Senior Software Engineer

UnitedHealth Group•Hartford, CT

3d•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. The health solutions marketplace is hungry for new ideas, innovative products and software that drive elevated performance for the business and the customer. Optum, part of the UnitedHealth Group family of businesses, is feeding incredible solutions to that marketplace everyday by bringing out the best in our software engineering teams. We serve customers across the health system. Not only do we have more of them every day, we also have more technology, greater data resources and far broader expertise than any competitor anywhere. We’re out to change the way our businesses and consumers engage with technology. If you’re in, you’ll be challenged like never before. It’s time to join this history making. You will enjoy the flexibility to telecommute from anywhere within the U.S. as you take on some tough challenges. You’ll be rewarded and recognized for your performance in an environment that will challenge you and give you clear directions on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

Requirements

5+ years of experience with C#/.NET Core, MS SQL/T‑SQL, and building web and Windows applications
5+ years of experience with front‑end and API technologies, including React, JavaScript, jQuery, AJAX, CSS, HTML, and RESTful API development
2+ years of Cloud and DevOps experience including Azure Cloud, Docker, Kubernetes, Helm, Terraform, Linux, PowerShell, GitHub Actions, and CI/CD tools
1+ years of experience developing services, functions, and patterns using OpenAI technologies and leveraging AI tools such as GitHub Copilot, Spec Kit, Codex, and Claude

Nice To Haves

Experience with Vue.js
Healthcare industry knowledge
Strong documentation skills
Expertise in performance and scalability optimization
Knowledge of software and infrastructure security best practices

Responsibilities

Participate in all phases of the software development lifecycle, including requirements analysis, system design, development, testing, deployment, and ongoing maintenance
Design and implement high‑quality product features, including reusable components, frameworks, and libraries that support long‑term scalability and maintainability
Collaborate closely with business stakeholders, product owners, and IT partners to translate requirements into technical solutions
Develop scalable, reliable, and secure software solutions aligned with architectural standards and engineering best practices
Contribute to and operate within an Agile/Scrum environment, participating in sprint planning, reviews, retrospectives, and other team ceremonies
Troubleshoot complex technical issues, identify root causes, and implement durable solutions to improve system performance and stability
Ensure code quality through peer reviews, automated testing, and adherence to established development standards
Continuously improve the software development process and contribute to the technical roadmap through innovation and thought leadership