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Principal AI/ML Engineer - Enterprise Architect

UnitedHealth Group (Optum)·Chennai

Pay not stated15–27 yrsFull-time

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About the role

As the Principal AI/ML Engineer for GTS , you will drive the architectural design, hands-on development, and production delivery of scalable, resilient, and secure software solutions that integrate AI/ML capabilities into healthcare applications and workflows.

What you'll do

  • Translate business needs into measurable ML tasks. Validate data, establish simple baselines
  • Integrate generative AI and large language models (LLMs) where they add value
  • Use retrieval-augmented generation (RAG), which supplies relevant source content to a model, when appropriate
  • Evaluate accuracy, unsupported claims, latency, and cost
  • Build model-serving interfaces and machine learning operations (MLOps) workflows for versioning, deployment, monitoring, and rollback

What you need

  • 15–27 yrs of experience
  • Machine learning
  • LLMs
  • Python
  • MLOps
  • CI/CD
  • B.Sc or B.Tech or B.E. or BCA

Good to have

  • Terraform

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