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Added 13 mins ago
TR
Junior Accounting Analyst
Teck Resources Limited
Kamloops, BC
- Full-time
Excellent digital literacy and proficient with the Microsoft Office Suite; particularly Excel
Added 13 mins ago
SI
Lead, Digital Learning & Product Innovation
Sandbox Inc.
Toronto, ON
- Full-time
We are looking for a Digital Learning and Product Lead to guide our learning and digital product practice in close collaboration with our User Research & Service Design Lead. You will…
Added 14 mins ago
AI
Accounts Payable Manager
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- Full-time
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Added 14 mins ago
Associate Brand Manager
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Cambridge, ON
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Added 14 mins ago
ES
Senior Business Analyst
eHealth Saskatchewan
SK · Saskatchewan
- $45.73 to $55.64 CAD / hour
- Full-time
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Added 29 mins ago
Associate Director, Bain Academy
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Current or recent experience as a Bain consulting Senior Manager, with a rating of “Strong Impact/Contribution” or higher in your most recent professional development review, or…
Added 37 mins ago
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Product manager - marketing
Biomaterials Innovation Inc.
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- Full-time
- On-site
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Added 41 mins ago
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Site Reliability Engineer – CDN & Web Performance
Staffmax Staffing & Recruiting
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- Full-time
We are seeking an experienced Site Reliability Engineer (SRE) to support a new enterprise content management and digital experience platform for a leading financial services organization.
Added 41 mins ago
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Technical Project Manager
Randstad Enterprise
Montreal, QC
- Contract
Job Title - Technical Project/Program Manager
Added 41 mins ago
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Customer Experience Leader
Indigo
Milton, ON
- $18.95 to $23.25 CAD / hour
- Full-time
Indigo is a physical and digital place inspired by and filled with books, ideas, beautifully designed lifestyle products, and the creative people who help make it all happen. We believe in…
Added 43 mins ago
RC
Senior Manager, Human Resources - North America Commercial Teams (18-month Contract Role)
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- $130,000 to $140,000 CAD / year
…strengthen culture, engagement, leadership effectiveness, talent development, and…
Added 43 mins ago
Lead Client Partner, Financial Services
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Toronto, ON
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Added 59 mins ago
VP of Product, Sports (Legend)
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Added 1 hour ago
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- Full-time
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Added 1 hour ago
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Project Manager (Netsuite, Salesforce CPQ) - FTC until end of June 2027
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…their orders through the shop, and have ownership over the B2B digital accounts platform launching in Q4 of this…
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- Full-time
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Added 1 hour ago
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Senior Organizational Change Management Specialist – AI Transformation
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Added 1 hour ago
Project Manager Sr
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…and intelligent edge, we guide organizations through complex digital…
Added 1 hour ago
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Added 3 hours ago
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Patient Education Specialist - Patient Education, Odette Cancer Centre - Temporary full-time - 2026-18991 (2026-18991)
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- Full-time
Reporting to the Manager of Patient and Family Education, The Patient Education Specialist will lead and support patient education initiatives at the Odette Cancer Centre, including…
Added 3 hours ago
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IT Internal Auditor
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Supporting Senior Manager, IT Audit and other auditors in the development and execution of audit plans, operational reviews and project engagements.
Added 3 hours ago
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Banking Advisor
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- Full-time
…availability. This position reports to the Customer service Branch Manager or the Branch Manager. Every day, you will work with a team of a experts specialized in investment, credit,…
Added 3 hours ago
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5 years of experience in sales, business development, advertising, account management, marketing, or consulting.

Pentasia

Senior Mobile Engineer

Toronto, ON, Canada

$140,000 to $180,000 CAD / year · Full-time

Apply About employer

Applications open in a new tab.

Job details

Pay: $140,000 to $180,000 CAD / year
Job type: Full-time
Apply by: Nov 8, 2026
Experience: 4+ years of professional experience building and releasing mobile applications for both iOS and Android.
Posting language: English
Posted: Oct 9, 2026

Original job description

Senior React Native/Mobile Engineer

Location: Toronto, ON (Hybrid)

About the Opportunity

An innovative, early-stage technology company in the sports, gaming, and digital entertainment space is seeking a Senior React Native Engineer to help build and scale its mobile platform for sports and casino sweepstakes.

This is an opportunity to join a growing team where you'll influence product development, technical decisions, and mobile strategy while contributing to an ambitious product.

The Role

You'll lead the transition from a WebView-based architecture to a more native, high-performance React Native experience across iOS and Android. Working closely with engineering, product, and design teams, you'll improve the user journey, from onboarding to engagement and retention.

