Seeking Summer 2027 Internship/Co-op Opportunities
Yanzhen Chen
Computer Science · Mathematics · Statistics @ UofT
University of Toronto student passionate about software development, system design, and creating innovative solutions that solve real-world problems.
Toronto, ONComputer ScienceMathematicsStatistics
01About
Turning ideas into polished, real-world software.
I'm a Computer Science Major at the University of Toronto with minors in Mathematics and Statistics. I have a strong foundation in programming principles and a passion for building efficient, reliable software.
My academic journey combines mathematical rigor with hands-on software development. I'm particularly interested in software development and systems, designing full-stack applications, backend services, and developer tooling that solve real-world problems.
I've been actively involved in the Computer Science Student Union as the President, after serving as Vice President of External Relations for two years, where I secured sponsorships and organized events to enhance professional development opportunities for students.
I'm currently seeking internship opportunities where I can apply my skills in software development and systems to contribute to meaningful, real-world projects.
At a glance
- Education
- HBSc Computer Science, Math & Stats minors
- Focus
- Software development, systems & full-stack engineering
- Status
- Seeking Summer 2027 Internship/Co-op Opportunities
02Projects
Things I've designed, built, and shipped.
A selection of personal projects, hackathon builds, and tools, spanning web apps, machine learning, and developer utilities.
LeetCord
Discord bot for LeetCode communities with linking, daily tracking, streaks, and leaderboards.
TypeScript
Discord.js
Prisma
PostgreSQL
Job Bot
Discord bot that discovers software engineering internships across Ashby, Greenhouse, Lever, and Workday, then de-duplicates, scores, and posts them as rich embeds.
Python
discord.py
SQLAlchemy
PostgreSQL
Docker
Train in a Snap
Immersive AR safety training prototype with real-time voice guidance.
Python
TypeScript
Flask
Snap3D
Vapi Voice AI
Gridwright
Daily logic and word puzzle platform with four games, procedurally generated boards verified by a solver, seeded daily challenges, and full offline play.
Next.js
TypeScript
React
Tailwind
Zustand
Indoor Outdoor Classifier
Flask web app that classifies indoor and outdoor images using a custom-trained CNN with 85% validation accuracy.
Pytorch
Flask
Matplotlib
scikit-learn
Player Profile Analyzer
Game performance metrics analysis tool for League of Legends
Next.js
React.js
TypeScript
03Skills
Tools and technologies I work with.
The languages, frameworks, and tools I reach for when building and shipping software.
Languages
11
Python
TypeScript
JavaScript
Java
Ruby
Go
C
SQL
HTML
CSS
RFrameworks
09
React
Next.js
Node.js
Express
React Native
Expo
Vite
Tailwind CSS
Ruby on RailsDatabases & Infrastructure
06
AWS
PostgreSQL
Supabase
Prisma
Docker
NginxDeveloper Tools & ML
08
Git
GitHub Actions
PyTorch
scikit-learn
OpenCV
Pandas
NumPy
Matplotlib04Education
Where I'm studying.
HBSc. Computer Science Major, Mathematics & Statistics Minors, with Co-op
Sep 2023 – Apr 2028University of Toronto
CS GPA: 3.82Cumulative GPA: 3.33
Relevant coursework
- CSC494: CS Project, IQBank
- CSC485: Computational Linguistics
- CSC413: Neural Networks & Deep Learning
- CSC384: Intro to Artificial Intelligence
- CSC373: Advanced Algorithms
- CSC369: Operating Systems
- CSC343: Introduction to Databases
- CSC311: Intro to Machine Learning
- CSC309: Programming on the Web
- CSC263: Data Structures & Analysis
- CSC258: Computer Organization
- CSC209: Software Tools & Systems Programming
- CSC207: Software Design
- CSC165: Mathematical Expression & Reasoning
- CSC148: Introduction to Computer Science
- CSC108: Introduction to Computer Programming
05Experience
Where I've worked.
Software Engineer Intern
May 2026 – PresentBree (YC S21), Toronto, ON
- Selected as 1 of 3 Software Engineering interns from a pool of 3,000+ applicants.
- Led the migration of Bree's production React Native application from React Navigation to Expo Router across 78 screens and 230+ navigation call sites; scoped a 4-milestone, 25-ticket roadmap, built migration infrastructure, and coordinated delivery through incremental releases.
