW Engineer, you will help build the next generation of intelligent systems that bridge our hardware products with sophisticated backend AI processing. You…
Added 5 months ago
Software Quality Assurance and Automation Test Engineer-Automotive Infotainment
CIeNET International
Markham, Ontario
Full-time
Position: Software Quality Assurance and Automation Test Engineer - Automotive Infotainment

Zazz

Lead React Native Engineer - Canada

Vaughan, ON, Canada
Woodbridge South, ON, Canada

Job type: Full-time
Posting language: English
Posted: Aug 19, 2026

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Original job description

Role summary. Lead engineer on the delivery team. Owns the highest-complexity screens and integrations.

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

The lead engineer will own high-complexity screens and integrations while setting engineering patterns and code standards for the delivery team. They are responsible for leading pull request reviews, contributing to architecture decisions, and supporting hypercare exercises.

Requirements

Candidates must have over 8 years of mobile engineering experience, including at least 5 years of hands-on production experience with React Native. Proficiency in native iOS and Android development, along with experience in mobile replatforming and secure token storage, is required.

Skills

React Native
TypeScript
Swift
Objective-C
Kotlin
Java
Hermes Engine
Expo SDK
TanStack Query
Zustand
Detox
Auth0
Apple Pay
Google Pay
APNs
FCM

Visa sponsorship

Not detected in the job text

Keywords

React Native
TypeScript
Mobile Engineering
Swift
Objective-C
Kotlin
Java
Hermes
Expo SDK
TanStack Query
Zustand
Detox
Auth0
OIDC
APNs
FCM
Apple Pay
Google Pay
Universal Links
App Links
TurboModules
Fabric
Bridgeless
Replatforming
Accessibility
WCAG
Architecture Decision Records
Hypercare
iOS Keychain
Android Keystore

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