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Native App Developer Jobs in Markham, ON (NOW HIRING)

Legend

Mobile App Developer

Toronto, ON · On-site

The Role We are looking for an App Developer, to join a small, highly collaborative mobile squad ... Develop, maintain, and optimize our React Native application using Expo, delivering high-quality ...

BIMM

Lead Mobile Developer

Toronto, ON · On-site

BIMM is booming, so we're looking for a Lead Mobile Developer with deep iOS and Android experience ... The app around those screens is genuinely native: navigation stacks, transitions, back-gesture ...

US Mobile

Senior React Native Engineer

Toronto, ON

CA$140K - CA$180K/yr

Proven track record of successfully launching applications on App Store and Google Play ... React Native (0.83+) + TypeScript * Tanstack ReactQuery * React Navigation Benefits: * Competitive ...

Reactiv

Front-end Developer

Toronto, ON · On-site

Occasionally contribute to our React Native mobile app as you grow. * Help keep our frontend fast ... Every engineer at Reactiv gets equity, so you share in the upside you help create. You're not just ...

Fintros

React Developer

Toronto, ON · On-site +1

A stealth new app created by Fintros AI is launching in September 2021. In less than 180 days, our ... Experience * 1+ years of experience in React, ideally React Native * Work experience or hobby ...

Fintros

React Developer (Remote)

Toronto, ON · Remote

A stealth new app created by Fintros AI is launching in September 2021. In less than 180 days, our ... Experience * 1+ years of experience in React, ideally React Native * Work experience or hobby ...

CookUnity

AI Native Engineer

Toronto, ON · On-site

Design the future-state workflow: where an agent acts autonomously, where a deterministic app ... Strong foundation in at least one programming language (TypeScript, Python, Kotlin or similar) and ...

CookUnity

AI Native Engineer

Toronto, ON

Design the future-state workflow: where an agent acts autonomously, where a deterministic app ... Strong foundation in at least one programming language (TypeScript, Python, Kotlin or similar) and ...

CARET

Senior DevOps Engineer

Toronto, ON · Remote

Act as a senior technical authority for Azure platform architecture, cloud-native DevOps practices ... ACR), App Services, and Function Apps. * Establish secure and reliable patterns for container ...

Priceline.com LLC

Product Manager, Flights

Toronto, ON · Hybrid

CA$100K - CA$120K/yr

Partner with Product Designers, UX Researchers, Marketing, and Engineering teams (specializing in ... You understand how to design features for different customer segments across web and native app ...

Priceline

Product Manager, Flights

Toronto, ON · Hybrid

CA$100K - CA$120K/yr

Partner with Product Designers, UX Researchers, Marketing, and Engineering teams (specializing in ... You understand how to design features for different customer segments across web and native app ...

BusPlanner

Mobile Developer (.NET MAUI)

Toronto, ON · On-site

React Native and/or Progressive Web App experience. * DevOps capability - build and release pipelines, environment setup, deployment automation for server-based software. * Experience with Android ...

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Native App Developer information

Infographic showing various Native App Developer job openings in Markham, ON as of June 2026, with employment types broken down into 2% As Needed, 85% Full Time, 6% Part Time, 2% Temporary, and 5% Contract. Highlights an 81% Physical, 6% Hybrid, and 13% Remote job distribution.

Mobile App Developer

Toronto, ON • On-site

Legend
See more jobs at Legendexternal

Full-time

PTO

Re-posted 15 days ago

Job description

About Covers and Legend
 
Here at Covers, we're a top digital media company in the sports betting industry, with a clear sense of purpose and a belief that success comes from the strength of our team and our culture. 
 
We're proudly part of Legend. At Legend, we're building next-level player experiences. With 20+ years of proven success we're the world's leading Sports and Gaming marketing company.
 
