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Added 1 hour ago
NF
Lead Project Engineer
New Flyer
Winnipeg, MB
- Full-time
…from design stage to its implementation and potentially to production launch. Will report directly to the Project Engineering…
Added 1 hour ago
FI
Principal Software Engineer - Zynque
Fulfillment IQ
Toronto, ON
- Full-time
Zynque is FIQ's integration platform (iPaaS) for supply chain and logistics. After a year of development, it is live in production with active customers onboarding, and it now needs to grow…
Added 1 hour ago
AA
General Manager - Collision (Halifax Downtown)
Assured Automotive
Halifax, NS
- Full-time
…in collision and glass services. As we continue to grow and lead the industry, we ensure you have the resources and the team behind you to move your career…
Added 1 hour ago
V
AI Onboarding & Implementation Specialist
Voxira
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
Deliver client training and lead go-live activities.
Added 1 hour ago
AR
Project Manager
Aliant Resources
ON · Peel, ON
- Contract
Participate on large complex projects and assume lead responsibilities for assigned deliverables.
Added 1 hour ago
E
Senior DevOps Engineer
emergiTEL
Toronto, ON · Etobicoke, ON
- Full-time
…posture, observability, and infrastructure governance across production and regulated…
Added 1 hour ago
FN
Senior Application Developer, IT
First National Financial LP
Toronto, ON · East York, ON
- Full-time
Strong technical skills and hands on development and production support experience with legacy mortgage administration systems.
Added 1 hour ago
E
Technical Program Manager – Retail Technology
E-Solutions
Vancouver, BC
- Full-time
Lead executive-level response to critical production incidents affecting global planning and allocation systems.
Added 1 hour ago
CB
Production Manager (Night Shift)
Canadian Bank Note Company
Ottawa, ON
- $65,000 to $81,000 CAD / year
- Full-time
The night shift Production Manager will lead our night shift operations across print and finishing in a high-security, high-precision manufacturing environment. This is a critical…
Added 1 hour ago
Cycle Count Inventory Analyst
Phantom Screens
Abbotsford, BC
This isn't just a counting job. You'll be the go-to person for inventory accuracy, working closely with Materials, Production, and Purchasing to keep things running smoothly and make them…
Added 1 hour ago
WE
Senior Manager, HPIbet Product Operations, Platform & Compliance
Woodbine Entertainment
Toronto, ON · Woodbine HQ
- Full-time
Lead business UAT, acceptance criteria, stakeholder testing, and business sign-off.
Added 1 hour ago
W
Lead Professional, Welding Engineering
WSP
Cambridge, ON
- Full-time
Act as the welding engineering lead, collaborating with quality assurance, engineering, production, and other cross-functional teams to troubleshoot and resolve non-conforming conditions.
Added 1 hour ago
NF
Wellness Operations Manager
Nature's Fare Markets
Surrey, BC
- Full-time
Lead a semi-annual review and presentation to the leadership team on emerging nutritional science, regulatory developments, industry trends, customer concerns, and recommended changes to…
Added 1 hour ago
C
Senior Java Engineer Tech Lead - Vice President
Citi
Mississauga, ON
- Full-time
We are seeking an experienced Senior Java Engineer, Tech Lead with strong expertise in Java, Apache Spark, Hadoop ecosystem, Hive, Databricks, and large-scale data processing platforms. The…
Added 1 hour ago
M
Graphic Designer
MDPI
Toronto, ON
- Full-time
Prepare artwork for both digital and print production while following relevant technical specifications;
Added 1 hour ago
BG
General Manager - Collision (Halifax Downtown)
Boyd Group Services
Halifax, NS
- Full-time
…in collision and glass services. As we continue to grow and lead the industry, we ensure you have the resources and the team behind you to move your career…
Added 1 hour ago
JI
Yardman Lift Truck Driver
J.D. Irving, Limited
Chatham-Kent, ON · Wheatley, NB
- Full-time
Experience in a food production facility is considered an asset.
Added 1 hour ago
BC
Content Producer
Banff Centre for Arts and Creativity
Banff, AB · AB- Banff, Alberta
- Full-time
The Content Producer plays a key role in the development and delivery of leading-edge content creation and production. They will be the videographer and editor for many of the team’s…
Added 1 hour ago
NG
Millwright - 14/14
New Gold Inc.
Emo, ON
- Full-time
…Columbia, Canada. In addition, Coeur owns the Silvertip silver-zinc-lead exploration project in British…
Added 1 hour ago
AC
Senior Product Development Engineer – Liquid Cooling
Amphenol Communications Solutions
Markham, ON
- Full-time
Lead cross-functional development projects from concept through production.
Added 1 hour ago
AC
Product Development Engineer - Mechanical Design For Liquid Cooling
Amphenol Communications Solutions
Markham, ON
- Full-time
…components and assemblies from concept through qualification and production. You will develop cold plates, integrated cage and cooling assemblies, and related mechanical solutions,…
Added 1 hour ago
MG
Ingénieur(e) d'usine / Plant Engineer
Medicom Group
Saint-Eustache, QC
- Full-time
Élaborer et améliorer les standards de travail afin d’atteindre les objectifs de performance des lignes de production.
Added 1 hour ago
AC
Product Development Engineer – Liquid Cooling
Amphenol Communications Solutions
Markham, ON
- Full-time
Lead cross-functional development projects from concept through production.
Added 1 hour ago
AC
NPI Process Manager
Amphenol Communications Solutions
Markham, ON
- Full-time
Experienced NPI Process Engineering Manager to lead the Global NPI teams, Process Development, DFM Engineers and Automation to oversee the daily production processes, improvement and…
Added 1 hour ago
CL
Technical Sales and Quotations Representative
Canarm Ltd.
Brockville, ON
- Full-time
Coordinate with engineering, production, and purchasing teams to ensure feasibility, pricing, and lead times

Pentasia

Senior Mobile Engineer

Toronto, ON, Canada

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

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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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