Senior Software Engineer

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 are seeking a Senior Software Engineer to design, build, and support scalable backend services and APIs that power critical business capabilities across Optum Technology. This role is responsible for delivering high-quality software solutions, collaborating across product and engineering teams, and helping evolve our platforms through strong technical leadership and sound engineering practices.

The ideal candidate is a hands-on engineer who enjoys solving complex business problems, building reliable systems, mentoring teammates, and driving continuous improvement across the software development lifecycle using modern tech-forward delivery practices

Primary Responsibilities:

• Design, develop, test, and maintain backend services and REST APIs using .NET and C#
• Partner with product, business, and engineering stakeholders to translate business needs into scalable, resilient technical solutions
• Build reusable services and components that support multiple products and business capabilities
• Take ownership of software solutions throughout the development lifecycle, including production support and continuous improvement
• Contribute to architecture decisions, technical designs, and engineering standards across the team
• Lead code reviews and promote best practices related to quality, performance, security, and maintainability
• Use enterprise-approved AI tools to streamline software development workflows, automate tasks, write tests, and drive continuous delivery improvements
• Troubleshoot production issues, perform root-cause analysis, and drive long-term technical remediation
• Evaluate emerging technologies, tools, and engineering practices to inform solution design and strategic innovation
• Mentor engineers through technical guidance, knowledge sharing, and hands-on collaboration within an Agile delivery framework

What are the reasons to consider working for UnitedHealth Group?   Put it all together - competitive base pay, a full and comprehensive benefit program, performance rewards, and a management team who demonstrates their commitment to your success. Some of our offerings include:

• Paid Time Off which you start to accrue with your first pay period plus 8 Paid Holidays
• Medical Plan options along with participation in a Health Spending Account or a Health Saving account
• Dental, Vision, Life& AD&D Insurance along with Short-term disability and Long-Term Disability coverage
• 401(k) Savings Plan, Employee Stock Purchase Plan
• Education Reimbursement
• Employee Discounts
• Employee Assistance Program
• Employee Referral Bonus Program
• Voluntary Benefits (pet insurance, legal insurance, LTC Insurance, etc.)

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.

Required Qualifications:

• 7+ years of professional software engineering experience
• 5+ years of backend development experience using .NET and C#
• 4+ years of equivalent software development experience
• 3+ years of experience designing, building, and consuming RESTful APIs
• 2+ years of enterprise cloud development experience, AWS preferred
• 2+ years of experience working with relational SQL or NoSQL databases
• 2+ years of experience with modern CI/CD pipelines and source control systems, such as Git or GitHub Actions

Preferred Qualifications:

• Bachelor's degree in Computer Science, Engineering, or a related field
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