Senior Software Engineer II

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.

We are seeking a highly experienced Senior Software Engineer with a proven track record of building and delivering enterprise-grade applications. The ideal candidate will have 12+ years of professional software development experience, deep expertise across multiple programming languages, and solid leadership skills in designing, deploying, and managing complex cloud-native applications. This role will be instrumental in shaping our technology strategy, mentoring team members, and ensuring engineering excellence.

Primary Responsibilities:

• Design, develop, and maintain scalable, high-performance applications using Java (Spring Boot), Python, and modern JavaScript frameworks such as React.js, Next.js with Tailwind CSS and Shadcn UI
• State management using Redux Toolkit, TanStack Query, Zustand etc.
• Build and integrate RESTful APIs to support front-end and back-end communication
• Architect, deploy, and manage applications on Microsoft Azure, with a focus on Azure Kubernetes Service (AKS) for container orchestration
• Develop, package, and manage containerized applications using Docker, ensuring smooth deployment to Kubernetes environments
• Apply best practices for cloud-native application development, microservices architecture, and containerization
• Lead code reviews, mentor junior engineers, and promote engineering excellence across the team
• Collaborate with cross-functional teams (Product, QA, DevOps) to deliver high-quality, maintainable software solutions
• Drive automation and efficiency in build, deployment, and infrastructure processes
• Troubleshoot and resolve complex technical issues across the application stack
• 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:

• Experience building and consuming RESTful APIs
• Experience working in an Agile/Scrum environment
• Solid understanding of software architecture principles, design patterns, and best practices
• High level proficiency in Java (Spring Boot) and React (one or both skills)
• Proven solid track record in delivering complex applications

Preferred Qualifications:

• Hands-on experience with Azure cloud services and AKS (Azure Kubernetes Service)
• Hands-on experience with GitHub Actions for CI/CD automation
• Hands-on experience with Machine Learning and Generative AI technologies, including model development, training, and integration into applications
• Experience with modern frontend styling frameworks such as Tailwind CSS and component libraries like Shadcn UI
• Experience mentoring or leading engineering teams
• Experience working with HCM (Human Capital Management) data, including integration, transformation, and security considerations
• Proven experience using Terraform for infrastructure provisioning and management
• Proficiency with OpenAPI Specification (OAS) for designing, documenting, and consuming APIs
• Solid skills in containerization with Docker and Kubernetes deployment workflows

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.