Senior Software Engineer - Java

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 robust, scalable, and high-performance backend applications using Java and related frameworks
• Build and integrate Java-based APIs to support enterprise-grade services and system integrations
• Collaborate with Salesforce applications, including developing, consuming, and integrating APIs between Salesforce and backend systems (preferred)
• Contribute to AI/ML-enabled projects, supporting model integration, data pipelines, and intelligent service orchestration within backend systems
• Work closely with product owners, solution architects, and key stakeholders to understand business needs and translate them into technical requirements and effective solutions
• Participate in architectural discussions, technical design reviews, and code reviews to ensure high-quality, maintainable solutions
• Ensure applications meet standards for performance, security, scalability, and reliability
• Troubleshoot, debug, and optimize applications in both development and production environments
• Follow best practices for software development lifecycle (SDLC), including CI/CD, testing, and documentation

• Stay current with emerging technologies, industry trends, and best practices to continuously drive innovation and technical excellence within the team

• 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:

• Graduate degree or equivalent experience
• Bachelor's degree in Engineering, Computer Science, or a related field, or a Master's degree in IT or Technology
• Solid experience in API design and integration
• Hands-on experience with Kubernetes and Azure cloud environments
• Working knowledge of AI/ML-enabled applications and service orchestration
• Ability to deliver reliable, scalable solutions with a focus on quality and performance
• Core Programming Skills:
  • Working experience with or strong interest in Groovy, Kotlin, and Python
  • Solid proficiency in Java (Java 17) for backend application development
  • Solid understanding of Java APIs and object-oriented programming principles
• Frameworks & Backend Technologies:
  • Hands-on experience with Spring Framework and Spring Boot for building scalable microservices

  • Experience with Hibernate / JPA for ORM and data persistence

• Messaging, Data & Integration:
  • Experience with Apache Kafka or similar messaging/streaming platforms
  • Solid knowledge of MySQL and relational database design
  • Familiarity with ETL tools and data integration pipelines
• Cloud, DevOps & Tooling:
  • Experience working with AWS, including S3 (AWS Bucket) or related cloud storage/services
  • Hands-on experience with Maven for build management and GitHub for version control
  • Experience with Jenkins or CI/CD pipelines for automated builds and deployments
  • Proficiency with Postman for API testing and validation
• Frontend & Web Technologies:
  • Basic to intermediate experience with HTML, CSS, JavaScript, and TypeScript for UI or integration support
• AI/ML & Advanced Technologies:

  • Exposure to or strong interest in AI/ML projects, including model integration or intelligent service workflows

• Soft Skills & Growth Mindset:
  • Solid problem-solving and analytical skills with attention to detail
  • Ability to collaborate effectively with cross-functional teams, including product, architecture, and business stakeholders
  • Solid desire to continuously learn, adapt, and grow with emerging technologies

Preferred Qualifications:

• Experience working with or integrating Salesforce applications and APIs 

• Solid understanding of RESTful services and API design; exposure to GraphQL

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.