[Remote] Lead Engineer - Mobile Platform - Cross-Platform - Remote

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

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