Software Engineer - React JS, Node.Js, SQL, API Mngt

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.

Primary Responsibilities:

• Develop, and maintain responsive, high-performance user interfaces using React JS 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
• Ensure cross-browser compatibility, responsiveness, and optimal performance across various devices and platforms
• Participate in all phases of the AI driven Development Life Cycle (AI-DLC) within an Agile framework, including pipeline planning, daily stand-ups, grooming, and retrospectives
• Collaborate with back-end engineers and participate in back-end tasks to integrate RESTful APIs and ensure seamless end-to-end data flow
• 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:

• 2+ years of professional software engineering experience
• 2+ years of experience with React JS (hooks, context, state management)
• 2+ years of experience with Node.js and Express.js
• 2+ years of experience with TypeScript
• 2+ years of experience building and consuming RESTful APIs with JSON
• 1+ years of experience with core web technologies: HTML5, CSS3, JavaScript (ES6+)
• 1+ years of experience with SQL and relational databases (PostgreSQL)
• Tools & Platforms
  • Experience with Git/GitHub/Azure DevOps for source control and CI/CD
  • Experience with cloud platforms and services (Azure, Application Insights)
  • Experience with containerization (Docker)
• Knowledge & Skills
  • Knowledge of React Router and client-side routing
  • Knowledge of authentication flows: OAuth 2.0, JWT, token exchange
  • Knowledge of middleware patterns and API security
  • Familiarity with responsive design, CSS frameworks, and cross-browser compatibility
  • Understanding of component-based architecture, frontend best practices, and design patterns
  • Familiarity with unit and integration testing (Jest or similar)
  • Familiarity with logging, monitoring, and observability tools

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.