Lead Engineer - Mobile Platform - Cross-Platform - Remote

UnitedHealth Group•Minnetonka, MN

1d•$112,700 - $193,200•Remote

About The Position

Optum Tech is a global leader in health care innovation. Our teams develop cutting-edge solutions that help people live healthier lives and help make the health system work better for everyone. From advanced data analytics and AI to cybersecurity, we use innovative approaches to solve some of health care’s most complex challenges. Your contributions here have the potential to change lives. Ready to build the next breakthrough? Join us to start Caring. Connecting. Growing together. Lead the design, development, and evolution of our next-generation mobile platform supporting scalable, high-performance applications across iOS and Android. This role requires solid experience in cross-platform mobile development and platform architecture, with supporting experience in native mobile technologies. You will provide technical leadership, drive modernization efforts, and guide engineering teams in building robust, scalable mobile solutions while incorporating modern technologies to enhance platform capabilities and performance. You’ll enjoy the flexibility to work remotely from anywhere within the U.S. as you take on some tough challenges. For all hires in the Minneapolis or Washington, D.C. area, you will be required to work in the office a minimum of four days per week.

Requirements

Bachelor's or Master's in Computer Science, Engineering, or related field or relevant experience
Solid experience in cross-platform frameworks (React Native preferred) OR demonstrated ability to learn/adopt
Solid experience in mobile development: iOS (Swift) and/or Android (Kotlin/Java)
Proven experience building scalable mobile platforms
Proven experience leading engineering teams / technical direction
Experience with APIs (REST/GraphQL)
Experience with Cloud platforms
Experience with CI/CD and modern engineering practices

Nice To Haves

Experience with React Native in production environments
Experience transitioning from native → cross-platform architectures
Experience integrating AI/ML in mobile
Experience building platform-level / shared mobile capabilities
Solid understanding of global scale apps, performance, and reliability

Responsibilities

Define and drive the technical roadmap across cross-platform (React Native) and native (iOS, Android) solutions
Deliver clean, scalable, and maintainable mobile code across platform layers
Lead adoption and evolution of React Native while supporting and modernizing native mobile capabilities
Establish shared libraries, SDKs, and platform components to unify mobile development
Ensure high-performance, secure, and reliable mobile applications
Partner with product, backend, and design teams to deliver seamless user experiences
Provide technical leadership and develop engineers across the mobile platform
Guide teams through architectural improvements and transitions (e.g., native → cross-platform)
Design, develop, and integrate AI-enabled capabilities into mobile platform solutions to address complex business challenges, with a focus on responsible and secure implementation
Leverage enterprise-approved AI tools to streamline workflows, automate tasks, and drive engineering productivity and continuous improvement
Evaluate and incorporate modern technologies, including AI-enabled capabilities, to enhance platform performance, scalability, and innovation