Sr. IOS Mobile Developer

CGI•Cary, NC

8d•Onsite

About The Position

CGI is seeking an experienced Senior iOS Developer to design and build high-quality, scalable, and resilient native iOS applications. The role focuses on Swift, SwiftUI, modern iOS architecture, application quality, and delivering outstanding mobile experiences. The developer will work with product, UX, architecture, and engineering teams to build production features, improve established applications, and deliver accessible, secure, and performant mobile experiences. This is a full-time, 100% on-site position based in Cary, North Carolina.

Requirements

10+ years of software development experience with strong iOS development expertise.
Strong hands-on experience developing and shipping production iOS applications using Swift.
Deep hands-on experience with SwiftUI.
Experience integrating SwiftUI into existing production applications.
Strong understanding of async/await, structured concurrency, actors, Sendable, and modern Swift.
Experience with modern SwiftUI state management and data flow patterns.
Experience designing and consuming APIs using URLSession.
Strong testing experience with Swift Testing, XCTest, and XCUITest.
Understanding of mobile application architecture, performance, memory management, and diagnostics.
Experience with Instruments and Xcode development tools.
Understanding of iOS security, privacy, authentication, and secure data handling.
Experience developing reusable iOS frameworks and managing dependencies with CocoaPods.
Strong troubleshooting, problem-solving, and collaboration skills.
Ability and willingness to work 100% onsite.
Bachelor's degree in computer sciences, engineering, or a related field.

Nice To Haves

Experience with Combine.
Experience with GitHub Copilot or other AI-assisted development tools.
Familiarity with AI-assisted or agentic development workflows within Xcode.
Experience with CI/CD automation for iOS applications.
Experience developing reusable mobile frameworks and shared components.
Experience modernizing established iOS applications and codebases.
Experience with mobile accessibility and inclusive design.
Experience in Financial Services or other highly regulated industries.

Responsibilities

Design, develop, and deliver native iOS applications using Swift and SwiftUI.
Build scalable, maintainable, and high-performing mobile applications.
Develop production features using SwiftUI and integrate them into existing applications.
Apply modern Swift capabilities, including async/await, structured concurrency, actors, and Sendable.
Design application components with clear separation of presentation, domain, and data layers.
Build and consume network APIs using URLSession.
Develop automated tests using Swift Testing, XCTest, and XCUITest.
Build accessible mobile experiences using VoiceOver and Dynamic Type.
Analyze application performance and memory usage using Instruments and Xcode diagnostics.
Apply appropriate security and privacy practices for sensitive application data.
Develop reusable iOS components and frameworks and manage dependencies using CocoaPods.
Participate in code reviews, technical design discussions, troubleshooting, and continuous improvement.
Collaborate with product, UX, architecture, and engineering teams to deliver high-quality mobile experiences.