Top IoS Developer Jobs in Toronto

Lead technical direction and architecture for Neighborhoods mobile experiences across Cash App and Square. Drive cross-organizational mobile initiatives, stay hands-on in iOS development, partner with backend/web/Android teams, mentor engineers, and apply AI-assisted workflows to accelerate feature development and quality.

Lead technical direction and architecture for Neighborhoods mobile across Cash App and Square. Drive cross-organizational integration, remain hands-on in iOS development (SwiftUI, Workflow), apply AI-native engineering practices, mentor engineers, and collaborate with backend, web, Android, product, and design partners to deliver reliable, scalable mobile experiences.

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.

Develop and maintain high-quality iOS applications, focusing on performance, scalability, and user experience while collaborating with cross-functional teams.

As a Senior iOS Engineer, you will develop and maintain high-quality iOS apps, optimize user experiences, collaborate with teams, implement CI/CD pipelines, and mentor junior engineers.

As a Staff iOS Engineer, you will lead mobile app architecture, collaborate with teams, improve development practices, mentor engineers, and stay updated with industry trends.

Build and maintain Pricelines iPhone and iPad apps using Swift/SwiftUI and Xcode. Implement features, ensure performance and stability, collaborate with product and design, apply modern concurrency and mobile architecture patterns, and mentor junior engineers.

As an iOS Developer, you'll develop consumer and enterprise applications, participate in code reviews, and engage in testing to ensure quality software delivery.

Lead cross-team iOS engineering for Neighborhoods across Cash App and Square: define architecture, stay hands-on with SwiftUI/Workflow codebases, deliver integrated loyalty/ordering features, mentor engineers, and adopt AI-native workflows to accelerate development and quality.

Lead design and implementation of Neighborhoods mobile experiences across Cash App and Square. Shape cross-team architecture, stay hands-on with iOS development (SwiftUI, Workflow), drive integrations for discovery, ordering, loyalty, and fulfillment, mentor engineers, and apply AI-assisted workflows to accelerate development and quality.

Lead delivery and architecture of major iOS components, design and develop native iOS applications using Swift and SwiftUI across the SDLC, improve engineering practices within agile teams, mentor mobile engineers, and collaborate with technical and business stakeholders. Role is hands-on and requires advanced technical design and architecture skills.

Own and enhance native iOS applications: build end-to-end features and UIs, integrate REST APIs and push notifications, optimize performance and localization, and manage releases across multiple regions while collaborating with a distributed team.

Develop innovative mobile solutions collaboratively with cross-functional teams, focusing on native iOS applications and user experience best practices.

As a Senior Staff Engineer, you will design scalable iOS architectures, mentor teams, and influence technical strategies while collaborating with cross-functional groups.

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

Lead iOS test automation for Okta Verify and SDKs across iOS, iPadOS, and watchOS. Define test strategy and frameworks (XCTest/XCUITest), build CI/CD pipelines, develop Swift/Obj-C test tools, create functional/regression/end-to-end tests, partner with security, and drive quality metrics and release validation.

Design, build, and maintain high-performance modular features for eBay's core iOS app. Collaborate with product, design, backend and analytics teams, integrate APIs (including GraphQL), manage app state, ensure performance and stability, write tests, participate in Agile processes, and contribute to CI/CD and code reviews.

Develop and maintain iOS applications, ensuring performance and quality, collaborating with team members, and addressing bottlenecks and bugs.

The role involves leading engineering decisions, actively shipping code, participating in product discussions, and maintaining app architecture for Speechify's iOS app.

Design, build, and maintain accessible, secure, and performant iOS mobile applications. Translate product requirements into well-tested code, integrate with backend services/APIs, troubleshoot issues, and collaborate with Product, Design, and QA. Participate in design discussions, code reviews, and continuous learning to improve user experience.

As a Senior iOS SDK Engineer, you will lead the development of Sentry's iOS SDK, innovating features and designing APIs while leveraging advanced Apple technologies and ensuring robust architecture for high scalability.

As a Senior iOS Developer, you will develop iOS applications, lead major product features, mentor developers, and ensure high-quality software through testing and code reviews.

As an iOS Tooling Engineer, you will enhance mobile development systems, manage projects, maintain CI infrastructure, and support iOS applications while collaborating with a team of engineers.

Join Lyft's Mobile Tooling team to create and maintain infrastructure for mobile builds, enhancing productivity with tools and automation for hundreds of engineers.

Lead architecture and development of Credit Genie’s iOS apps using Swift (Swift 6). Implement UX from design mocks, collaborate with product/marketing/engineering, improve development practices, mentor engineers, contribute across the development lifecycle, and evaluate emerging technologies to scale the app.