Lead Data Scientist
Job Description
Primary Responsibilities: Lead end-to-end training and fine-tuning of Large Language Models (LLMs), including both open-source (e.g., Qwen, LLaMA, Mistral) and closed-source (e.g., OpenAI, Gemini, Anthropic) ecosystems Architect and implement GraphRAG pipelines, including knowledge graph representation and retrieval for enhanced contextual grounding. Design, train, and optimize semantic and dense vector embeddings for document understanding, search, and retrieval. Develop semantic retrieval sys…
Requirements
Employment Type
Permanent
Category
IT Jobs
About Optum
Location: India, Telangana, Hyderabad
Industry: IT Jobs