Top IoS Developer Jobs in Toronto

Build and evolve a native iOS application supporting restaurant operations. Responsibilities include architecting production features, translating product goals into mobile experiences, decomposing initiatives, writing automated tests, improving CI/CD, profiling and debugging performance, resolving support issues, participating in architecture reviews, mentoring engineers, and adopting AI-assisted development workflows.

Develop and maintain native iOS and Apple TV applications using Swift, SwiftUI, UIKit, and tvOS frameworks. Build responsive interfaces, media playback, navigation, and interactive features; integrate RESTful APIs; troubleshoot performance and platform issues; and support testing, deployment, and App Store maintenance. Collaborate with product, design, and engineering teams on scalable solutions, code reviews, architecture, and continuous improvement.

Develop and maintain Kobo’s iOS app using Swift and SwiftUI. Own features from inception through release, fix issues, maintain code quality, and collaborate with Product, Design, Backend, and QA. The role involves complex UI development, Swift concurrency, feature delivery, and cross-functional requirements clarification. Familiarity with unidirectional architecture, functional programming, UIKit, Objective-C, modularization, and CI improvements is preferred.

Develop native iOS applications for TD’s Canadian mobile banking platform. Responsibilities include designing reusable SwiftUI interfaces, implementing concurrency and reactive patterns, integrating REST APIs and secure authentication, supporting accessibility and offline behavior, writing tests, profiling performance with Instruments, managing dependencies, reviewing code, and collaborating in an agile team. The role is primarily onsite in Toronto and includes opportunities to mentor junior developers.

Build and maintain secure, high-performance mobile applications for digital asset users across iOS and Android. Own features from design through release, integrate RESTful APIs, manage offline state and caching, implement comprehensive testing, debug issues, and monitor post-launch performance. Collaborate onsite in Toronto while applying mobile security practices and supporting cryptocurrency-related products.

Develop and maintain high-performance native iOS applications for eBay’s global ecommerce platform. Translate designs and requirements into stable production builds using SwiftUI and iOS development practices. Collaborate with Product, Engineering, and QA teams to identify problems, implement creative solutions, resolve bugs, and deliver releases. Apply iOS design patterns, REST integrations, UI transitions, image processing, and multithreaded communication in a fast-paced engineering environment.

Develop iOS applications for consumer and enterprise clients using Swift. Responsibilities include writing maintainable and performant code, participating in code reviews, conducting testing, researching development tools, and collaborating with team members. The role requires knowledge of mobile application architecture, UI implementation, REST APIs, server-side integration, and common architectural patterns.

Develop and lead major features for consumer and enterprise iOS applications. Write maintainable, testable, and performant Swift software; collaborate with designers, project managers, and cross-platform developers; mentor teammates; conduct code reviews and testing; research technologies; and improve development workflows. The role requires strong mobile architecture, UI, API integration, accessibility, testing, and end-to-end application development expertise.

Design, develop, test, and maintain native iOS and iPadOS applications using Swift. Collaborate with distributed engineering and product teams to build features, conduct code reviews, resolve bugs, run experiments, and improve application quality, stability, performance, and user engagement. Contribute transparently to Mozilla’s open-source community.

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.

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.

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.

Design and build scalable, high-performance iOS experiences for crypto perpetuals trading, including real-time market data, charting, order entry, position management, and risk-aware workflows. Partner with product, design, backend, infrastructure, and data teams to deliver reliable mobile trading tools. Lead technical planning, improve performance and observability, support incident resolution, establish engineering standards, and mentor iOS engineers.

Owns the end-to-end development of iOS monetization experiences, including paywalls, pricing, subscriptions, upgrades, and purchases across global storefronts. Partners with product, design, analytics, finance, and legal to prototype, experiment, launch, and optimize reliable consumer-scale features. Responsibilities include architecture, performance optimization, staged rollouts, code reviews, mentoring, and advancing AI-native engineering practices.

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 maintain customer-facing features in eBay’s core iOS application using Swift and SwiftUI. Integrate REST APIs, follow MVC and MVVM patterns, write tested and maintainable code, debug production features, participate in code reviews, and collaborate with Product, Design, Backend, and mobile engineering teams. Independently deliver scoped features for vehicle parts, recommendations, and international marketplace experiences while exploring AI-assisted development tools.

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.

Own iOS technical direction for Everand and Scribd growth, retention, and monetization features. Build subscription, paywall, and in-app purchase flows using StoreKit; ship experiments; integrate APIs; improve stability and reduce technical debt. Collaborate with backend, web, and Android teams, lead technical initiatives, and mentor engineers while delivering scalable Swift applications.

Develop and own high-quality iOS software for a global courier offers and incentives experience. Collaborate with product managers and engineering teams on product definition, manage delivery timelines, integrate server-side APIs within a microservices ecosystem, and apply modularization and clean architecture. Contribute to code reviews, pair programming, inner-source projects, and the iOS guild by sharing development practices and 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.

Develop and maintain iOS, tvOS, and visionOS streaming applications using Swift and SwiftUI. Design scalable, testable architectures, integrate RESTful backend services, optimize audio/video playback and buffering, analyze performance, and collaborate cross-functionally on new features. Participate in code reviews, estimation, troubleshooting, automated testing, and applying AI-assisted development tools to improve productivity and code quality.

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.

Lead delivery of major iOS platform components, provide hands-on technical design and architecture, and contribute throughout the software development lifecycle. Design, develop, test, implement, and support technical solutions while improving engineering practices. Mentor mobile associates and advise technical and business stakeholders on evolving technologies. The role requires advanced Native iOS development using Swift and SwiftUI, application architecture, and agile collaboration.

Lead delivery of major iOS software components and platform capabilities, collaborating with engineers and architects. Design, develop, test, implement, and support technical solutions throughout the software development lifecycle. Improve engineering practices, contribute technical and architectural expertise, and mentor junior, intermediate, and senior mobile engineers. The role requires advanced hands-on development using native iOS technologies, Swift, and SwiftUI, with exposure to cloud and agile environments.

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.