Top iOS Developer Jobs in Denver & Boulder, CO

As a Senior iOS Engineer, you will build and evolve mobile features, lead architecture decisions, and mentor teammates, ensuring high-quality app experiences for users.

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.

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.

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.

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

Develop mobile applications for iOS, collaborate with developers to integrate APIs, and ensure user privacy in communication tools.

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

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

The iOS Engineer will handle full lifecycle development, including requirements gathering, designing solutions, coding, testing, implementation, and support.

The Staff iOS Engineer will create high-quality iOS experiences for business users, manage dependencies, improve app quality through testing and performance work, and mentor teams while shaping technical strategies.

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 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.

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

Responsible for designing and developing new features for Yahoo Mail, collaborating on solutions, code reviews, and building scalable production systems.

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.

As a Software Engineer at Speechify, you will work with machine learning teams to enhance AI Voice functionalities, manage deployments, and improve model efficiency.