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Brian Xue / prmntr

I build things that ship.

Student @ University of Waterloo — Honours Math (Co-op)

Richmond Hill, Ontario

Contact

Projects

Relay  |  Why buy, when you can borrow?

Relay is a board of everything leaving your campus, built at PivotHacks 2026 - list what you're getting rid of or lending out, pick up, use, and return. It's that simple.

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whitefruit  |  Take back your music!

whitefruit is a program which pulls Spotify, Apple Music, and YouTube Music playlists down as properly tagged audio and pushes them into iTunes. Downloads, dedupes, re-encodes, and syncs - perfect if you're trying to larp an iPod.

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wrth  |  keep your cash.

An expert's opinion on things you're about to buy.

[Product Page]

TeachAssist  |  Privacy-first grades app for 5,000+ students.

A mobile client for York Region's student portal (ta.yrdsb.ca), providing students a fast, private way to check marks, analyze performance, and be notified the moment a grade drops.

[Product Page][View source]

EZU Construction  |  The site + internal tooling behind a construction firm.

A marketing site that actually brings in leads, and the internal tooling the team uses to track projects and evaluations day to day.

[Visit Site][View Source]

Knowmo  |  An AI Discord bot built to empower students.

Knowmo is a study companion that lives in your Discord server. Ask it questions, generate practice material, and keep track of what you're working on, powered by Google's Gemini models.

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Guess Who?  |  A digital take on the classic deduction game.

A recreation of Guess Who?, the classic deduction game where you narrow down a hidden character question by question — played against an AI opponent. Built in Java for ICS4U with team Bytefang.

[View Source]

Hide N Seek  |  The classic child's game, but in Python!

A Hide and Seek game built in Python on top of the Python Graphics library, playable as either hider or seeker, and rich with features. Built for ICS2O, 2024.

[View Source]

This portfolio  |  The thing you're on right now...

The site you're on; a place to showcase my projects, park my thoughts, and display who knows what else. Not your typical purple gradient slopsite.

[View Source][Visit Site... that you're already on]

Tutorly  |  Peer-tutoring platform built at YRHacks 2025.

Tutorly matches students who need help with peers who can give it, built in a weekend with SYSCALL at YRHacks 2025.

[View Source]

EasyAI  |  A lightweight AI helper experiment.

EasyAI is a small experiment in stripping an LLM chat interface down to the essentials — open it, type, get an answer, with none of the surrounding clutter.

[View Source]

Experience

Honours Bachelor of Mathematics, Co-op, University of Waterloo
Sept. 2026 — Present
  • Co-op student in the Faculty of Mathematics.
Aquatic Lifeguard & Swim Instructor, City of Richmond Hill
Aug. 2024 — Sept. 2026
  • Supervise pool activities, enforce safety regulations, and respond to emergencies with water rescues and first aid / CPR.
  • Instruct swim lessons for children and adults, including one-on-one work with children with special needs — adapting methods and pacing to individual progress.
Junior Technical Officer, EZ-U Construction Inc.
Apr. 2025 — June 2026
  • Built and maintained internal frontend + backend tools supporting day-to-day operations for a construction business.
  • Designed and launched the company website (Next.js + Vercel), increasing inbound client inquiries by 40%.
  • Developed an Express.js + PostgreSQL backend for project tracking and evaluation, cutting manual processing time by 25%.
  • Grew social presence by 60% and boosted post engagement by 30%.
Community Event Lead / Volunteer, City of Richmond Hill
Feb. — Oct. 2025
  • Managed public logistics and supervised booth personnel for city-wide municipal operations.
  • Led crowd logistics and delivered public educational programs across city events in a fast-paced environment.
Ontario Secondary School Diploma, Bayview Secondary School
2022 — 2026
  • Ontario Scholar · Honour Roll.
Certifications
  • National Lifeguard Certification — Lifesaving Society
  • Swim & Lifesaving Instructor — Lifesaving Society
  • Emergency First Aid Instructor — Lifesaving Society
  • CPR-C / Standard First Aid

Writing

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© 2026 Brian Xue