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Senior Software Engineer

Chicago, Illinois

Caring. Connecting. Growing together.

With these values to guide us, our people are committed to making a meaningful difference in the lives of those we are honored to serve.

Senior Software Engineer

Requisition number: 2348616 Job category: Technology Primary location: Chicago, IL Date posted: 03/31/2026 Overtime status: Exempt Travel: No

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.

Lead the development of our healthcare technology platform while mentoring a growing engineering team. You'll architect scalable solutions for pharmacy workflows and insurance processing systems, drive technical standards, and take ownership of critical system components that serve healthcare providers.

You will enjoy the flexibility to telecommute* from anywhere within the U.S. as you take on some tough challenges.

Primary Responsibilities: 

Technical Leadership:

  • Architect solutions for complex healthcare integration challenges
  • Drive technical standards for code quality, testing, and deployment practices
  • Lead code reviews and establish patterns for the engineering team
  • Evaluate and introduce new technologies and development practices
  • Performance monitoring and optimization of production systems

System Ownership:

  • End-to-end ownership of critical microservices and data pipelines
  • Production debugging and complex issue resolution
  • Capacity planning and scaling strategy for growing pharmacy network
  • Security reviews and implementation of compliance requirements
  • Documentation of system architecture and operational procedures

Team & Process:

  • Mentor 2-3 engineers directly, providing technical guidance and career development
  • Lead technical discussions and architectural decision making
  • Collaborate with Product on technical feasibility and implementation planning
  • Drive sprint planning and technical task breakdown
  • Participate in hiring and technical interviewing process

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: 

  • 5+ years of Python development experience with 2+ years of experience in senior roles
  • 4+ years of expertise in AWS serverless architecture (Lambda, DynamoDB, S3, SQS) or other cloud provider equivalents
  • 3+ years of experience architecting serverless microservices
  • 3+ years of experience with API design and service integration patterns
  • 3 + years of production experience with high-availability systems handling sensitive data
  • 2+ years of system design skills for complex, multi-service workflows
  • 1+ years of technical leadership experience mentoring engineers and driving architectural decisions
  • Experience collaborating with varied stakeholders for feature development and other domain ownership responsibilities

Preferred Qualifications:

  • Healthcare/pharmacy domain knowledge or regulated industry experience
  • Data pipeline architecture and ETL system design
  • Database performance tuning (PostgreSQL, DynamoDB)

*All Telecommuters will be required to adhere to UnitedHealth Group's Telecommuter Policy.

Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements). No matter where or when you begin a career with us, you'll find a far-reaching choice of benefits and incentives. The salary for this role will range from $91,700 to $163,700 annually based on full-time employment. We comply with all minimum wage laws as applicable.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. 

Application Deadline: This will be posted for a minimum of 2 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants.

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.

UnitedHealth Group is an Equal Employment Opportunity employer under applicable law and qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations.

UnitedHealth Group is a drug - free workplace. Candidates are required to pass a drug test before beginning employment.

#RPO #GREEN

Benefits

Our mission of helping people live healthier lives extends to our team members. Learn more about our range of benefits designed to help you live well.

Life

Resources and support to focus on what matters most to you, in every facet of your life.

Emotional

Education, tools and resources to help you reduce and manage stress, build resilience and more.

Physical

Health plans and other coverage to support wellness for you and your loved ones.

Financial

Benefits for today and to help you plan for the future, including your retirement.

Learn more
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