Top iOS Developer Jobs in Montreal

Lead the technical direction and delivery of Bitcoin and stablecoin experiences for iOS across Cash App, Square, and Bitkey. Build and ship complex features end to end, establish architecture and shared systems, integrate backend services, improve testing and release safety, and mentor engineers. Collaborate across product, design, Android, web, and backend teams while applying AI-assisted development practices and contributing to secure, reliable customer experiences.

Lead technical direction and hands-on development of Bitcoin and stablecoin iOS products across Cash App, Square, and Bitkey. Own architecture, implementation, testing, service integration, rollout, observability, security, and post-launch improvements. Build foundational systems, mentor engineers, influence cross-team standards, collaborate across platforms, and integrate AI-assisted development tools while maintaining software quality and reliability.

The role involves developing high-performance mobile applications for CBC/Radio-Canada, ensuring compliance with standards, participating in Agile Scrum activities, and collaborating with product teams.

Develop and release scalable mobile features primarily with React Native and TypeScript for iOS and Android. Integrate React Native into existing native applications, build native modules, make architecture decisions, optimize performance and accessibility, and contribute to testing, CI/CD, monitoring, documentation, and releases. Collaborate with product and engineering teams, conduct code reviews, mentor developers, support technical planning, and promote responsible use of AI-assisted development tools.

Lead the development of foundational iOS platform systems, shared frameworks, developer tools, architecture standards, and multi-quarter migrations across Cash App and Square. Drive performance, reliability, security, testing, observability, release safety, and AI-assisted development practices. This hands-on individual contributor role influences multiple teams, develops technical leaders, and partners broadly to improve iOS engineering quality, productivity, and product outcomes.

Develop and lead frontend platform engineering for native and hybrid mobile applications. Build reusable, well-tested Android and iOS SDK components, contribute to architecture and system design, collaborate with product and engineering teams, own customer-facing deliverables, and identify product improvements while maintaining strong engineering standards.

Lead the architecture and evolution of native iOS foundations supporting seller-facing applications. Identify systemic problems, define platform strategy and standards, build prototypes and reference implementations, lead multi-quarter migrations, and establish practices for quality, testing, observability, release safety, and maintainability. Develop senior engineers and create scalable ownership models across teams.

Build and scale customer-facing iOS marketplace experiences using Swift and SwiftUI. Implement feature-flagged functionality, write unit and UI tests, collaborate with Product, Design, Android, backend, QA, and senior iOS engineers, and take increasing ownership of reliability and operational health. Use AI tools for coding, refactoring, testing, debugging, documentation, and reducing repetitive work while critically validating generated outputs.

Build and scale customer-facing iOS applications for OPENLANE’s wholesale vehicle marketplace. Responsibilities include designing Swift and SwiftUI features, leading iOS architecture and UIKit modernization, improving testing and release practices, managing cross-cutting concerns such as authentication and analytics, using AI development tools, mentoring engineers, and collaborating with Product, Android, backend, platform, and QA teams.

Develop and maintain high-performance iOS applications for CBC Gem and ICI TOU.TV. Design reusable components, ensure quality and performance, participate in Agile Scrum ceremonies, code reviews, deployments, architecture decisions, and user-story development. The role requires Swift and Xcode expertise, App Store experience, mobile application development skills, and bilingual English-French communication.

Develop complex iOS applications as part of a feature team, spending most of the time coding. Responsibilities include technical leadership, code reviews, mentoring, architecture and component reuse, production monitoring, automated testing, roadmap contributions, product collaboration, and support rotation. The role requires deep iOS experience, enterprise application expertise, strong communication, technical decision-making, and bilingual French-English proficiency. Kotlin Multiplatform and test automation experience are preferred.

Lead the architecture, development, performance, release process, and roadmap for SimpleStudy’s consumer iOS app. Mentor existing mobile engineers, establish technical direction, deliver polished native experiences, run experimentation and analytics, manage App Store operations, and collaborate with engineering and product leadership. The role involves Swift, SwiftUI, UIKit, testing, performance optimization, crash monitoring, and potential mobile team expansion.

Design, develop, and maintain Thunderbird's iOS app with a focus on performance, reliability, security, accessibility, and scalability. Own projects end-to-end, debug and test across unit/integration/automation, review code, reduce technical debt, document architecture, and collaborate with product, UX, and the open-source community.

Develop and maintain native iOS applications using Swift, focusing on performance, scalability, usability, and robust architecture. Partner with product, design, and engineering teams on planning and delivery; troubleshoot complex issues; write tests; maintain CI/CD workflows; and improve code quality. The role includes technical leadership, mentoring junior engineers, documentation, code reviews, and staying current with iOS technologies and development practices.

Own the iOS mobile roadmap and technical strategy for Superhuman Mail. Lead high-impact, complex engineering initiatives; define the mobile platform’s architecture, technical foundations, and one-to-two-year vision; partner with product and engineering leadership on strategy and execution; mentor senior engineers; drive cross-functional alignment; and promote AI-native software development practices while delivering reliable, high-quality mobile experiences.

Develop and evolve Intact’s iOS design system library using Swift and SwiftUI. Build reusable, versioned, documented components distributed through Swift Package Manager and CocoaPods, aligned with iOS patterns and accessibility standards. Collaborate with Android, React, Angular, product, and design teams; provide iOS expertise, support design workflows, conduct design reviews, and improve quality through automated testing and accessibility audits. Mentor developers and contribute to the technical direction of the design system.

As a Staff iOS Engineer, you will develop and enhance key iOS app features, collaborate with cross-functional teams, and shape technical standards.

Design, build, and maintain high-quality iOS applications using Swift (and Kotlin where applicable). Collaborate with cross-functional teams to implement features, optimize performance, fix bugs, integrate with GraphQL APIs, write tests, participate in code reviews, and produce technical documentation while partnering with UX/UI designers.

Own the React Native application end to end, including architecture, performance, releases, app-store presence, and roadmap. Lead and mentor two mobile engineers, establish technical direction, and collaborate on engineering and product strategy. Deliver polished iOS and Android experiences, run experiments, measure growth and retention impact, and iterate rapidly. The role may help expand the mobile team as the app grows.