Full Stack Java Engineer - Eden Prairie, MN or Hartford, CT (Hybrid)

As a FullStack Java Engineer on our Consumer Engineering team, you will play a key role in developing, enhancing, and maintaining our robust consumer-facing software applications. You will work within a collaborative, fast-paced environment to build scalability, optimize backend performance, and create seamless integrations between frontend interfaces and backend services. This role is ideal for an engineer who is passionate about leveraging modern tools and technologies-including AI-assisted development practices and public cloud infrastructure (AWS or Azure)-to streamline daily workflows and deliver high-quality health platform solutions.

If you reside near Eden Prairie, MN or Hartford, CT , you’ll enjoy the flexibility of a hybrid-remote position* as you take on some tough challenges.

Primary Responsibilities

• Design, develop, and deploy scalable full-stack applications with a primary focus on robust Java backend services.
• Write clean, well-designed, testable, and efficient code using Java and modern JavaScript frameworks.
• Use enterprise-approved AI tools to streamline workflows, automate tasks, and drive continuous improvement.
• Evaluate emerging trends to inform solution design and strategic innovation.
• Collaborate with product managers, UX designers, and cross-functional teams to define, design, and ship new features.
• Design and integrate secure, performant RESTful APIs and microservices.
• Design, optimize, and maintain relational or non-relational database schemas.
• Participate in code reviews to ensure code quality, performance, and adherence to security and development standards.
• Maintain and enhance continuous integration and continuous deployment (CI/CD) pipelines.
• Troubleshoot, debug, and resolve application issues and performance bottlenecks in production and non-production environments.

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.

• Bachelor’s degree OR 4+ years of equivalent software development experience
• 4+ years of professional software engineering experience
• 3+ years of experience with backend development using Java (Java 17 or higher) and frameworks like Spring Boot or Spring
• 2+ years of experience with public cloud technologies, specifically AWS or Azure
• 2+ years of experience working with database technologies (relational databases such as MySQL, PostgreSQL, or Oracle, and/or NoSQL databases)
• 2+ years of experience with unit testing frameworks (e.g., JUnit, Mockito) and code quality tools like Sonar (SonarQube/SonarLint)
• 2+ years of experience designing, developing, and integrating REST APIs and utilizing JSON data formats

Preferred Qualifications:

• Experience with frontend web development (e.g., React, Angular, Vue, or vanilla JavaScript/HTML/CSS)
• Experience with reactive programming in Java, specifically using Project Reactor (e.g., Spring WebFlux)
• Experience with DevOps engineering practices, including CI/CD pipelines, Infrastructure as Code (IaC), monitoring/observability tools (e.g., Dynatrace, DataDog), and version control via GitHub
• Experience with application servers and runtimes, such as Tomcat, Node.js, and Express
• Experience using modern AI-assisted development tools (e.g., GitHub Copilot, automated code generation tools) to optimize coding productivity and workflow efficiency
• Experience with containerization tools (e.g., Docker, Kubernetes)
• Experience working within an Agile/Scrum development methodology
• Strong analytical and problem-solving skills with excellent communication capabilities

Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements). No matter where or when you begin a career with us, you’ll find a far-reaching choice of benefits and incentives. The salary for this role will range from $72,800 - $130,000 annually based on full-time employment. We comply with all minimum wage laws as applicable.

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., 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.

UnitedHealth Group is an Equal Employment Opportunity employer under applicable law and qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations.

UnitedHealth Group is a drug - free workplace. Candidates are required to pass a drug test before beginning employment.