Our people are our edge. 600+ sharp, ambitious Legends across 22+ countries who move fast, learn quickly and win together. Here growth isn't a perk, it's the standard. You'll stretch, level-up and carve out a career as bold as the products we build. We celebrate wins and create experiences that people talk about for years - for our players & for each other. If you're ready to shape the future of player experience and enjoy the ride while you do it, this is where you'll thrive.

The Role 

We are looking for an App Developer, to join a small, highly collaborative mobile squad responsible for optimizing and evolving our sports app.

You'll primarily focus on creating engaging community experiences that keep users coming back - from social feeds and bet sharing to chat functionality and future interactive features. Beyond shipping new experiences, you'll help improve performance, optimize the app, and contribute to the technical direction of our React Native platform.

This is an opportunity to have a significant impact on a product that's central to our future growth, helping move users from web-first experiences to an app-first ecosystem.

You'll work closely with Product, Design and Engineering teammates and play an important role in shaping both the product and how the team builds it.

Why Legend?
  • Super smart colleagues to work alongside and learn from.
  • Engaging development opportunities at all levels.
  • Tailored flexibility for your work-life balance.
  • Annual discretionary bonus to reward your efforts.
  • Paid annual leave PLUS a well-deserved break to recharge your batteries during the festive season! Our offices are closed between Christmas and New Year's, allowing you to enjoy downtime without dipping into your annual allowance.
  • Exciting global Legend events, where we unite in person to ignite our shared passion and unveil the exciting strategies for the year ahead!
Unlock your full potential by joining the Legend team. To support you on this journey, we provide an extensive array of benefits and perks, as outlined in our global offerings above. For country specific benefits please reach out to your talent partner.
Your Impact
  • Build and evolve our mobile app: Develop, maintain, and optimize our React Native application using Expo, delivering high-quality features that support performance, scalability, and an exceptional user experience.
  • Create engaging community experiences: Design and deliver features such as social feeds, bet sharing, chat, and other interactive experiences that encourage users to engage with the app and keep coming back.
  • Collaborate across disciplines: Partner closely with Product, Design, and Engineering teams to transform ideas into intuitive, user-centric mobile experiences while contributing to technical discussions and architectural decisions.
  • Champion app quality and reliability: Monitor application health using Crashlytics, proactively troubleshoot issues, and continuously improve app performance, stability, and release quality.
  • Drive the growth of our mobile platform: Help establish React Native best practices, support other engineers as mobile development expands, and contribute to the technical direction of the app across squads.
What You'll Bring
  • 5+ years of software development experience, including 3+ years building mobile apps with React Native.
  • Strong expertise with React, Expo, EAS, and TypeScript.
  • Deep knowledge of iOS development, Apple Human Interface Guidelines, and app distribution via TestFlight.
  • Proven experience with animations, performance optimization, and responsive mobile design.
  • Experience integrating third-party identity providers (e.g., Google, Apple) and handling secure authentication flows.
  • Proficiency with testing frameworks (Jest, Detox, Testing Library) and CI/CD workflows in agile environments.
  • Familiarity with Git, backend API integration, and client-side data management strategies.
Preferred:
  • Experience with Swift, Android development, Google Play distribution, or high-traffic consumer apps.
  • Understanding of geolocation, deep linking, and offline data strategies.
  • Background in sports, media, iGaming and high-traffic consumer apps.
The Interview Process
  • 1st: Initial Chat with Talent Partner (30 mins via Zoom)
  • 2nd: ILive coding task; Interviewer 1 and Interviewer 2 (1 hour video via Zoom)
  • 3rd: Final interview with our team, Interviewer 1 and Interviewer 2 (1 hour video via Zoom)
Legend is an Equal Opportunity Employer, but that's just the start. We believe different perspectives help us grow and achieve more. That's why we're dedicated to hiring and developing the most talented and diverse team- which includes individuals with different backgrounds, abilities, identities and experiences. If you require any reasonable adjustments throughout your application process, please speak to your Talent Partner or contact the team on[email protected], and we'll do all we can to support you. 
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