Senior .Net Full-Stack Engineer

UnitedHealth Group•Brentwood, TN

1d•$91,700 - $163,700•Remote

About The Position

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 diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together. As a Senior Software Engineer, you will join an innovative and collaborative team focused on building, scaling, and optimizing modern healthcare platforms. You will play a key role in designing high-quality software architectures, creating serverless API integrations, and deploying microservices within state-of-the-art containerized environments. Working primarily with C#, Microsoft Azure, Azure Functions, and Azure Kubernetes Service (AKS), you will help develop systems that enhance operational performance and support critical patient and clinical outcomes. You will enjoy the flexibility to telecommute from anywhere within the U.S. as you take on some tough challenges.

Requirements

Bachelor's degree in Computer Science, Software Engineering, or a related technical field OR having equivalent experience
6+ years of professional software engineering experience using C# and .NET frameworks
3+ years of experience designing and deploying cloud-native applications on Microsoft Azure (including Azure Functions or similar serverless components)
3+ years of experience designing, developing, and integrating RESTful APIs and microservice architectures
1+ years of hands-on experience orchestrating and managing containerized deployments using Azure Kubernetes Service (AKS) or equivalent Kubernetes-based container technologies
1+ years of Terraform experience

Nice To Haves

Official Microsoft Azure certifications (e.g., Azure Developer Associate, Azure DevOps Engineer, or Azure Solutions Architect)
Strong experience designing, configuring, and executing automated CI/CD pipelines (e.g., Azure DevOps, GitHub Actions)
Experience working with both relational databases (SQL Server) and NoSQL databases (Cosmos DB) including query optimization
Excellent understanding of Agile/Scrum delivery frameworks and software security best practices (OAuth, API Gateway security)
Experience working with UI technologies such as Angular, React, Vue or similar technologies
1 year of experience in AI, Python, Langchain
1 year of experience working with Codex, Copilot

Responsibilities

Design, write, test, and maintain high-quality, scalable code using C# and modern .NET frameworks
Develop and configure cloud services, focusing on Azure Functions, serverless architectures, and robust API endpoints
Deploy, manage, and orchestrate containerized microservices within Azure Kubernetes Service (AKS)
Collaborate closely with architects, product owners, and engineering peers to transform complex business requirements into high-performing technical solutions
Maintain and optimize continuous integration and continuous deployment (CI/CD) pipelines to support rapid, secure software releases
Use enterprise-approved AI tools to streamline workflows, automate repetitive development tasks, and drive continuous improvement in engineering velocity
Evaluate emerging technical trends to inform solution design, optimize code performance, and foster strategic innovation
Perform peer code reviews, champion engineering best practices, and provide technical guidance to team members
Design, develop, and deploy AI-powered solutions to address complex business challenges with emphasis on responsible use of AI