About this role
Principal Data Scientist at Optum / UnitedHealth Group. Location: United States. Role: designing systems, building models, monitoring models Requirements: 12+ years experience (5+ in Data Science/AI/ML), Bachelor's or Master's in CS/Data Science/Statistics/Engineering, hands-on ML and LLM experience (Claude 4.6, OpenAI Codex), Python, SQL, ML frameworks, and production ML lifecycle ownership. Category: Data and Analytics Seniority: Senior Level Tools: Scikit Learn, TensorFlow, PyTorch, Claude 4.6, OpenAI Codex, Python, pandas, numpy, SQL, Kafka, PySpark Commitment: Full Time Workplace: Onsite Languages: English