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Added 1 min ago
Manufacturing and Design Engineer
EM Dynamics
Toronto, ON · Scarborough, ON
Full-time
The Manufacturing and Design Engineer will participate as an integral member of our Engineering team in defining designs in SolidWorks for new and existing products utilizing best DFM/DFA…
Added 1 min ago
Software Engineer II
TD
Toronto, ON
Full-time
…programming consistent with standards; provide code maintenance and support during testing cycles and post-production deployment and participate in reviewing peer…
Added 16 mins ago
Head of Software & Perception
SkyCan Systems
Toronto, ON
Full-time
…focus is on combining combat-proven technology with domestic production, secure supply, and long-term support to strengthen Canada’s defence industrial base and serve allied defence…
Added 16 mins ago
Manufacturing Engineer
Expand Reach Inc.
Aurora, ON
Full-time
Cross-Functional Leadership: Lead cross-functional projects involving Engineering, Production, Quality, Supply Chain, and suppliers to support product lifecycle improvements and cost…
Added 16 mins ago
Sr SAP SuccessFactors Engineer
InfiCare Staffing
Toronto, ON · Greater Toronto Area, Canada
Contract
The EMEA Senior SAP SuccessFactors Consultant is responsible for providing expert BAU support, L3 issue resolution, and continuous improvement for Colliers’ SAP SuccessFactors landscape…
Added 17 mins ago
ICT/Security Business Class Lead
HDR
Toronto, ON
Full-time
…to dynamic commercial environments, your work will directly support technological advancement, sustainability, and human experience. We bring together mechanical, electrical, structural,…
Added 46 mins ago
Propulsion Engineer
SR Staffing
Montreal, QC
$75,000 to $150,000 CAD / year
Full-time
The Propulsion Engineer provides technical engineering support for CFM56 engine maintenance, repair, and overhaul (MRO) activities. This role works closely with production teams to…
Added 1 hour ago
Senior Civil Engineer
Stantec
Vancouver, BC
Full-time
Stantec’s Energy & Resources Civil Delivery Center is seeking a Senior Civil Engineer to provide technical leadership and project delivery across a broad portfolio of projects. In this…
Added 3 hours ago
Observability Specialist
Wave Mobile Money
Canada
Full-time
As an Observability Engineer at Wave, you will help engineers understand, operate, debug, and improve the systems that power payments for millions of users across Africa.
Added 3 hours ago
Manufacturing Engineer (Contract)
Husky Technologies
Bolton, ON
Full-time
…attracted to bold goals, believe in uncompromising honesty, support mutual respect, care about environmental responsibility, have a passion for excellence and a desire to make a positive…
Added 3 hours ago
Designer, Development (Service)
Husky Technologies
Bolton, ON
Full-time
…attracted to bold goals, believe in uncompromising honesty, support mutual respect, care about environmental responsibility, have a passion for excellence and a desire to make a positive…
Added 3 hours ago
Senior Software Engineer- React Native
AI Interviews
Toronto, ON · Greater Toronto and Hamilton Area, ON
Full-time
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.
Added 4 hours ago
Staff AI Engineer (Global Security)
Royal Bank of Canada
Toronto, ON
Full-time
…to rich and massive datasets and computational resources to support development in agentic AI systems, LLM applications, and intelligent security platforms. The role involves strategic…
Added 4 hours ago
Software Engineer – MLOPS
Ubisoft
Montreal, QC
Full-time
As a Machine Learning Operations Software Engineer at Ubisoft Montréal, you will help build reliable and scalable systems that protect the trust and safety of our players.
Added 7 hours ago
Senior Mine Engineer
Foran Mining Corporation
SK
Full-time
The Senior Mine Engineer is responsible for supervising the engineering team, reviewing engineering work prior to issuance, and mentoring junior members of the engineering team. The Senior…
Added 7 hours ago
Mine Engineer
Foran Mining Corporation
SK
Full-time
The Mine Engineer reports to the Senior Mine Engineer and is responsible for carrying out a wide range of engineering functions, including, but not limited to mine planning, drill and…
Added 7 hours ago
Technical Consultant (Data & AI)
Fastloop
Vancouver, BC
Full-time
…of Data and AI. We leverage cutting-edge AI to build custom, production-grade systems for our clients. We move fast, learn faster, and believe grit beats polish every time. We ship real…
Added 7 hours ago
Senior Software Engineer
AltaML
Toronto, ON
$130,000 to $150,000 CAD / year
Full-time
We overpay for the right people. We'd rather pay a premium for an engineer who embodies this and multiplies the team than save money on someone who doesn't
Added 7 hours ago
Senior Software Engineer
Hire Rightt - Executive Search & HR Advisory
Toronto, ON
Contract
Work across the full Software Development Life Cycle (SDLC), from technical design and development through testing, deployment, and production support.
Added 8 hours ago
Senior React Native Engineer-Canada
Zazz
Toronto, ON · Greater Toronto Area, Canada
Full-time
Role summary. Lead engineer on the delivery team. Owns the highest-complexity screens and integrations.
Added 9 hours ago
Manufacturing Engineer (Contract)
Husky Technologies
Bolton, ON
Full-time
…attracted to bold goals, believe in uncompromising honesty, support mutual respect, care about environmental responsibility, have a passion for excellence and a desire to make a positive…
Added 9 hours ago
Order Manager - Electrification & Automation
Siemens
Oakville, ON
Full-time
Support Project Managers in execution of the projects.
Added 9 hours ago
Designer, Development (Service)
Husky Technologies
Bolton, ON
Full-time
…attracted to bold goals, believe in uncompromising honesty, support mutual respect, care about environmental responsibility, have a passion for excellence and a desire to make a positive…
Added 9 hours ago
Co-op, Electrical Engineer
Nutrien
Redwater, AB
Internship
Through the collective expertise of our nearly 26,000 employees, we operate a world-class network of production, distribution, and ag retail facilities. We efficiently serve growers' needs…
Added 9 hours ago
Co-op, Mechanical Engineer
Nutrien
Dalemead, AB
Internship
Through the collective expertise of our nearly 26,000 employees, we operate a world-class network of production, distribution, and ag retail facilities. We efficiently serve growers' needs…

Zazz

Senior React Native Engineer-Canada

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

Job type: Full-time
Apply by: Oct 25, 2026
Posting language: English
Posted: Sep 25, 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

Lead delivery of the most complex React Native screens and integrations across three delivery waves, while establishing engineering patterns, reference implementations, and code standards. Own payment, identity, and push notification integrations; review pull requests, contribute to architecture decisions, pair with client engineers, and support hypercare self-sufficiency exercises.

Requirements

Requires at least eight years of mobile engineering experience, including five years of production React Native experience and hands-on work with React Native 0.76+ and its New Architecture. Candidates must also have native iOS and Android development expertise, production replatforming experience, and experience with payments, identity, push notifications, secure token storage, and mobile end-to-end testing.

Skills

React Native
TypeScript
React Native New Architecture
Swift
Objective-C
Kotlin
Java
TurboModules
Fabric
Hermes
Expo
TanStack Query
Zustand
Detox
Apple Pay and Google Pay
Auth0 and OIDC

Visa sponsorship

Not detected in the job text

Keywords

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

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