Senior .NET Full-Stack Engineer — Remote Health Tech

UnitedHealth Group; Richardson (TX); Remote; USD 92,000 - 164,000; Full time

Job summary

UnitedHealth Group is seeking an experienced software engineer to design, develop, and deploy scalable enterprise applications. You will work across backend, API, and frontend layers, ensuring security, performance, and maintainability.

You’ll collaborate with cross-functional teams in an Agile environment, mentor engineers, and contribute to AI-enabled solutions while adhering to best practices and architectural standards. This role offers remote work possibilities within the U.S.

Qualifications

• Bachelor's degree or equivalent experience.
• 8+ years designing and developing large enterprise solutions using C#, .NET Framework, .NET Core, SQL Server, Entity Framework, micro services architecture, and domain driven design.
• 5+ years of technical experience designing and developing web solutions using Angular and React.
• 4+ years of experience designing, developing, and integrating RESTful APIs and microservice architectures.
• 2+ years of experience designing and deploying cloud-native applications on Microsoft Azure (including Azure Functions or similar serverless components).
• 1+ years of hands-on experience orchestrating and managing containerized deployments using Azure Kubernetes Service (AKS) or equivalent Kubernetes-based container technologies.
• 1+ years Experience with AI productivity and engineering tools such as GitHub Copilot, Microsoft 365 Copilot, Codex, Claude, and Visual Studio Code-based AI-assisted
• 1+ years Proven solid engineering fundamentals including APIs, microservices, scalable system design, testing, debugging, documentation, and secure development practices

Responsibilities

• Design, develop, test, and maintain scalable enterprise applications using C#, ASP.NET Core/.NET Core, Web APIs, and SQL Server.
• Architect and implement microservices-based solutions, ensuring high availability, scalability, security, and performance.
• Develop and consume RESTful APIs and integrate with internal and external systems.
• Build responsive and user-friendly front-end applications using Angular, TypeScript, HTML5, CSS3, and Bootstrap.
• Design and optimize database schemas, write efficient T-SQL queries, stored procedures, and performance-tuned SQL solutions.
• Implement secure authentication and authorization mechanisms using JWT, OAuth 2.0, and industry best practices.
• Maintain CI/CD pipelines using GIT actions to automate build, deployment, and release processes.
• Containerize applications using Docker and deploy/manage workloads on Kubernetes platforms.
• Collaborate with cross-functional teams including Product Owners, Architects, QA Engineers, and DevOps teams to deliver high-quality solutions.
• Apply SOLID principles, Clean Architecture, Design Patterns, and best coding practices to ensure maintainable and robust software.
• Participate in code reviews, technical design discussions, troubleshooting, and root cause analysis of production issues.
• Develop unit and integration tests to ensure application quality, reliability, and performance.
• Monitor applications, identify bottlenecks, and implement performance improvements.
• Work within Agile/Scrum teams, contributing to sprint planning, estimation, backlog refinement, and release activities.
• Mentor junior developers and contribute to continuous improvement initiatives, technical standards, and engineering best practices.
• Design, develop, and deploy AI-powered solutions to address complex business challenges with emphasis on responsible use of AI.
• Development skills - As an AI Builder create Code for the project along with other development resources

Skills

C#

ASP.NET Core/.NET Core

SQL Server

Entity Framework

Microservices

Domain Driven Design

RESTful APIs

Angular

React

Azure

AKS

Education

Bachelor's degree in Computer Science/Software Engineering

Tools

Azure DevOps

GitHub Actions

Docker

Azure Kubernetes Service (AKS)

Visual Studio Code

Job description

UnitedHealth Group is seeking an experienced software engineer to design, develop, and deploy scalable enterprise applications. You will work across backend, API, and frontend layers, ensuring security, performance, and maintainability.

You’ll collaborate with cross-functional teams in an Agile environment, mentor engineers, and contribute to AI-enabled solutions while adhering to best practices and architectural standards. This role offers remote work possibilities within the U.S.