Senior Software Engineer - React Native with Nodejs

Requisition Number: 2363757
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.
As a React Front End Developer (Software Engineer) on the Consumer Engineering team, you will be part of a dynamic and collaborative engineering team dedicated to building and optimizing intuitive, high-performance web applications. In this role, you will focus on developing modern, user-friendly front-end solutions that elevate the healthcare consumer experience. You will collaborate closely with product managers, UX/CX designers, and back-end engineers to transform designs into responsive, scalable UI components. Working out of our Minnesota (MN) or Connecticut (CT) office hubs, or in a fully remote capacity within the US, you will have the opportunity to leverage cutting-edge front-end technology and modern digital productivity tools to simplify complex healthcare workflows and make a direct impact on our users' lives.
Primary Responsibilities:

• Design, develop, and maintain responsive, high-performance user interfaces using React Native and React Native Web and modern front-end architectures
• Collaborate with UX/CX designers to translate mockups and wireframes into clean, accessible, and scalable UI components
• Write clean, well-documented, and maintainable code adhering to solid front-end engineering principles and industry best practices
• Use enterprise-approved AI tools to streamline workflows, automate tasks, and drive continuous improvement
• Evaluate emerging trends to inform solution design and strategic innovation
• Ensure cross-browser compatibility, responsiveness, and optimal performance across various devices and platforms
• Participate in all phases of the Software Development Life Cycle (SDLC) within an Agile framework, including pipeline planning, daily stand-ups, grooming, and retrospectives
• Collaborate with back-end engineers to integrate RESTful APIs and ensure seamless end-to-end data flow
• Troubleshoot, debug, and optimize front-end code to improve application speed, usability, and scalability
• 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:

• 6+ years of professional software engineering experience
• 5+ years of experience with React Native and React Native Web, including state management (e.g., Redux, Context API, or similar)
• 3+ years of experience with Node.js
• 3+ years of experience working with RESTful APIs, JSON, and Axios for data fetching and integration
• 2+ years of experience with core web technologies including HTML5, CSS3, JavaScript (ES6+), and TypeScript
• 1+ years of experience writing front-end unit and integration tests (e.g., Jest, React Testing Library, or Cypress)

Preferred Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent professional experience)
• Experience utilizing modern AI-assisted development tools (e.g., GitHub Copilot, ChatGPT, or other enterprise-approved coding assistants) to accelerate development and optimize code quality
• Experience integrating and working with web analytics and user tracking platforms (such as Adobe Analytics, Google Analytics, or Tealium) to capture and interpret user behavior and engagement data
• Experience working with front-end performance analytics and monitoring tools (such as Lighthouse or Core Web Vitals) to drive optimization
• Experience working with design tools (such as Figma) to review and translate design mockups into functional UI components
• Experience writing query scripts and working with relational databases (such as SQL)
• Experience with modern front-end build pipelines and package managers (e.g., Webpack, Vite, npm, yarn)
• Experience working in a healthcare technology or large-scale corporate environment
• Knowledge of web accessibility standards (WCAG 2.1 AA) and responsive design principles
• Familiarity with CI/CD tools (e.g., Jenkins, GitHub Actions) and version control using Git
• Proven excellent collaboration and communication skills, with a focus on problem-solving and detail-oriented UI delivery

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.
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