Note: The job is a remote job and is open to candidates in USA. Optum Tech is a global leader in health care innovation, developing solutions to enhance health systems. The Lead Engineer for the Mobile Platform will design and evolve a scalable mobile platform, oversee cross-platform development, and provide technical leadership to engineering teams.
Responsibilities
- Architecture & Platform Leadership: Define and drive the technical roadmap across cross-platform (React Native) and native (iOS, Android) solutions
- Hands-on Development: Deliver clean, scalable, and maintainable mobile code across platform layers
- Cross-Platform Strategy: Lead adoption and evolution of React Native while supporting and modernizing native mobile capabilities
- Framework & Tooling: Establish shared libraries, SDKs, and platform components to unify mobile development
- Performance & Security: Ensure high-performance, secure, and reliable mobile applications
- Collaboration: Partner with product, backend, and design teams to deliver seamless user experiences
- Mentorship & Leadership: Provide technical leadership and develop engineers across the mobile platform
- Platform Modernization: Guide teams through architectural improvements and transitions (e.g., native → cross-platform)
- Emerging Tech
- 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
Skills
- 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
- 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
- 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
- All employees working remotely will be required to adhere to UnitedHealth Group's Telecommuter Policy
Benefits
- A comprehensive benefits package
- Incentive and recognition programs
- Equity stock purchase
- 401k contribution (all benefits are subject to eligibility requirements)
Company Overview
We’re evolving health care so everyone can have the opportunity to live their healthiest life. It was founded in 1985, and is headquartered in Eden Prairie, Minnesota, USA, with a workforce of 10001+ employees. Its website is https://frontiertherapies.optum.com.Company H1B Sponsorship
Optum has a track record of offering H1B sponsorships, with 73 in 2026, 648 in 2025, 559 in 2024, 620 in 2023, 851 in 2022, 593 in 2021, 438 in 2020. Please note that this does not guarantee sponsorship for this specific role.