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 Senior Software Engineer, you will play a pivotal role in designing, developing, and deploying scalable, cloud-native software solutions. This position combines full-stack development expertise with emerging AI technologies to deliver innovative products that transform healthcare outcomes and operational efficiency. You will work closely with cross-functional teams to build secure, high-performance applications leveraging Java, ReactJS, Azure and AI/ML services.

Primary Responsibilities:

• Full-Stack Development: Design, develop, test, and maintain applications using Java (Spring Boot) for backend and ReactJS for frontend
• AI Integration: Incorporate AI/ML APIs and services (e.g., OpenAI, Azure AI, Claude, Gemini) into applications to enhance functionality, personalization and automation
• Cloud & Containerization: Build and deploy solutions on Azure (or multi-cloud environments), leveraging Docker, Kubernetes and microservices architecture
• UI/UX Implementation: Develop responsive, accessible, and high-performing user interfaces using ReactJS, TypeScript, HTML5, and CSS3
• Collaboration: Partner with Product Managers, Designers, Data Scientists, and DevOps teams to translate business requirements into technical solutions
• Quality & Security: Conduct code reviews, enforce best practices and ensure compliance with security, scalability and maintainability standards
• Agile Delivery: Participate in sprint planning, backlog grooming, retrospectives and continuous improvement initiatives
• Troubleshooting: Diagnose and resolve complex technical issues, ensuring system reliability and optimal performance
• Documentation: Maintain clear and comprehensive technical documentation for system designs, APIs and processes
• 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 regard 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 degree or higher in Computer Science, Software Engineering, or related field
• 6+ years of hands-on experience in full-stack development (Java + React)
• Experience with Azure cloud services, Docker and Kubernetes
• Solid proficiency in Java, Spring Boot, RESTful API design and ReactJS
• Expertise in TypeScript/JavaScript, HTML5, CSS3 and responsive design principles
• Exposure to AI/ML APIs and ability to integrate them into software solutions
• Solid understanding of relational databases (MySQL, Oracle) and SQL
• Familiarity with microservices architecture, CI/CD pipelines and agile methodologies
• Proven excellent analytical, problem-solving, and communication skills

Preferred Qualifications:

• Experience with DevOps practices, Infrastructure as Code and tools like GitHub Actions
• Hands-on experience with NoSQL databases (MongoDB, Cassandra)
• Knowledge of performance optimization, monitoring and logging tools (Splunk, Dynatrace)
• Familiarity with serverless computing, event-driven architecture and modern cloud

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.