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Added 26 mins ago
Android Engineer
AgileGrid Solutions
Canada
Full-time
We are seeking a highly skilled Staff Android Engineer to join our dynamic team in Toronto, Canada. In this role, you will be instrumental in designing, developing, and maintaining our…
Added 26 mins ago
Data Platform Engineer
AgileGrid Solutions
Canada
Full-time
…healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of…
Added 26 mins ago
IAM System Engineer
Mindlance
Toronto, ON
$80 to $95 CAD / hour
Contract
Job Title: Senior IAM Systems Engineer - Advanced
Added 27 mins ago
Customer Success Engineer Pod Lead (AMER)
Tyk Technologies
Remote, Canada
Remote
The Tyk API Management platform is helping to drive the connected world and power new products and services. We’re changing the way that organisations connect any number of their systems…
Added 58 mins ago
Senior Machine Learning Engineer // Toronto, ON // Hybrid : FTE
AceStack
Toronto, ON
Full-time
We are seeking an experienced Senior Machine Learning Engineer to support the AI CoE’s Machine Learning and Data Science initiatives. The ideal candidate will have strong hands-on expertise…
Added 1 hour ago
Senior Network Engineer
Randstad Digital
Toronto, ON · Greater Toronto Area, Canada
Full-time
We are seeking a polished Senior / Lead Network Engineer to join our client’s team in a high-visibility, technical delivery and leadership role. In this position, you will own network…
Added 2 hours ago
Senior Data Engineer - Zonda - Toronto, Ontario
CoStar
Toronto, ON
$120,000 to $150,000 CAD / year
Full-time
The Senior Data Engineer is responsible for designing, building, and operating reliable, scalable data pipelines and data products across a modern cloud data platform.
Added 2 hours ago
Lead Mobile Engineer- React Native
AI Interviews
Toronto, ON · Greater Toronto Area, Canada
Full-time
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…
Added 2 hours ago
Senior Security Detection Engineer (Global Security)
Royal Bank of Canada
Toronto, ON
Full-time
The role of the Senior Security Detection Engineer is to provide specialized subject matter expertise for the Detection Engineering & Automation (DEA) team, for RBC's Global Cyber Security.…
Added 4 hours ago
Senior Data Engineer - Zonda - Toronto, Ontario
CoStar
Toronto, ON
$120,000 to $150,000 CAD / year
Full-time
The Senior Data Engineer is responsible for designing, building, and operating reliable, scalable data pipelines and data products across a modern cloud data platform.
Added 4 hours ago
Senior Data Platform Engineer - Zonda - Toronto, Ontario
CoStar
Toronto, ON
$140,000 to $170,000 CAD / year
Full-time
We are looking for a Senior Data Platform Engineer to design, automate, and operate the shared capabilities that underpin our enterprise data platform.
Added 4 hours ago
Senior Data Quality Engineer - Zonda - Toronto, Ontario
CoStar
Toronto, ON
$120,000 to $150,000 CAD / year
Full-time
We are looking for a Senior Data Quality Engineer to build and operate the testing and validation capabilities that ensure data delivered through our enterprise data platform is accurate,…
Added 7 hours ago
Team Lead, Darlington Engineering Services
Kinectrics
Pickering, ON
Full-time
Kinectrics is a wholly owned subsidiary of BWX Technologies focused on providing life cycle management services in the energy and utility sector. We develop innovative solutions for the…
Added 7 hours ago
Regional Manager – Engineering Operations and Business Development
Grade Separation Systems
Toronto, ON · North York, ON
Full-time
While this is not intended to be a primarily technical or project-delivery role, the successful candidate must have a strong technical or engineering background. This experience will allow…
Added 7 hours ago
Senior Project Coordinator – Architectural Envelope
AtkinsRéalis
Toronto, ON
Full-time
We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's'infrastructure and energy systems. Together,…
Added 7 hours ago
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
Full-time
We're on the hunt for a top-tier Embedded Software Engineer. Your focus will be on software development and maintenance required for both space and ground-based assets for a growing fleet…
Added 7 hours ago
Senior Project Coordinator – Architectural Envelope
AtkinsRéalis
Toronto, ON
Full-time
We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's'infrastructure and energy systems. Together,…
Added 7 hours ago
Senior Project Engineer - Systems Engineer
General Dynamics Missions System International
Ottawa, ON
$110,000 to $135,000 CAD / year
Full-time
Are you ready to steer a talented team of engineers toward success? We are currently looking for a Project Engineer with leadership skills to play a driving force behind cutting-edge…
Added 9 hours ago
Piping Engineer Level II
Worley
Markham, ON
Full-time
…for complex nuclear projects. Working under the guidance of senior engineers and technical leads, you will collaborate with multidisciplinary project teams and customers while upholding…
Added 9 hours ago
BUSINESS MANAGEMENT ANALYST
City of Toronto
Toronto, ON
…unit, you will provide client-focused, value-added advisory services and lead initiatives that support business, technology, financial, operational, performance, and risk management…
Added 10 hours ago
Senior SailPoint IIQ Engineer
Cognizant
Brampton, ON
Full-time
We are seeking a Lead SailPoint IdentityIQ Engineer with strong expertise in Identity Governance and Administration (IGA), SailPoint IdentityIQ implementation, and IAM operations. This role…
Added 10 hours ago
Civil Engineer-In-Training Municipal
McElhanney
Kamloops, BC
Full-time
Design and Reporting: Prepare and review technical reports, design drawings, cost estimates, specifications, and permit-related documentation under the guidance of senior engineers.
Added 10 hours ago
Junior Process Engineer Metallurgy (0 to 5 years)
BBA Consultants
Val-d'Or, QC
Full-time
Work with a team of skilled engineers, designers and project support staff under the supervision of a senior engineer
Added 11 hours ago
Senior Conveyance Engineer – Civil Engineering
WSP in Canada
Toronto, ON
Full-time
…the infrastructure that communities rely on every day. As a Senior Conveyance Engineer, you will lead the planning, design, and delivery of municipal water, wastewater, and stormwater…
Added 11 hours ago
Director - Enterprise Data Warehouse and Data Platforms
CGI
Ottawa, ON
Full-time
We are seeking a Director, Consulting Expert (DCE) – Enterprise Data Warehouse & Data Platforms to provide senior technical, solutioning, and client facing leadership

AI Interviews

Lead Mobile 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 own payment, identity, and push notification implementations. Lead code reviews, contribute to architecture decisions, pair with client engineers, and support knowledge transfer and hypercare self-sufficiency exercises.

Requirements

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

Skills

React Native
TypeScript
React Native New Architecture
Hermes
Expo
TanStack Query
Zustand
Detox
Apple Pay
Google Pay
Auth0
OIDC
APNs
FCM
Swift
Kotlin

Visa sponsorship

Not detected in the job text

Keywords

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

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