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Me

Zachary Yu

I'M ZACHARY YU.
I love building, startups, people, basketball, and jazz.

I build full-stack web applications and ML models.

RECENTLY:
- 3x Finalist in National Big Data Challenge
- Made an app with over 4K users
- Currently making vibeornot.com
- Currently making AI clones of everyone

GOALS

I want to make very cool shit.

My Projects

Projects

Medispense

Medispense - UTRAHacks 2025

February 2025 • Winner

A comprehensive healthcare solution with Arduino hardware, iOS app, and cloud backend for smart medication dispensing and patient management.

TypeScript Python C++
NoRot

NoRot - HammerHacks 2024

November 2024 • Winner

A Chrome extension designed to help young internet users break free from "brainrot" content and develop more meaningful communication patterns online.

JavaScript Python OpenAI API

Veridata - SolutionHacks 2025

June 2025 • Winner

World's first AI-powered BS detector that verifies advertisement claims using Google Gemini API and huggingface sentiment analysis models.

FastAPI Google Gemini AI TextBlob

Try out the rest of my projects here

Research Papers

Optimizing Budget Allocations in Ontario School Boards

Canadian Science Publishing • Feb 2025

Research on optimizing budget allocations in Ontario school boards for efficient, equitable, and inclusive education through data-driven analysis and policy recommendations.

Data Analysis Policy Research Education

Spatial Analysis of Plant Species and Biological Variety

Canadian Science Publishing • May 2024

Utilizing spatial analysis to identify correlations between plant species and biological variety to determine traits that foster biodiversity in ecosystems.

Spatial Analysis Ecology GIS

Housing Factors and Life Satisfaction for Sustainable Living

Canadian Science Publishing • Apr 2023

Investigating the correlation between various housing factors and life satisfaction to build a model for sustainable living and improved quality of life.

Statistical Analysis Urban Planning

Experience

Software Engineer
CacheAI • August 2025 - Present
Building intelligent caching solutions and AI-powered optimization systems. Contributing to cutting-edge technology that improves application performance and user experience.
• Developing scalable caching architectures and optimization algorithms
• Implementing AI/ML models for intelligent data management
• Collaborating on full-stack development with modern technologies
• Contributing to performance improvements and system reliability
Founding Software Engineer
Hands • June 2025 - August 2025
Early-stage startup focused on innovative technology solutions. Contributed to foundational architecture and product development as one of the first engineering hires.
• Built core product features from ground up
• Established engineering best practices and development workflows
• Collaborated directly with founders on product strategy
• Rapid prototyping and iterative development in startup environment

Memory Lane

Y Combinator
Very Cool People
Sept 2025
Got dinner with YC, got boba with Mintlify, met other important people. Got inspired at Waterloo Tech Week.
TerraHacks
TerraHacks
Aug 2025
Met some very cool people at TerraHacks. Made tinder for finding medical trial / volunteer participants.
UW Mafia
UW Mafia
Sept 2025
Met cracked people who I can't believe are my age. Got invited to Akatose hacker house.
HammerHacks
Winning at HammerHacks
Nov 2024
Won HammerHacks with some good friends. Made grammarly but for brain-rot
SolutionHacks
Winning at SolutionHacks
July 2025
Won SolutionHacks during my first solo hackathon. Made the world's 1st AI bullshit detector.
Big Data Challenge National Finals
Big Data Challenge National Finals
Feb 2025
Went to the Big Data Challenge National Finals for the 3rd time. Published an ML paper with some good people.
beer town
Locked In
Sept 2025
Normal dinner with waterloo cs kids.
grad
Graduation
June 2025
Walked on stage. Won awards. Made parents proud.
piano
Piano
March 2008
Touched a piano for the first time.