Senior Frontend Software Engineer

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, and data they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits, and career development opportunities.

Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together.

As a Senior Software Engineer on our team, you will design, develop, and maintain portable UI components and applications for member-facing and agent-facing healthcare solutions. You will collaborate with cross-functional teams to build high-performing web and mobile experiences using React, React Native, and modern cloud technologies, while leveraging cutting-edge development tools and automation to streamline workflows and solve complex healthcare technology challenges.

You’ll enjoy the flexibility to telecommute
* from anywhere within the U.S. as you take on some tough challenges.

• Design, develop, and maintain portable UI packages and components for member-facing and agent-facing applications
• Architect scalable component structures tailored for complex healthcare technology solutions
• Translate product design wireframes into responsive, pixel-perfect React web and React Native mobile components
• Implement multi-theme design systems across web and mobile platforms using MUI and modern styling frameworks
• Build and manage complex application state architectures utilizing Redux or Context API
• Connect front-end applications to backend microservices and services via REST and GraphQL APIs
• Optimize application performance, memory usage, and cross-platform compatibility across environments
• Develop automated tests using Jest, Detox, and Playwright to ensure high software quality and reliability
• Manage deployment pipelines and application publishing processes for App Store Connect, Google Play Console, and Expo (EAS)
• Leverage modern development tools and automation to optimize software development life cycles

You’ll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

• 5+ years of professional software engineering experience focused on frontend web and mobile development
• 3+ years of experience with React for web and React Native for mobile applications
• 3+ years of experience working with JavaScript and Type Script (ES6+)
• 3+ years of experience with HTML5, CSS3, and modern UI frameworks (e.g., MUI, Tailwind)
• 3+ years of experience with state management (Redux/Context API) and API integration (REST/GraphQL)
• 2+ years of experience with automated testing frameworks (e.g., Jest, Detox, Playwright)
• 2+ years of experience using Git and modern build/bundling tools (e.g., Webpack, Vite, Babel, NPM)

• Experience incorporating AI-assisted development tools and automation into engineering workflows
• Experience with mobile app store release workflows (App Store Connect, Google Play Console, EAS)
• Experience building multi-theme and reusable component libraries in a healthcare or enterprise setting
• Bachelor's degree in computer science, Information Technology, or a related field (or equivalent practical experience)

* All Telecommuters will be required to adhere to United Health Group's Telecommuter Policy.

Pay is based on several factors including but not limited to local labor markets,…