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.
Primary Responsibilities:

• As a Lead Developer on GitHub Cloud team, you'll be responsible for Management of GitHub Cloud/Runners/Actions Platform and Runner Group Architecture and Management, Capacity Planning and Performance Optimization, Security and Compliance, Developer Experience and Support, Strategic Planning and Innovation
• Design, build, and maintain GitHub self-hosted runners for scalable CI/CD pipelines for the enterprise, automations
• Develop and manage GitHub Apps and API integrations to automate repository management, compliance, and developer workflows
• Collaborate with engineering, platform, and security teams to resolve build issues, enforce policy-as-code, and optimize GitHub usage across the organization
• Drive automation initiatives using infrastructure-as-code and GitHub-native tooling to reduce manual effort and improve operational efficiency
• Apply AI-assisted development techniques to accelerate coding, testing, and documentation
  Prototype and validate new ideas using LLM-based tools, vibe coding, and rapid development frameworks
• Leverage AI building blocks such as agentic frameworks, retrieval-augmented generation (RAG), vector databases, and Model Context Protocol (MCP) to enhance platform capabilities
• Document processes, configurations, and best practices to ensure knowledge sharing and operational continuity
• Works with less structured, more complex issues
• Serves as a resource to others
• 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 degree in Computer Science, Engineering, or related field (or equivalent experience)
• 8+ years of hands-on experience in .NET or .NET Core application development
• Solid experience in Domain Driven Design (DDD) and clean architecture principles
• Hands-on experience with Microsoft Azure services and cloud-based solution design
• Experience with Infrastructure as Code (IaC) using Terraform for provisioning and managing cloud resources
• Experience in designing and developing RESTful APIs and scalable backend systems
• Hands-on experience with generative AI tools (e.g., GitHub Copilot, Windsurf, etc.)
• Experience troubleshooting complex build and deployment issues in distributed systems
• Excellent knowledge of SQL Server, including performance tuning and query optimization

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.