William
Trantan
Computer Science student building polished digital experiences. Passionate about code, hockey, and everything in between.
Who I am
CS&E Student
UC Merced
Born in Minnesota, raised in San Jose. I graduated with a Bachelor's in CSE at UC Merced, driven by a lifelong passion for building things with code. From fun side projects to polished software.
Outside of engineering I spend time playing hockey, going hiking, swimming or playing video games. Keeping myself active while away from the computer, besides video games.
Tech Stack
JavaScript
TypeScript
Python
SQL
SQLite
Flask
Git
React
Node.js
Express
Next.js
C++
C
RESTful API
Bootstrap
Tailwind
Material UI
Three.js
Docker
HTML
CSS
MongoDB
Java
Dart
Flutter
Arduino
Firebase
GodotWhere I've worked
CITRIS and the Banatao Institute
May 2025 – Aug 2025Full-Stack Developer Intern
Remote
- ▹Developing a media web platform with Tiny Health Tales and tooling for creation of health flyers.
- ▹Designing accessible UI/UX and MERN stack for efficient storage of media.
- ▹Participating in CITRIS workshops focused on professional skills, tech innovation, and public-interest technology.
X10e
Jan 2025 – May 2025Full-Stack Developer Intern – LLM Model for Health Data
Remote
- ▹Developed an AI-powered mobile health assistant integrating simulated biosensor data with a LLM.
- ▹Built a retrieval-augmented generation (RAG) pipeline using AWS to analyze biomarkers from 20+ research papers.
- ▹Delivered a cross-platform Flutter app with real-time health data visualization and multi-device support.
Tiny Health Tales
Dec 2023 – Aug 2024Frontend Web Developer
Remote
- ▹Designed and developed a responsive website from scratch using React and TypeScript for health education outreach.
- ▹Produced user-friendly interfaces reaching ~40 users in the San Joaquin Valley.
- ▹Collaborated with team members to prepare the platform for future media integration.
Igniteducation
Nov 2020 – Jul 2021Frontend & Mobile Web Developer Intern
Remote
- ▹Redesigned the company website using HTML, CSS, Bootstrap, and WordPress, improving mobile responsiveness by 30%.
- ▹Enhanced mobile accessibility by adjusting visual elements for smaller screens.
- ▹Utilized Photoshop to redesign logos and enhance visual consistency across pages.
Projects
Portfolio Website
Personal portfolio built with Next.js, React, and Tailwind CSS featuring animated UI and smooth scroll navigation.
KarimeRank
A responsive K-pop idol card ranking application powered by an Elo system. Features interactive visual effects and robust data integration capable of handling approximately 10,000 daily high-volume API requests.
Chat & Chill
A winter-themed multiplayer web game featuring real-time chat, snowball mechanics, and rarity-based fishing within randomly generated shared lobbies, seamlessly supporting up to 8 concurrent players.
KarinaSys
An introductory exploration of 3D web development with Three.js, demonstrating the fundamentals of manipulating geometries, lighting, and camera perspectives within a digital space.
Cauldron Creates
A full-stack recipe generation application that utilizes AI to instantly brew healthy, step-by-step meals based on whatever ingredients users currently have on hand. Designed to reduce food waste and streamline meal prep, it features calorie tracking and a personalized digital cookbook for saving favorite dishes.
Profit Prophet
An AI-powered personal finance assistant that integrates secure banking data to analyze transactions and deliver personalized budgeting advice. Features an intelligent, real-time chatbot designed to empower users with smarter saving strategies and actionable financial clarity.
See everything on GitHub
More projects, contributions, and experiments