Top iOS Developer Jobs in St. Louis, MO

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.

As a Senior iOS Developer, you'll release features weekly, collaborate closely with product and design, and improve systems for users.

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

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.

Lead development of native iOS features (food tracking, activity logging, weight trends, AI-driven insights), deliver premium UI/UX with modern Apple frameworks, own flagship initiatives (Lock Screen Widgets, Live Activities, health data integrations), shape app architecture and standards, and collaborate cross-functionally while mentoring engineers.

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

The iOS Engineer will develop and improve the Chess.com iOS app, collaborating with teams, enhancing code quality, and implementing automated testing.

As an iOS Engineer, you will develop and maintain features for the Oura app, collaborating with various teams to enhance user experience and code quality.

Design, build, and maintain an iOS app using Obj-C and Swift. Collaborate with teams, debug issues, and refine features.

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.

As a Staff iOS Mobile Engineer, you will lead the development of Wizard AI's first iOS app, owning its architecture and integration with AI features, and collaborating with cross-functional teams to create a user-friendly experience.

As an iOS Engineer, you'll design and build features for the AllTrails iOS app, collaborate with teams, address bugs, and ensure scalable code.

The Senior iOS Engineer will develop mobile apps, manage features from concept to deployment, optimize performance, and collaborate with teams to enhance the user experience.

The Senior iOS Engineer will lead technical initiatives, mentor engineers, improve architecture, and ensure app performance in a clinical communication platform.

The Senior iOS Engineer will lead the development of the iOS SDK, collaborate with cross-functional teams, and enhance deployment processes while ensuring software quality through rigorous testing.

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.

Develop and maintain iOS applications using Swift and SwiftUI with AI features, optimize performance, and collaborate with backend and ML engineers.

As a Senior Software Engineer for iOS at Playlist, you will lead and mentor, collaborate with product and design, and enhance iOS development processes while shipping apps and improving architectures for scalability.

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

The Staff Mobile Engineer will lead technical initiatives for Thunderbird's iOS application, collaborating on design, development, and mentoring engineers while ensuring high standards for app performance and user experience.

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 Software Engineer at Nextdoor, you'll enhance the iOS app infrastructure and improve developer experiences, while mentoring junior engineers.

As an iOS Software Engineer, you will develop and improve Nextdoor's iOS applications, collaborating with teams to enhance product features and usability while mentoring team members.

The role involves developing iOS applications, enhancing user experience, collaborating with teams, and providing technical leadership while mentoring junior developers.