Top IoS Developer Jobs in Toronto

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.

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 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.

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 architect scalable iOS applications for millions of users. Collaborate with Product, Design, and Engineering teams to deliver features, promote clean architecture and iOS best practices, monitor performance and crash analytics, and support technical excellence through testing, code reviews, and maintainable code.

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.

Develop and deliver native iOS solutions for TD’s Canadian mobile banking platform. Responsibilities include designing stable, innovative mobile experiences, collaborating with iOS and Android developers in an agile environment, implementing SwiftUI and UIKit applications, using concurrency and reactive patterns, integrating web solutions, writing unit and snapshot tests, debugging performance issues, and participating in code reviews and pair programming.

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

Build and ship full-stack and iOS features, product improvements, and bug fixes. Own small-to-medium projects through planning, implementation, testing, release, and post-launch support. Write maintainable, well-tested code, participate in code reviews, document work, investigate customer issues, and collaborate with support and cross-functional partners. The role is remote within Canada or the United States.

Build and ship native iOS and Android features for Cohere’s secure AI workspace platform. Collaborate with designers and researchers to implement interfaces, productionize AI models, research technologies, and develop privacy- and security-focused tooling, including custom solutions when standard libraries are unsuitable. The role requires experience with Kotlin and Swift, production mobile applications, project bootstrapping, cross-codebase debugging, and execution in fast-changing environments. Audio feature experience is a bonus.

Develop iOS applications for consumer and enterprise clients using Swift. Responsibilities include writing maintainable and performant software, code reviews, extensive testing, researching development tools, collaborating with team members, and improving workflows. The role requires knowledge of mobile application architecture, UI frameworks, REST APIs, server-side integration, and common architectural patterns such as MVVM, MVP, and MVC.

Develop iOS applications for consumer and enterprise products using Swift, UIKit, and SwiftUI. Lead major feature development, collaborate with designers and cross-platform developers, mentor teammates, participate in code reviews, conduct testing, research technologies, and improve development workflows. The role requires strong mobile architecture, API integration, accessibility, testing, and software engineering knowledge.

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.

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.

Contract iOS Developer to build and maintain iOS front-end and mobile features, work on web application integration using AngularJS/Backbone, and consume web services (REST, JAX-RS, XML-RPC, JSON-RPC, SOAP). Requires strong OO analysis, design, implementation and maintenance skills. 6-12 month contract in Toronto.

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.

Build and improve the Onfleet driver iOS app and mobile SDK using modern Swift, unidirectional architectures, Swift concurrency, and Combine. Own features end-to-end, write tests, improve CI/CD and quality automation, refactor legacy code, collaborate with cross-functional teams, mentor engineers, and advance agentic AI-driven development workflows.

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

Lead and architect iOS product development: build and scale features, optimize performance and infrastructure, define APIs with backend teams, enforce engineering best practices, drive testing strategy, and use analytics to measure and improve product outcomes.

Design, implement, and release scalable iOS features and frameworks working with product, design, and backend teams. Prototype, run A/B tests, apply automated testing, and use AI responsibly to speed workflows while ensuring quality, data protection, and maintainability for millions of users.

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

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.

Lead design and implement deep mobile platform integrations (primarily iOS) across the Graykey product. Debug across layers (Python, native C/C++, OS userspace and kernel), analyze crash dumps and disassembled binaries, drive features from design through production, mentor engineers, and collaborate with firmware and product teams to ensure reliable multi‑device, multi‑OS operation.