Katie Chai
WorkPlayREADME.md

Made with ❤️ by Katie Chai

👋 Hi, I'm Katie

I'm interested in building systems that combine
intelligence, infrastructure, and thoughtful design.

Katie Chai

👩‍🔬Current Projects

Regolith

Public⚠️in progress: coming soon!

A research and engineering effort focused on intelligent physical systems for autonomous industry.

jeancha.ai

Public

A sailing game built with React Three Fiber, custom GLSL shaders, and graph-based exploration

TypeScript

Resy Bot

Private

An tool to help manage resy reservations. The production version isn't public, but email me if you'd like to learn more.

Python

NC ASK

Public

An RAG educational platform (React, TypeScript, FastAPI, Supabase vector database, Gemini) that provides info about NC autism resources

TypeScript

👩‍💻CS Projects

🕸️Web Development (TypeScript, JavaScript, HTML/CSS)

jeancha.aiPublic

A sailing game built with React Three Fiber, custom GLSL shaders, and graph-based exploration

TypeScript
NC ASKPublic

An RAG educational platform (React, TypeScript, FastAPI, Supabase vector database, Gemini) that provides info about NC autism resources

TypeScript
PO AgentPrivate

An agent pipeline for pharmacy order batching, with a React dashboard for live results. Private repo. Email me to learn more!

Python
Paywall RemoverPublic

A Chrome extension that removes CSS-based paywalls by targeting overlay elements, removing fixed-position obstructions, and optionally opening archive.today.

JavaScript
LinkedIn Queens SolverPublic

A DOM bot I use to solve LinkedIn Queens.

JavaScript
Adventure Time GamePublic

A choose-your-own-adventure game I created based on my favorite TV show, Adventure Time

JavaScript
CATCH WebsitePublic

A website / inventory management system for Carolina Adapts Toys for Children (CATCH)

JavaScript
ReSearchPublic

A research discovery platform aggregating faculty across UNC, Duke, and NC State using web scraping.

TypeScript
Allergy ForecasterPublic

An allergy forecasting web app combining the Google Maps Pollen API with custom REST services.

JavaScript
A Cookbook WebsitePublic

A Korean cookbook website with family recipes, built with HTML/CSS.

HTML
Genetics of Cancer WebsitePublic

An educational website on cancer genetics with Hotjar instrumentation for user analytics.

HTML

⚙️AI Infrastructure

Research ToolkitPublic

A personal collection of Claude Code skills and workflows for AI-assisted research.

Engineering ToolkitPrivate

A personal collection of Claude Code skills and workflows for AI-assisted engineering.

👾Embedded Systems (C, MIPS, Logisim)

Build Your Own Computer (C)Public

A semester-long project where I built different parts of a computer! This is my C code:

C
BYOC (MIPS)Public

A semester-long project where I built different parts of a computer! This is my MIPS code:

MIPS
BYOC (Logisim)Public

A semester-long project where I built different parts of a computer! These are my Logisim files:

Logisim
Force SensorPublic

An application I created to read force sensor data from my custom input board.

C
ATtiny LED BlinkPublic

My first embedded project where I programmed an ATtiny 44 to blink an LED.

C

☕️Java

Password ManagerPublic

A password manager implementing a Hash Map.

Java
Patient Priority SystemPublic

A patient priority system implementing a Binary Heap.

Java
AVL TreePublic

An implementation of an AVL Tree.

Java
Binary Search TreePublic

An implementation of a Binary Search Tree.

Java
Linked ListPublic

An implementation of a Linked List.

Java
Transaction TrackingPublic

My first Java program to track transactions.

Java
Puzzle GamePublic

An imitation of a simple Akari Puzzle

Java

🐍Python

Resy BotPrivate

A tool to help manage Resy reservations. The production version isn't public, but email me if you'd like to learn more.

Python
CV NailoongPublic

A computer vision, facial expression detection system that matches your expressions to images.

Python
WordlePublic

A replica of the popular Wordle guessing game.

Python
Turtle ArtPublic

An experiment with Python's turtle library.

Python
CS Class Demographic StudyPublic

A data science project on my UNC COMP 110 class.

Python
Durham Traffic Stops StudyPublic

An introductory data science project on Durham traffic stops.

Python

📈SAS / R

Darknet ResearchPublic

A computational sociology project on trust and behavior in anonymous digital markets.

R
EPID ResearchPrivate⚠️in progress: coming soon!

Epidemiology research project for Honors Carolina.

R
BiostatisticsPublic

A few projects from my statistical programming class.

SAS

🎮Unity / C#

VR Maze GamePublic⚠️in progress: coming soon!

A VR maze game project made with UNC CARVR.

C#

💨Swift

Card GamePublic

A few introductory Swift projects that culminate in a simple card game.

Swift
Pomodoro TimerPublic

My first Swift project - a pomodoro timer app.

Swift

🕵️UI/UX Projects

Carolina Adapts Toys for Children
Carolina Adapts Toys for ChildrenPublic⚠️in progress: coming soon!

Design and redesign of the website for a student-run nonprofit that adapts toys for kids the toy market overlooks.

Special Olympics
Special OlympicsPublic⚠️in progress: coming soon!

UX research, redesign, and rebuild of the Special Olympics PA site: simpler navigation for volunteers and more donations.

App Team Carolina
App Team CarolinaPublic⚠️in progress: coming soon!

A semester of UI/UX mockups from App Team Carolina's Design Academy: restaurant, dating, health, and app-redesign concepts.

Jeni's Ice Cream
Jeni's Ice CreamPublic⚠️in progress: coming soon!

A self-directed concept redesign of the Jeni's app, reimagining flavor discovery, gifting, and how frozen pints get ordered.