- Designed a dual-mode navigation architecture preserving all 9 existing helper APIs, implemented typed routes, deep-link ownership, analytics parity, and route-completeness validation, then verified both routing implementations against the application's 745-test Jest suite.
- Built production full-stack features for a consumer fintech platform serving over 800,000 users using React, Material UI, AWS Lambda, Netlify Functions, and Supabase/PostgreSQL; delivered internal tooling, workflow automation, secure data exports, and operational improvements for customer-support teams.
- Built operational automation for Zendesk and Slack, implementing repeated-customer detection, duplicate-reply detection, refund routing, chargeback handling, and backend improvements for application-state accuracy.
Teaching Assistant
Jan 2026 – PresentUniversity of Toronto, Department of Computer Science
- CSC165H1: Mathematical Expression and Reasoning for Computer Science (Winter 2026).
Educational Technology & UX Developer
May 2025 – Mar 2026U of T, Faculty of Applied Science, Engineering Career Centre
- Developed digital learning platforms and UI/UX improvements for the PEY Co-op Hub, used by 5,000+ engineering PEY students, increasing content engagement by 25% through enhanced navigation and accessibility.
- Designed and implemented a structured process for Quercus shell creation, reducing setup time by 70% and identifying key inefficiencies in existing workflows.
- Established a reliable backup system for 10+ preparatory and co-op program shells, streamlining instructor workflows and reducing content recovery time by 90% despite automation limitations in Canvas.
- Earned an 8-month extension beyond the initial 4-month term in recognition of excellent performance.
06Leadership
Leadership & volunteer experience.
Roles where I've led teams, organized events, and given back to the community.
President
May 2026 – PresentComputer Science Student Union, Toronto, ON
- Lead a 10-person executive team, overseeing technical initiatives and student programming for the union.
Vice President of External Relations
May 2024 – Apr 2026Computer Science Student Union, Toronto, ON
- Raised a total of $14,300 in sponsorships over two years by securing collaborations with 10 companies.
- Led a team of 3 associates to organize 8 professional development events, including information sessions, resume review panels, and networking mixers.
- Hosted 3 career fairs connecting students with employers for recruitment opportunities; events and fairs reached over 2,300 students combined.
Technical Lead & Software Engineer
May 2026 – PresentIQBank, Toronto, ON · Hybrid
- Lead a team of 6 developers, driving architecture decisions, reviewing pull requests, mentoring newer contributors, and coordinating frontend and backend feature delivery.
- Built administrative features using React, TypeScript, Node.js, Prisma, and PostgreSQL, including role-based access control and bulk CSV account creation for an exam-preparation platform serving 300+ students each semester.
Software Engineer
Jan 2026 – Apr 2026IQBank, Toronto, ON · Hybrid
- Built a user profile system in a TypeScript monorepo using React, Tailwind CSS, Node.js, Prisma, and PostgreSQL for an exam-preparation platform serving 300+ students per semester.
- Implemented local-storage-backed draft persistence for discussion threads, letting users resume unfinished posts across sessions.
- Worked under the supervision of Prof. Kuei Jack Sun on IQBank, a production-grade exam preparation platform used by university students.
Open Source Software Engineer
May 2026 – PresentUniversity of Toronto, Department of Computer Science, MarkUs Project · Toronto, ON
- Contributed 20 merged pull requests to MarkUs, an open-source Ruby on Rails assignment-management platform used by over 15,000 students across the University of Toronto, University of Waterloo, and École Centrale de Nantes, improving authentication, instructor workflows, course administration, and testing infrastructure.
Software Engineer
May 2025 – PresentUniversity of Toronto Machine Intelligence Team
- Developed features for a Next.js, TypeScript, and Supabase platform serving 1,500+ monthly visitors, including administrative tooling and access-control functionality.
- Contributed 15 merged pull requests implementing administrative tooling, responsive interfaces, analytics integration, and performance improvements.
Workshop Facilitator
Sep 2024 – Apr 2025The Fields Institute for Research in Mathematical Sciences
- The Fields Trip program gives schools across Ontario the chance to bring students to the Department of Mathematics for a 75-minute math workshop, introducing concepts not typically covered in the standard curriculum.
- As a workshop facilitator, I prepare lesson plans ahead of time and lead students through the chosen topic.
07Contact
Let's build something together.
Have an opportunity, a project, or just want to say hello? Drop me a message and I'll get back to you as soon as I can.
Reach me directly
LocationToronto, Ontario, Canada
AvailabilityOpen to internships & project collaborations