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Added 1 min ago
Talent Acquisition Specialist (Contract)
BIMM
Toronto, ON
…creativity to provide clients with high-performing campaigns and digital products that shape connected customer experiences. We’ve helped our clients implement fully integrated CRM customer…
Added 1 min ago
KI
Co-op/Intern Sales Operations
Kinaxis Inc.
Ottawa, ON
- Internship
In 1984, we started out as a team of three engineers. Today, we have grown to become a global organization with over 2000 employees around the world, 6 global office and a best-in-class HQ…
Added 15 mins ago
WS
Employment Consultant
WCG Services
Kelowna, BC
- Full-time
As a member of our strong and caring team, you will make a difference at the personal and community level by ensuring WorkBC clients achieve their employment goals and receive the best…
Added 31 mins ago
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Senior Manager, Store Experience & Services
sephora.com
Toronto, ON
- Full-time
…and client satisfaction. You’ll be part of a collaborative team that’s united in beauty and supported by partners across Retail, Marketing, Finance, Talent & Training, Digital, Brand…
Added 44 mins ago
VA
Veterinary Reception, Client Care, London Regional Veterinary Emergency & Referral Hospital
VCA Animal Hospitals
London, ON
- Internship
…Customer Service Representative, Veterinary Reception, to join our team in London, Ontario. This is an exceptional opportunity for an organized, motivated and empathetic individual to join…
Added 46 mins ago
M
Legal Counsel - Technology & Digital (Commercial Contracts)
MNP
Montreal, QC · Quebec, QC
- Full-time
Make an impact with our Legal & Risk Management team as Legal Counsel - Technology & Digital (Commercial Contracts). This diverse team of professionals provides legal expertise to support…
Added 46 mins ago
ZG
General Manager / Head of Vision Care Canada
ZEISS Group
Toronto, ON
- Full-time
…in the US and Canada alone! Make a difference, come join the…
Added 46 mins ago
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Director, Value Creation Private Markets
OPTrust
Toronto, ON
- Full-time
When you choose OPTrust, you join a team of smart, talented people who fuel our success and have a passion for pensions. Everyone at OPTrust – in Toronto, London and Sydney – makes a…
Added 46 mins ago
C
Client Service Representative [Hourly]
CIBC
Treherne, MB
- Part-time
At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are…
Added 46 mins ago
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Senior Technology Manager, Loan Servicing Technology
BMO
Toronto, ON · FCP
- Full-time
Lead, coach, mentor, and develop a team of technology professionals.
Added 46 mins ago
Software Developer (1 year contract)
Ricoh
Kitchener, ON
Ricoh's Global Solutions Engineering (GSE) group is expanding its scanning and image processing development team in Kitchener and has an opening for a Software Developer. GSE is part of the…
Added 46 mins ago
FC
Director, Product Strategy and Commercialization
Fidelity Canada
Mississauga, ON
- Full-time
The Director, Product Strategy and Commercialization will lead the commercial strategy for Fidelity’s digital investing platform, ensuring the Investly product roadmap, go-to-market…
Added 46 mins ago
Interfacility Transport Coordinator - VECTRS
Winnipeg Regional Health Authority
Winnipeg, MB
…caller information; communicate the information to the VECTRS team and dispatch information using a variety of digital tools and resources. The Interfacility Transport Coordinator must be…
Added 1 hour ago
KI
Intern Developer, Back End Technologies
Kinaxis Inc.
Ottawa, ON
- Internship
In 1984, we started out as a team of three engineers. Today, we have grown to become a global organization with over 2000 employees around the world, 6 global office and a best-in-class HQ…
Added 1 hour ago
AI
Student Intern - Natural Resources
Allianz Insurance
Toronto, ON
- $30 CAD / hour
- Full-time
Reporting to the Head of Energy and Construction Canada, the Intern will provide data entry and clerical support functions to the Natural Resources Underwriting Team.
Added 1 hour ago
AI
Student Intern - Marine
Allianz Insurance
Toronto, ON
- $30 CAD / hour
- Full-time
Reporting to the Head of Marine – Canada, the Intern will provide data entry and clerical support functions to the Marine Underwriting Team.
Added 1 hour ago
SE
IT Support Technician/Technicien de soutien informatique
Siemens Energy
Trois-Rivières, QC · Greater Trois-Rivieres Metropolitan Area
- Full-time
You will be part of a small team of IT experts. The team are the IT backbone of a dynamic manufacturing environment, working in a truly international setting.
Added 1 hour ago
Territory Sales Representative
Canadian Federation of Independent Business
Grande Prairie, AB
We are currently seeking a motivated and outgoing Territory Sales Representative to join our Grande Prairie team.
Added 1 hour ago
Senior Manager, Document Management Platforms (COR.TRANSFORM)
Symcor
Mississauga, ON
The Senior Manager, COR.TRANSFORM leads the team responsible for implementing, maintaining, and supporting Symcor’s Document Management platforms, ensuring solutions meet business,…
Added 1 hour ago
AH
50/50 Coordinator, MLSE Foundation
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Toronto, ON · Scotiabank Arena
- Full-time
We're more than a workplace. We are a team of passionate people, boldly building the future of sport and entertainment, together. We believe in the power of play, the strength of…
Added 1 hour ago
AH
50/50 Ambassador
Argonauts Holdings Limited Partnership
Toronto, ON · Scotiabank Arena
- Part-time
We're more than a workplace. We are a team of passionate people, boldly building the future of sport and entertainment, together. We believe in the power of play, the strength of…
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50/50 Staff Supervisor
Argonauts Holdings Limited Partnership
Toronto, ON · Scotiabank Arena
- Part-time
We're more than a workplace. We are a team of passionate people, boldly building the future of sport and entertainment, together. We believe in the power of play, the strength of…
Added 1 hour ago
IF
Wealth Enablement Digital Trainer
iA Financial Group
Toronto, ON · Montreal, QC · Quebec, QC
- Full-time
Are you driven by shaping and delivering digital transformation and modern learning experiences in wealth management and eager to contribute to the purpose of a company that aims to help…
Added 1 hour ago
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Manager, DtC (Retail/Ecomm) Data Analytics
Samsung Electronics
Mississauga, ON
- Full-time
…Operational KPIs) to optimize performance and measure the impact of digital programs, products, and customer experiences. This role involves designing and implementing digital reporting…
Added 1 hour ago
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Client Advisor
RBC
St. John's, NL
- Part-time
…goals. Whether you’re demonstrating to a client how to use digital banking, on-boarding a new client, or referring a complex opportunity to a specialist, your expertise will contribute to…

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.

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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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