Top iOS Developer Jobs in Denver & Boulder, CO

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.

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

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

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

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

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

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

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.

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

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.

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

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.

The Senior iOS Engineer will lead product decisions, ship code for the iOS app, and enhance the app's architecture, ensuring a user-centric experience.

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.

As a Senior iOS Engineer, you will lead engineering decisions, ship production code, enhance app architecture, and shape the product roadmap for Speechify's iOS app.

Join Speechify as a Senior iOS Engineer to enhance their product, lead engineering decisions, and ensure excellent user experiences.

As a Software Engineer, you will work with AI researchers to deploy models, improve performance, and deliver critical services.

The role involves leading engineering decisions for the Speechify iOS app, shipping production code, and enhancing app architecture while focusing on user experience.

The role involves collaborating with teams to deploy ML inference workloads, improve model performance, and enhance system visibility for AI Voices.

As a Senior iOS Engineer at Speechify, you'll lead engineering decisions, develop production code, and enhance app architecture while working within a product team focusing on user experience and product evolution.

As a Senior iOS Engineer, you will lead product decisions, ship production code, enhance app architecture, and engage in strategic product discussions.