Senior Full Stack Engineer

Requisition Number: 2378403
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:

• Design, develop, and maintain responsive, scalable, and secure web applications using modern front-end frameworks such as React, Angular, and TypeScript
• Build and enhance backend services, APIs, and microservices using Java/Spring Boot, Python, Node.js, and related technologies
• Collaborate with product owners, architects, UX designers, and engineering teams to translate business requirements into technical solutions
• Develop and integrate RESTful APIs and cloud-based services across Azure, AWS, and GCP environments
• Implement secure coding practices, performance optimization, and scalability standards to ensure enterprise-grade application delivery
• Participate in architecture reviews, code reviews, design discussions, and technical solutioning sessions
• Support CI/CD pipelines, DevOps processes, containerization technologies, and automated deployment practices
• Troubleshoot complex technical issues and drive resolution across development, testing, and production environments
• Partner with Quality Engineering teams to ensure high-quality releases through unit testing, integration testing, and defect remediation
• Contribute to continuous improvement initiatives by adopting emerging technologies, engineering best practices, and AI-enabled development tools
• Mentor junior engineers and foster a culture of technical excellence, collaboration, and innovation
• 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 or Master's degree in Computer Science, Engineering, Information Technology, or a related field
• 3+ years of experience in full stack application development
• Experience with modern front-end frameworks including React, Angular, and responsive web development
• Experience working with cloud platforms such as Azure, AWS, or Google Cloud Platform
• Experience working in Agile delivery models and collaborating with distributed teams
• Hands-on experience with Git, CI/CD pipelines, Docker, Kubernetes, and DevOps practices
• Solid experience in Spring Boot, REST APIs, microservices architecture, and backend development
• Solid proficiency in one or more programming languages such as Java, Python, or JavaScript/TypeScript
• Solid understanding of relational databases, SQL, data modeling, and performance optimization
• Knowledge of software design patterns, object-oriented design principles, and secure coding standards
• Proven solid analytical, problem-solving, communication, and stakeholder management skills

Preferred Qualification:

• Exposure to AI/ML-enabled applications, automation frameworks, or healthcare technology solutions

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.