The Role
Lead design and development of secure, scalable .NET/.NET Core backend services and REST APIs, integrate React/Angular frontends, optimize SQL Server data access, deploy and operate applications on Azure, maintain CI/CD with GitHub Actions, follow clean architecture and testing practices, monitor performance and security, and collaborate across product, QA, and DevOps.
Summary Generated by Built In
Requisition Number: 2341144
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're looking for a .NET Developer with strong backend expertise in .NET / .NET Core and hands-on experience with Azure or AWS and CI/CD (GitHub Actions). You'll build secure, scalable REST APIs, integrate modern React or Angular or Next.js frontends, and work with SQL Server for data persistence. Familiarity with GitHub Copilot and AI-assisted development workflows is a plus - we encourage developers to be AI-powered users for productivity and code quality.
Primary Responsibilities:
Required Qualifications:
Preferred Qualifications:
#OITech
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.
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're looking for a .NET Developer with strong backend expertise in .NET / .NET Core and hands-on experience with Azure or AWS and CI/CD (GitHub Actions). You'll build secure, scalable REST APIs, integrate modern React or Angular or Next.js frontends, and work with SQL Server for data persistence. Familiarity with GitHub Copilot and AI-assisted development workflows is a plus - we encourage developers to be AI-powered users for productivity and code quality.
Primary Responsibilities:
- Design, develop, and maintain backend services using .NET / .NET Core (Web API)
- Build and integrate RESTful APIs with authentication/authorization (JWT/OAuth2)
- Implement modern web UIs using React or Angular (SSR/SSG as needed)
- Design schemas, write performant queries, and optimize data access with SQL Server and Entity Framework Core
- Deploy and operate applications on Microsoft Azure (App Service, Functions, Storage, Key Vault, Azure SQL, API Management)
- Set up and maintain CI/CD pipelines using GitHub Actions (build, test, security scan, deploy)
- Follow clean architecture, SOLID principles, and automated testing (unit/integration)
- Monitor and improve performance, reliability, and security (logging, tracing, metrics)
- Use GitHub Copilot and responsible AI practices to accelerate development while maintaining code quality and security
- Collaborate cross-functionally with Product, QA, and DevOps; participate in code reviews and agile ceremonies
- 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:
- AI User: Experience using GitHub Copilot or similar AI tools responsibly in development
- Skills:
- Backend: .NET, .NET Core (C#), ASP.NET Core Web API, Entity Framework Core
- Frontend: React or Angular (TypeScript preferred), component/state management
- Cloud: Azure (App Service/Functions, Azure SQL, Storage, Key Vault, API Management)
- Database: SQL Server (schema design, indexing, query optimization)
- DevOps: GitHub Actions, CI/CD, environments, secrets management, artifact handling
- APIs: REST design, OpenAPI/Swagger, JSON, pagination, error handling
- Testing: xUnit/NUnit/MSTest; Jest/RTL for React; mocking frameworks
- Version Control: Git, GitHub workflows (PRs, code reviews, branching)
- Security: OWASP awareness, secure coding, identity/auth in Azure
Preferred Qualifications:
- Undergraduate degree or equivalent experience
- Full stack engineering Lead(JAVA, .NET, React, Angular), AI/ML development experience, Big Data, Team guidance and mentorship experience
- AI Integration: Experience consuming AI services (e.g., Azure OpenAI) ethically and securely
- Skills:
- Next.js advanced: SSR, SSG, ISR, route handlers, middleware
- Containerization: Docker; Azure Container Apps/AKS
- Infra as Code: Bicep/Terraform; ARM templates
- Observability: Azure Monitor, Application Insights, distributed tracing
- Messaging/Integration: Azure Service Bus/Event Grid
- Performance: Caching (Redis), async patterns, high-throughput API design
- Security: OAuth2/OIDC, Azure Entra ID (AAD), API scopes/permissions
Design, develop, and deploy AI-powered solutions using no-code, low-code, and advanced platforms, translating business needs into scalable applications that enhance products, workflows, and decision-making.
#OITech
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.
Skills Required
- Experience using GitHub Copilot or similar AI tools responsibly in development
- .NET, .NET Core (C#) backend development
- ASP.NET Core Web API development
- Entity Framework Core
- Frontend experience with React or Angular (TypeScript preferred)
- Microsoft Azure (App Service, Functions, Storage, Key Vault, Azure SQL, API Management)
- SQL Server schema design, indexing, and query optimization
- CI/CD with GitHub Actions, environments, secrets management, artifact handling
- REST API design, OpenAPI/Swagger, JSON, pagination and error handling
- Automated testing (xUnit/NUnit/MSTest; Jest/React Testing Library) and mocking frameworks
- Version control with Git and GitHub workflows (PRs, code reviews, branching)
- Security awareness (OWASP, secure coding, identity/auth in Azure, JWT/OAuth2)
- Undergraduate degree or equivalent experience
- Full stack engineering lead experience (Java, .NET, React, Angular), team guidance and mentorship
- Experience consuming AI services (e.g., Azure OpenAI) ethically and securely
- Next.js advanced (SSR, SSG, ISR, route handlers, middleware)
- Containerization: Docker; Azure Container Apps/AKS
- Infrastructure as Code: Bicep, Terraform, or ARM templates
- Observability: Azure Monitor, Application Insights, distributed tracing
- Messaging/Integration: Azure Service Bus, Event Grid
- Performance techniques: Caching (Redis), async patterns, high-throughput API design
- Security: OAuth2/OIDC, Azure Entra ID (AAD), API scopes/permissions
Optum Compensation & Benefits Highlights
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Leave & Time Off Breadth — PTO accrues each pay period with eight paid U.S. holidays plus a floating holiday, and generous time away is consistently emphasized. This breadth supports planned and unplanned time off beyond standard vacation days.
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Parental & Family Support — Six weeks of paid parental leave, up to two weeks of paid caregiver leave, Bright Horizons back‑up care, and adoption assistance signal strong family-oriented support. EAP access with counseling sessions further extends help to employees and their households.
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Wellbeing & Lifestyle Benefits — Company‑paid short‑ and long‑term disability, Calm app membership, tuition reimbursement, commuter and FSA accounts, and broad employee discounts expand everyday wellbeing resources. Free or low‑cost virtual visits complement these lifestyle supports.
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The Company
What We Do
Optum, part of the UnitedHealth Group family of businesses, 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. At Optum, we support your well-being with an understanding team, extensive benefits and rewarding opportunities. By joining us, you’ll have the resources to drive system transformation while we help you take care of your future. We recognize the power of connection to drive change, improve efficiency and make a difference in health care. Join a team where your skills and ideas can make an impact and where collaboration is key to creating technology that produces healthier outcomes.
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Optum Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Optum has three workplace models that balance the needs of the business and the responsibilities of each role. These models, core on‑site (5 days/week), hybrid (4 days/week) and telecommute or fully remote, vary by country, role and location.
Typical time on-site:
Not Specified
