Ray Zhang

626-366-8456 | xiayangzhang@berkeley.edu | linkedin.com/in/rayxzhang | github.com/rayxzhang

Education

University of California, Berkeley Berkeley, CA
Bachelor of Arts in Computer Science Expected May 2026
• Relevant Coursework: Data Structures, Algorithms, Computer Architecture, Internet Architecture, Discrete Math & Probability, Linear Algebra, Data Science, Computer Graphics, Database Systems
• Activities: Full-Stack Web Dev DeCal | Mentor, Computer Science Undergraduate Association | President, Chinese Student Association

Experience

Software Engineering Intern | Python, SeleniumBase, Git Jun 2024 – Aug 2024
DrKumo Buena Park, CA (Remote)
  • Built a SeleniumBase-powered automated QA testing framework from scratch, reducing manual test execution by 90% and increasing release velocity.
  • Developed and maintained 50+ automated end-to-end test cases, improving product reliability and reducing production bugs.
  • Partnered with designers and engineers to prototype an internal employee resource page in Figma, accelerating onboarding and knowledge sharing.
IT & Automation Specialist | Excel, HTML Feb 2018 – Present
Dr. Zhang Neurology Victorville, CA (Hybrid, Part-Time)
  • Engineered an Excel automation tool that reduced daily batching & accounting time from 8 hours to under 1 minute (99.8% faster).
  • Resolved high-priority IT incidents, preventing downtime and saving $10k+ in repair costs and hundreds of staff hours.

Projects

Blackjack Card Counting Trainer | TypeScript, React, Node.js, Express, Firebase, Jest, Tailwind, Vercel
  • Developed a responsive React + TypeScript SPA with a Node/Express backend for real-time blackjack strategy & card counting training.
  • Implemented Firebase Auth + Firestore (rules/indexes) for secure profile persistence and session analytics.
  • Created Jest unit/integration tests; deployed on Vercel with Tailwind CSS for mobile-first design.
Auto-Correcting Typing Software | Python
  • Implemented backend logic to measure typing speed and apply intelligent auto-correction, improving test accuracy by 25% in trials.
KeyQuest | Java, Git
  • Built a procedurally generated world engine with real-time input validation and customizable character/environment skins.
  • Implemented core gameplay features including random world generation, menus, and persistent save states.
Ugly Dumplings | Python, AI (LLaMA-2-13B), Git
  • Built an AI-powered web app that generates personalized recipes through ingredient parsing and advanced prompt engineering.
  • Designed a scalable backend API integrating LLaMA-2-13B to dynamically generate cooking steps and ingredient quantities.

Technical Skills

Languages: Java, Python, TypeScript, JavaScript, SQL, GraphQL, HTML, CSS, C, C++, Swift, Scala, Scheme, RISC-V
Frameworks: React, Node.js, Express, SwiftUI
Developer Tools: IntelliJ, VS Code, Spark, Xcode, Git, Vercel, Firebase Console, Jupyter Notebook, Trello
Libraries: SeleniumBase, Tailwind CSS, Jest, pandas, NumPy, Matplotlib, seaborn, truth
Additional: Mandarin (Chinese), Adobe Creative Cloud, Windows & macOS, Freelance Photography, Table Tennis, Juggling