Principal Software Engineer - Remote

UnitedHealth Group•Boston, MA

7d•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 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. We are seeking a highly experienced and visionary Principal Engineer to lead the architecture and engineering efforts for our Voice Security Platform. This platform secures IVR interactions across enterprise contact centers, integrating fraud detection, authentication, and biometrics. The role involves deep technical leadership, cross-functional collaboration, and strategic oversight of vendor integrations and cloud-native transformations. You’ll enjoy the flexibility to work remotely from anywhere within the U.S. as you take on some tough challenges. For all hires in the Minneapolis or Washington, D.C. area, you will be required to work in the office a minimum of four days per week. You’ll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

Requirements

10+ years of experience in backend development using Java and Python, with a focus on scalable, secure, and maintainable codebases
7+ years of experience designing and delivering enterprise-grade solutions across complex organizational landscapes
3+ years of hands-on experience architecting and deploying solutions using AWS services such as Lambda, ECS/EKS, and API Gateway
3+ years of experience in a principal engineering or equivalent technical leadership role, with a track record of guiding cross-functional teams and driving architectural alignment across business units
1+ years of experience building applications leveraging AI/ML or Generative AI technologies
Expertise in asynchronous orchestration using Kafka, Kinesis, and EventBridge, with a solid foundation in designing real-time publish-subscribe systems
Proficiency in Docker-based development, managing enterprise-grade container repositories, and implementing automated CI/CD pipelines for cloud environments
Ability to design and implement multi-layered security frameworks, including ingress/egress controls, data encryption (at rest and in transit), and identity federation
Proven deep understanding of architectural principles such as eventual consistency, fault tolerance, and horizontal scalability in microservices and NoSQL ecosystems
Experience building and integrating observability stacks using OpenTelemetry, log aggregation platforms, and performance monitoring dashboards
Proven working knowledge of prompt engineering, AI guardrails, and knowledge base integration to support intelligent voice interactions and fraud detection

Nice To Haves

Experience with biometric authentication and voiceprint analysis
Familiarity with TEFCA certification and healthcare interoperability standards
Experience implementing GitOps workflows and release management pipelines
Exposure to enterprise governance processes and security assessments (e.g., DAST, MBO check-ins)
Ability to produce architecture diagrams, onboarding materials, and technical documentation

Responsibilities

Responsible for integration with vendor for voice authentication and fraud detection
Support enterprise-grade IVR and telephony architecture
Implement carrier metadata ingestion and onboarding data of contact centers
Design and implement API orchestration and migration across cloud and on-prem systems
Architect high availability, disaster recovery and observability
Daily coordination with cross platform teams