Jimmy He
Engineer. Builder. Problem Solver.
About Me✨
I’m a full stack developer passionate about building intuitive, user-centered digital experiences.
I blend front-end craft with robust back-end architecture to deliver products that are both beautiful and functional. My approach combines technical precision with design sensibility, creating solutions that are performant, secure, and accessible.
Outside of coding, you’ll find me weightlifting, playing basketball, or solving puzzles—always striving for growth and creativity.
"The best way to predict the future is to invent it."– Alan Kay
Skills
⚡
Python
Java
JavaScript
SQL
HTML5
CSS3Featured Projects
Here are some of my recent projects that showcase my skills and experience in full-stack development, with a focus on building end-to-end web applications using modern technologies.
ML-Powered Customer Analytics Platform
Microservices backend on AWS integrating XGBoost/MLP models with PostgreSQL, plus a responsive React dashboard for customer churn analysis.
- Deployed scalable microservices on AWS ECS.
- Integrated XGBoost/MLP models for real-time churn prediction.
- Built interactive dashboard with dynamic charting.
Karaoke Room Booking System
Web-based karaoke room reservation platform with live availability and smart time slot recommendations.
- Implemented user authentication and live room status.
- Optimized SQLite schema for performance.
- Smart time slot recommendations.
Experience
Machine Learning Research Assistant
NUU Mobile Sponsored Research
- •Built automated Python data processing pipeline using pandas and NumPy to handle large customer datasets, reducing manual preprocessing time by 75% and enabling faster model iteration cycles.
- •Created comprehensive data visualizations using matplotlib and seaborn following academic research standards, revealing key customer behavior patterns including seasonal churn trends and feature correlations for publication-ready research.
- •Performed comprehensive data preprocessing including missing value imputation and feature engineering on multi-dimensional datasets, preparing clean analytical inputs using statistical methods.
- •Collaborated with mentor and research team to extend capstone findings, utilizing Overleaf for professional documentation and maintaining research project continuity through ongoing sponsorship.
Full Stack Developer
UW-Madison x NUU Mobile Capstone Project
- •Developed Flask API endpoints to serve processed data from PostgreSQL database, implementing secure authentication and optimized data formatting that improved frontend load times by 40%.
- •Led frontend development using React, designing and implementing responsive dashboard interface with interactive data visualizations for customer analytics insights.
- •Collaborated in Agile development environment using GitHub/Jira for version control and sprint management, implementing Docker containerization and coordinating with NUU Mobile’s lead data scientist for requirements translation.
Student Team Lead
Rheta’s Market, UW-Madison
- •Supervised team of 30+ employees across multiple daily shifts over 3.5 years, implementing process improvements and training protocols that maintained smooth operations and high service standards.
- •Analyzed daily inventory patterns to optimize stock levels and ordering decisions, contributing to reduced stockouts and minimized food waste in fast-paced retail environment.
CS Student Advisory Board Member
UW-Madison
- •Conducted student surveys on CS curriculum improvements, analyzing feedback from 200+ students to identify areas for program enhancement and presenting data-driven recommendations.
- •Collaborated with Chair of UW-Madison Computer Science Department and advisors to advocate for curriculum improvements, contributing to policy discussions affecting 1,500+ CS students.