The ideal candidate combines strong mobile development expertise with a product mindset, thrives in a fast-paced startup environment, and enjoys tackling complex technical challenges.

Key Responsibilities

Drive the modernization of the mobile architecture, transitioning from WebView-dependent functionality toward a more native React Native application.
Develop, enhance, and maintain reliable, high-performance mobile applications across iOS and Android.
Partner with backend engineers to implement robust API integrations, real-time data flows, effective caching mechanisms, and resilient network communication.
Work alongside product managers and designers to deliver intuitive interfaces, smooth animations, native gestures, and polished mobile interactions.
Manage the end-to-end mobile deployment process, including release preparation, over-the-air updates, beta distribution, and publishing through the relevant app stores.
Track application performance and user behavior using tools such as Firebase, Google Tag Manager (GTM), and AppsFlyer, translating insights into technical and product improvements.
Define and improve mobile engineering standards, including code quality practices, automated testing, development tooling, and team workflows.
Identify performance bottlenecks, resolve technical issues, and continuously improve application stability, responsiveness, and maintainability.
Contribute to technical planning and product discussions, helping the team make informed decisions as the platform evolves.

Required Experience and Skills

4+ years of professional experience building and releasing mobile applications for both iOS and Android.
Advanced proficiency in React Native and TypeScript, with a track record of delivering production-ready applications.
Strong knowledge of mobile application architecture, navigation patterns, state management, and performance tuning.
Experience with mobile analytics, attribution, experimentation, push notifications, and app release management across App Store Connect and Google Play Console.
Strong troubleshooting skills, with expertise in mobile performance profiling, memory management, rendering optimization, and React Native bridge bottlenecks.
Experience building reliable mobile applications with backend integrations and real-time data, while maintaining a strong focus on usability and UI quality.
A proactive, adaptable team player with excellent communication skills, capable of working independently and influencing technical and product decisions in a fast-paced environment.

Additional Experience That Would Be Valuable

Previous work in iGaming, online casinos, sports betting, sweepstakes, fintech, or other consumer-facing products where real-time functionality is a big plus.
Experience improving onboarding flows, conversion rates, user activation, retention, or customer lifecycle engagement.
Familiarity with native mobile development using Swift, Kotlin, or both.
Involvement in feature discovery, product ideation, roadmap discussions, or broader technical strategy.
Exposure to mobile experimentation tools, user attribution solutions, and customer engagement platforms.

What the Company Offers

Competitive compensation aligned with experience and expertise.
Meaningful ownership of the mobile platform and the freedom to influence key technical decisions.
The chance to help shape a growing digital product and contribute to its long-term direction.
A collaborative, forward-thinking engineering environment that values initiative, innovation, and execution.
A hybrid working arrangement based in Toronto.
Team-building events, social activities, stipend-based benefits, and an engaged team culture.

Apply About employer

More about this job

Responsibilities

Modernize the mobile platform by transitioning from a WebView-dependent architecture to a high-performance React Native application for iOS and Android, while improving reliability, user experience, and app performance. Collaborate with engineering, product, and design teams on integrations, analytics, releases, engineering standards, and technical and product decisions.

Requirements

Requires at least four years of experience building and releasing mobile applications for iOS and Android, advanced React Native and TypeScript skills, and strong knowledge of mobile architecture, performance tuning, analytics, and release management. Candidates should be able to troubleshoot complex mobile issues, build reliable backend integrations, and communicate effectively while working independently in a fast-paced environment.

Skills

React Native
TypeScript
iOS
Android
Mobile Application Architecture
State Management
Performance Optimization
API Integration
Real-Time Data
Mobile Analytics
App Attribution
Push Notifications
App Release Management
Automated Testing
Swift
Kotlin

Benefits

Competitive Compensation
Ownership Of The Mobile Platform
Influence Over Technical Decisions
Hybrid Working Arrangement
Team-Building Events
Social Activities
Stipend-Based Benefits

Visa sponsorship

Not detected in the job text

Keywords

React Native
TypeScript
iOS
Android
WebView
Mobile Architecture
Navigation Patterns
State Management
Performance Profiling
Memory Management
Rendering Optimization
React Native Bridge
API Integration
Real-Time Data
Caching
Network Communication
Firebase
Google Tag Manager
AppsFlyer
Mobile Analytics
Attribution
Experimentation
Push Notifications
App Store Connect
Google Play Console
Over-The-Air Updates
Automated Testing
Swift
Kotlin
Sports Betting

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