Top Senior iOS Developer Jobs in St. Louis, MO

The iOS Software Engineer will maintain the CI/CD pipeline and Bazel build system, improving mobile build scripts and collaborating with cross-functional teams to streamline development and increase efficiency.

The Senior iOS Engineer will enhance the design system by building reusable iOS components, collaborating with cross-platform teams, and ensuring accessibility, performance, and documentation standards are met.

As a Lead Mobile Developer, you will design and maintain iOS apps, mentor developers, optimize performance, and integrate with backend services while collaborating with cross-functional teams.

The Senior iOS Engineer will enhance Babylist's app, collaborating on user experience, optimizing performance, and maintaining high coding standards.

Develop new mobile applications for iOS while collaborating with teams to integrate existing technologies. Lead projects while mentoring junior engineers.

The Senior iOS Engineer at Speechify will lead engineering decisions, ship production code, and enhance app architecture while focusing on user experience.

As a Senior iOS Engineer, you will design, develop, and maintain the Poe iOS app, collaborating on AI-driven features and scalable architecture.

Design, build, and refine complex iOS applications and dynamic user interfaces. Contribute across the full software lifecycle, collaborate with mobile leadership, and shape mobile strategy and best practices.

Lead iOS development for MyFitnessPal's Premium subscription experience: design and implement features, improve subscription lifecycle via data, ensure testable, secure code, mentor engineers, and collaborate cross-functionally to deliver scalable solutions.

Lead development of Aave's iOS app: build secure wallet and blockchain integrations, ship polished UIKit-based UI, optimize performance, collaborate with design and backend teams, and own large product areas end-to-end.

As a Senior Test Engineer, you will evaluate and enhance the quality of the iOS Games SDK, drive automation testing, collaborate with SDK engineers, conduct manual tests, and analyze operational data.

The Sr. Software Engineer will lead the migration of mobile platforms to a Flutter/Dart codebase while maintaining and enhancing the existing iOS application. Responsibilities include collaboration across teams, troubleshooting performance issues, and mentoring other engineers.

As a Senior iOS Mobile Developer, you'll implement features for mobile-native iOS applications, improve user experience, collaborate with UI teams, and participate in an agile development culture.

The Staff Mobile Engineer will lead complex mobile initiatives, ensuring high-quality iOS experiences while mentoring other engineers and contributing to architectural decisions.

As a Senior iOS Engineer, you will develop and enhance key features of the WeightWatchers app, collaborate with cross-functional teams, and shape architectural decisions for the app. Responsibilities include building native features, delivering premium UI/UX, and integrating health data functionalities.

As a Senior iOS Engineer, you will design and integrate 3D experiences on iOS, solve architectural challenges, collaborate with teams, and optimize mobile capabilities.

The Senior iOS Engineer will design and develop the Thrive Global Health Coach mobile app using Swift and SwiftUI, focusing on AI-powered health coaching features. Responsibilities include integrating APIs, optimizing performance, and collaborating across teams to enhance user experience.

Design, develop, and maintain high-quality mobile applications for healthcare, collaborating with cross-functional teams to ensure performance and security compliance.

The Senior iOS Engineer will lead impactful projects, resolve product issues, collaborate remotely, and improve application features with a focus on performance and quality.

Design, build, and maintain high-quality iOS apps. Collaborate with PMs and designers, mentor engineers, and manage code ownership.

The Core iOS Senior Engineer will lead mobile development projects, troubleshoot issues, and contribute to code reviews, requiring strong experience in Objective-C and mobile software development.

Responsible for developing and enhancing mobile applications, addressing platform and native bugs, collaborating with teams, and optimizing app performance.

Lead technical implementation for Yahoo Mail iOS application development, ensure code quality, collaborate with teams, and optimize performance.

The role involves building mobile instrumentation SDKs for iOS and Android, ensuring quality and performance, mentoring teammates, and engaging with the open-source community.

The Senior iOS SDK Engineer will design, build, and support SDKs for in-app subscriptions, focusing primarily on iOS while also engaging with Android and hybrid SDKs. Responsibilities include shipping high-quality products and collaborating effectively in a remote team.