jobs in Columbia, MO, USA

Senior Data Scientist Key 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 sem