Senior Software Engineer at Optum designing, developing, and deploying AI-powered applications and scalable software solutions. Requires 3+ years with .NET/C#/Java, React/ASP.NET MVC/JavaScript/Node.js/Angular, Web APIs, Entity Framework, SQL/NoSQL databases, Azure DevOps/GitHub Actions/Jenkins, Kubernetes/Docker, testing frameworks (Selenium/Gherkin/SpecFlow), and Agile/Scrum.… Responsibilities include full-stack development, CI/CD pipeline adherence, quality assurance, performance optimization, compliance with SDLC protocols, accessibility standards, and production support.