Principal 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.

Primary Responsibilities:

• Lead architecture, design, and implementation of IAM solutions (OAuth2, OIDC, SAML, Federation, SSO) across cloud environments
• Build secure, scalable systems using Java, Spring Boot, Kubernetes, AWS
• Define and enforce security architecture, guardrails, and best practices across application, infrastructure, and cloud
• Design security guardrails for Agentic AI, Conversational AI, and Amazon Bedrock (secure prompts, access control, data protection)
• Develop AI/ML-driven security analytics, monitoring, and threat detection for large-scale environments
• Implement and manage AWS services: Lambda, API Gateway, WAF (must), S3, DynamoDB, Vector DB, VPC
• Drive threat modeling, risk assessments, and disaster recovery strategies with automation
• Enable security reporting, observability, and incident response using data-driven insights
• Stay updated on emerging threats, vulnerabilities, and security technologies
• Collaborate with product and engineering teams to define security roadmap and resolve customer security issues
• Mentor teams on secure development and IAM best practices; act as SME across organization
• Work effectively with global teams across time zones
• Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regard to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment). The Company may adopt, vary or rescind these policies and directives in its absolute discretion and without any limitation (implied or otherwise) on its ability to do so

Required Qualifications:

• Undergraduate degree or equivalent experience

• Solid experience with AWS bot integrations, including Amazon Connect

• Hands-on expertise in implementing and managing Terraform configurations for infrastructure as code
• Proven experience leveraging AWS AI services, including:
  • Experience designing and implementing Retrieval-Augmented Generation (RAG) architectures
  • Experience integrating observability and analytics tools such as CloudWatch, Datadog, and Power BI to generate actionable insights and chat metrics
  • Amazon Bedrock and Agentic AI capabilities
  • Amazon Lex for conversational interfaces
  • Semantic search and advanced AI orchestration (e.g., agent frameworks such as Agent Strands)
  • Solid understanding and implementation experience of OAuth 2.0, with a solid focus on enterprise identity governance and security standards
  • Proficiency in using AWS testing frameworks and test benches to simulate, validate, and optimize code and configurations
  • Solid programming skills in Python and Java, with the ability to build scalable, production-grade applications.

Preferred Qualifications

• Experience with LivePerson integration

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.