Remote Lead Data Scientist AI/ML & NLP (LLMs)

Standard & Poor's Financial Services LLC is seeking a Lead Data Scientist to guide the design and deployment of ML, NLP, and LLM-based solutions across batch and streaming pipelines. You will architect data ingestion, preprocessing, retrieval, RAG, and prompt engineering using PyTorch, Hugging Face, and LangChain. Collaborate with data science, MLOps, and technology teams to ensure robust evaluation, scalable production deployment on AWS, GCP, or Azure, and governance with strong documentation.