Software Engineer - .NET full stack

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

• Collaborate with product architects, technical leads, and cross-functional teams to analyze project, product, and platform requirements
• Design and develop scalable, high-quality applications using Microsoft technologies such as C#, ASP.NET, MVC, Web Services, WCF, and Windows Forms
• Build and maintain REST APIs and modern front-end solutions using React, JavaScript, HTML, CSS, AJAX, and XML
• Review and contribute to application, information, and integration architecture, including technology stack selection
• Develop database solutions using SQL Server and implement data integration workflows using SSIS
• Participate in CI/CD pipeline setup and enhancements using tools like GitHub Actions and Jenkins
• Perform code reviews, ensure adherence to coding standards, and maintain version control using GitHub
• Troubleshoot, debug, and resolve complex production issues with a deep technical approach
• Actively contribute to application modernization initiatives including migration, decommissioning, and system consolidation
• Conduct planning and analysis sessions to define strategies for application transformation and optimization
• Prepare business case documentation with cost estimation and technical impact analysis
• Leverage AI tools (e.g., GitHub Copilot, Codex) to improve development productivity and efficiency
• Contribute to the development of AI-driven solutions and applications where applicable
• Ensure clear and effective communication with stakeholders, teams, and clients
• Stay updated with emerging technologies and proactively apply them to improve solutions
• Work in Agile environments and support both development and production support activities
• 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

• 3+ years of overall experience in analyzing, architecting, developing, and deploying applications using Microsoft technologies
• Solid hands-on experience with C#, ASP.NET, MVC, Web Services, WCF, Windows Forms, and REST APIs
• Experience in front-end development using React, JavaScript, HTML, CSS, AJAX, and XML
• Experience with SSIS for data integration and ETL processes
• Hands-on experience with version control systems (GitHub)
• Proficiency in SQL Server for database development and query optimization
• DevOps & CI/CD Skills + Experience in implementation and maintenance of CI/CD pipelines using GitHub Actions and Jenkins + Understanding of build, release, and deployment processes
• AI & Modern Tools + Experience in using AI-assisted development tools such as GitHub Copilot, Codex, etc. + Familiarity with leveraging AI tools for improving development productivity

Preferred Qualifications

• Experience in healthcare domain
• Experience in migration or modernization of healthcare platforms
• Knowledge of modern architecture patterns and application transformation
• Proven exposure to AI/ML application development 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.