Job Description

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.
We are seeking a highly skilled and experienced Lead Mobile Developer to join our team. This role involves leading mobile development efforts using React Native for both Android and iOS platforms, ensuring high-quality, accessible, and well-documented code. The Lead Developer will also guide junior developers, collaborate with the onshore team, and contribute to the broader Abyss ecosystem including dashboard and intake process improvements.
Primary Responsibilities:

• Active development of the Abyss Design System and related themes and content
• Lead mobile development using React Native for Android and iOS platforms
• Ensure code quality through thorough code reviews, testing, and documentation
• Automate repetitive tasks using scripts or AI to enhance team productivity
• Collaborate with the onshore team and act as a point of contact
• Commitment to accessibility standards in all components
• Participate in defect resolution, accessibility and styling fixes, manual QE, and regression testing
• Present code demos to Product and Team during Sprint Reviews
• Work on tasks including Abyss Site updates, component refactors, enhancements, and new component creation
• Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regards to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment). The Company may adopt, vary or rescind these policies and directives in its absolute discretion and without any limitation (implied or otherwise) on its ability to do so

Required Qualifications:

• Bachelor's degree in Computer Science, Engineering, or similar experience
• 5+ years of experience in mobile development
• 5+ years proficiency in React, with experience in major version upgrades
• 3+ years experience with React Native on both Android and iOS
• Experience with Jest for unit testing and Appium for E2E mobile testing
• Familiarity with Figma including Dev Mode
• Knowledge or experience on Bundlers, build tools (Metro, Webpack, Vite)
• Expertise in Typescript for public interfaces and private implementation
• Solid understanding of accessibility standards and practices - e.g. VoiceOver Talkback
• Expertise in styling across breakpoints and screen sizes using Emotion styling system
• Proficiency with Android build tools and Github Actions
• Proven excellent documentation and English writing skills or ability to use LLMs for documentation
• Demonstrated ability to debug and write Github Action workflows to improve quality gates

Preferred Qualifications:

• Experience using or building a Design System or component library
• Experience in leveraging AI tools for software development
• Experience in GenAI tools, including code generation from designs
• Experience with native modules integrating with iOS or Android SDKs
• Some experience with web development

About Abyss
Abyss is an Enterprise Design System of interactive components and related tools that can be used to efficiently assemble quality applications that are branded or themeable, highly accessible, and secure. Abyss needs skilled engineers to grow its feature set and support its adoption by new teams.
Abyss engineering exemplifies the following values:

• Maintain Customer or User Focus
• Deliver Quality the First Time, Every Time
• Practice Engineering Excellence
• Deliver on your Promises with Transparency
• Accelerate with Innovation

At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.

Skills Required