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 perks 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.
- About the Role
- Primary Responsibilities:
- AI Applications & Feature Development
- Develop and refine LLM-based features such as chat, summarization, knowledge search, and data extraction
- Implement RAG (retrieval augmented generation) workflows including preprocessing, embedding generation, and vector search
- Model & Architecture Understanding
- Assist in model interpretability and improving reliability of model outputs
- AI Quality, Evaluation & Safety




- Help improve accuracy by reducing hallucinations through prompting, guardrails, and retrieval improvements
- Support benchmarking, evaluation tests, and quality checks
- Contribute to Responsible AI practices
- Integration & Orchestration
- Build services integrating AI APIs (OpenAI, Azure, open source LLMs)
- Implement tool/agent orchestration flows with guidance from senior team members
- Work with vector databases such as FAISS, Pinecone, or pgvector
- Performance & Optimization
- Contribute to enhancements in latency, throughput, and token efficiency
- Support implementation of model compression and quantization techniques
- Develop caching and batching strategies to improve system performance
- Collaboration & Delivery
- Work closely with product, data, and engineering teams to deliver high quality AI features
- Participate in code reviews, team design discussions, and knowledge sharing
- Comply with the terms and conditions of t

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