My name is Pingfan Hu, a PhD candidate in Systems Engineering at George Washington University, advised by Professor John Helveston. My work focuses on data science, quantitative modeling, and software development in human behavior and sustainable transportation. I build software and analytical models that integrate UI/UX, web frameworks, and databases, with expertise in , Python, and PostgreSQL. I develop websites and web applications using Quarto and Shiny. I am proficient in both hands-on programming and LLM-assisted development using tools such as ChatGPT and Claude.