Fei Han

About Fei Han

Senior AI Engineer specializing in Natural Language Processing (NLP), Large Language Models (LLMs), and Generative AI (GenAI). • 7 years of experience in statistical analysis, machine learning, deep learning, and LLMs, with applications in Anomaly Detection, Process Optimization, Search, Recommendation, RAG Chatbots, and AI Agents.• Robust quantitative, modeling, and programming skills.• Tools: Python, TypeScript, Node.js, SQL, Scikit-Learn, PyTorch, TensorFlow, Transformers, NumPy, Pandas, SciPy, Matplotlib, Seaborn, OpenCV, Beautiful Soup, Flask, FastAPI, TorchServe, ONNX, TensorRT, Triton, vLLM, SGLang, Pinecone, Chroma, FAISS, Redis, Neo4j, Llama-Factory, LangChain, LangGraph, LlamaIndex, CrewAI, Ragas, HTML/CSS, Streamlit, Linux, Docker, Git• AWS: EC2, Sagemaker, Bedrock, OpenSearch, Lambda, API Gateway, RDS, DynamoDB, S3, ECR• Accompolished physicist with 80+ publications and citations. My google scholar profile: https://scholar.google.com/citations?hl=en & & view_op=list_works & sortby=pubdate

Experience

1. Senior Ai Engineer

   Microsoft

   Mar 2026 — Present · Redmond, WA, US

Education

• Chinese Academy of Sciences

  Doctor of Philosophy (PhD), Condensed Matter Physics

  2007 — 2012

• University of Science and Technology of China

  Bachelor of Science (BS), Materials Physics

  2003 — 2007

Skills

• Science
• Cryogenic Measurements
• Tem
• Scanning Electron Microscopy
• Sem
• Powder X-Ray Diffraction
• Condensed Matter Physics
• Superconductors
• Single Crystal Growth
• Solid State Characterization
• Solid State Spectroscopy
• Xafs
• Single Crystal X-Ray Diffraction
• Solid State Synthesis
• Pdf
• Experimentation
• Crystallography
• Neutron Diffraction
• Solid State Chemistry
• Thermal Analysis