Xinglu Zhao

StealLight 2 – Full-Stack Developer (Fall 2022)

• Built an adaptive learning platform with Spring Boot, MyBatis, Vue.js, and MySQL to deliver personalized course content and quizzes; designed and normalized the database schema, implemented REST APIs and role-based access control, improving system stability by 30%.
• Developed unit tests with JUnit to verify core service-layer logic, achieving 85% code coverage and reducing regression defects.

Language Learning Web Application – Front-End & Data Lead (Spring 2022)

• Developed a bilingual (Chinese & Japanese) learning site with pronunciation guides, dialogues, and quizzes. Built the front-end in HTML/CSS/JavaScript; integrated Firebase for authentication and real-time data storage.
• Led data integration and UI component development within a four-member team.

Django ChatBot – Full-Stack Developer  (Spring 2024) 

• Architected a rule-based chatbot with a Django back end and AJAX front end using a flat-file knowledge base for O(1) lookups; designed a stateless architecture and caching layer and drafted an ML-based intent recognition roadmap.

BWF Player Rankings Data Pipeline – Data Analyst (Spring 2025 )

• Cleaned & merged ~50 K badminton match and ranking entries with Python/pandas; standardized fields to boost merge accuracy by 25%, developed an end-to-end ETL workflow in Jupyter, and uncovered a –0.33 correlation between rank and win rate

Credit-Card Churn Prediction (Fall 2024) 

• Engineered 20+ features and trained logistic regression & random forest models achieving ROC-AUC scores of 0.78/0.85.
• Identified key churn drivers—monthly spend, satisfaction score, complaint count—and recommended targeted retention actions.