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 models integrating UI/UX, web frameworks, and databases, with expertise in , Python, and PostgreSQL. I develop websites and web applications using Quarto and Shiny. I integrate AI-powered CLI tools and IDEs into my daily development workflows.