About Me

I'm a passionate Full Stack and Mobile Engineer with 9+ years of experience creating innovative digital solutions. My journey spans from designing top-ranked mobile games to building complex web applications and winning hackathons.

Recent Experience

Software Lead - VitalMark @ Medico Supplies, Inc.

Sept 2025 - Present

- Led the architecture design and development of the VitalMark product line: iOS app with SwiftUI and UIKit for real-time BLE health data visualization and web app for Kickstarter project marketing

Full Stack Engineer @ Medico Supplies, Inc.

Mar 2025 - Sept 2025

- Improved .NET desktop app performance by addressing memory leaks in C#
- Developed and maintained the marketing web app using React and TypeScript

Education

📖 Master of Data Science, UBC, Vancouver, Canada
🍁 B.Sc. in Computer Science, Carleton University, Ottawa, Canada
🏙️ B.Eng. in Urban Planning, Peking University, Beijing, China
🥇 Carleton University Medal in Computer Science, 2020 Fall

Key Achievements

🎯 Founding React Native Developer - boosted a Canada-based ed-tech startup to release its first mobile app and supported its first private-equity fundraising round in early 2023
🎮 Game Design Lead - #1 Sports App in China on May 3, 2015, as founding mobile game designer guiding a startup from pre-seed funding to IPO
🥇 2x Hackathon Winner (CuHacking 2019 & 2020)
🏆 Carleton University Medal in Computer Science

Background

💻 6 years in mobile development (2020-2025), 4 years in full-stack development (2022-2025)
🎯 Founding/Senior React Native Developer experience with tech startups across US, Canada and China
🎮 9+ years in mobile game design from idea to App Store
📺 Live Coding Streamer on twitch.tv/zywkloo, streaming coding contests and gaming
💡 Passionate about building scalable applications and mentoring developers

Technologies I Work With

Mobile

SwiftUI
React Native
Firebase
Core Data

Web

React
Node.js
Express
MongoDB

Desktop

C#
.NET Framework
C++
CMake

Tools

Git
Docker
AWS
CI/CD