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Owen Gretzinger

CS undergrad, software engineer

Work Experience

Aug 2024 - Present
McMaster Eng. Society logo
Software DeveloperMcMaster Eng. Society

Developed a new study room booking portal for the Hatch Centre, building the clubs portal

React
Next.js
MongoDB
Sep 2024 - Jan 2025
DeltaHacks logo
Technical ExecutiveDeltaHacks

Built features for the DeltaHacks 11 application review and judging portals

React
Next.js
tRPC
Prisma
May 2024 - Aug 2024Co-op
Royal Bank of Canada logo
Software Developer, AmplifyRoyal Bank of Canada

Invented and built a patent-pending life insurance application model with a small team of students

React
Node.js
Figma
Sep 2023 - Dec 2023
McMaster University logo
Teaching AssistantMcMaster University

Taught third-year software engineering students about data structures and algorithms (SFWRENG 3XB3)

Python
May 2023 - Aug 2023Co-op
Arctic Wolf logo
Software DeveloperArctic Wolf

Worked on a Chrome extension used by security analysts to speed up their workflows

JavaScript
Node.js
CSS

Projects

Habits Together logo

GitHub

Habits Together

Leader of team building mobile app where you can track habits together with friends

React Native
Firebase
Expo
React Query
HackMate logo

GitHub

HackMate

Get hackathon project inspiration, generate documentation, draft a pitch (GDG Mac-a-Thon 2025 1st overall)

Next.js
React
tRPC
Drizzle
GCP
Gemini
Puppeteer
(A)Intern logo

GitHub

(A)Intern

3D AI video meeting assistant that responds to questions in real-time and takes notes (QHacks 2025)

React
Express
OpenAI API
Websockets
Recall.ai
Monkey Mind logo

GitHub

Monkey Mind

Chrome extension where you have a pet monkey that wears hats, includes social features (UofTHacks 2025)

React
Chrome Extensions API
Express
MongoDB
Websockets
Symphony logo

GitHub

Symphony

Real-time multiplayer web app where your drawings get transformed into music (HackWestern 2024)

React
Websockets
Express
Node.js
Next.js
Jazz Musician Website logoSimple Terms logoRoom Booking System logoPersonal Website v1 logoEducation Data for Change logoServer Insights logoTriangle Ball logoHTML Resume Template logoTempestuous Turrets logoBinary 0101 logoSmiley Face Game logoBoulder Buddies logoHide and Seek Game logoFall Car logo
View code for this website & star my projects on GitHub

That's all

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