Hi, I'm

Andrew SZE-TO

Crafting what people dreamed of

A passionate software developer from Hong Kong specializing in web development, API design, and game logic. I transform ambitious ideas into reality through clean, scalable code.

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About Me

Get to know me better and discover what drives my passion for development

My journey into programming began with a simple motivation: I wanted to craft the products I dreamed of. What started as a personal quest has evolved into a passion for creating software that makes a meaningful impact.

I specialize in web development, API design, and game logic with a strong focus on software quality and architecture. My approach centers on design patterns, scalability, and maintainability—ensuring every line of code contributes to robust, future-proof solutions.

Beyond coding, I'm actively learning 4+ languages, which has taught me the value of clear communication and diverse perspectives. I'm seeking opportunities to work on innovative projects where quality matters as much as creativity.

5+
Years Experience
10
Projects Completed

What I Do

Web application development
API design & implementation
Game logic programming
Software architecture & design patterns
Code quality & maintainability
Scalable system design
Cross-cultural communication
Continuous learning & adaptation

Core Technologies

ReactNext.jsTailwind CSSLaravelNode.jsUnityPhoton API

Currently Exploring

AI/ML integration in web applications, serverless architectures, and advanced React patterns.

Skills & Technologies

A comprehensive overview of my technical expertise and proficiency levels

JavaScript

Languages
Proficiency95%

TypeScript

Languages
Proficiency95%

C#

Languages
Proficiency95%

Python

Languages
Proficiency85%

PHP

Languages
Proficiency85%

React

Frontend
Proficiency95%

Next.js

Frontend
Proficiency95%

Tailwind CSS

Frontend
Proficiency90%

Flutter

Frontend
Proficiency85%

Laravel

Backend
Proficiency85%

Node.js

Backend
Proficiency85%

Unity

Specialization
Proficiency95%

Computer Vision

Specialization
Proficiency85%

Docker

DevOps
Proficiency80%

AWS

DevOps
Proficiency75%
Full-Stack
Modern web development with JavaScript, TypeScript, React, Next.js, Laravel, and Node.js
Specialization
Game development with Unity, AI/ML integration, and computer vision solutions
DevOps
Docker, Kubernetes, AWS, SEO optimization, and modern development tools

Selected Work

Native utilities, developer tools, and medical education apps built to solve practical problems.

Shortcut Wheel macOS application icon and radial menu
SoftwareRecent

Shortcut Wheel

A native macOS menu-bar utility that opens a configurable radial shortcut menu from a global keyboard or mouse trigger. Slices can send keystrokes, launch apps and URLs, run scripts, or open nested wheels.

My contribution

Personal project: designed and built the native app, global input handling, radial interactions, JSON persistence, automated tests, and universal DMG release workflow.

SwiftSwiftUIAppKitCGEventTapGitHub Actions
Karabiner Config Editor configuration interface
SoftwareRecent

Karabiner Config Editor

A visual editor for importing, editing, validating, and exporting Karabiner-Elements configuration files, including complex modifications and ANSI, ISO, and JIS keyboard layouts.

My contribution

Personal project: designed and implemented the editor, drag-and-drop rule builder, keyboard visualization, conflict validation, and structured JSON export workflow.

Next.jsReactTypeScriptTailwind CSSdnd-kitZod
Git Easy plugin for Flow Launcher
SoftwareRecent

Git Easy

A Flow Launcher plugin for cloning, fetching, fuzzy-searching, and opening Git repositories across multiple local root folders.

My contribution

Created and maintain the open-source plugin, its multi-root repository workflow, settings UI, and automated release pipeline while incorporating community contributions.

C#.NET 7WPFFlow Launcher APIGitHub Actions
NasogastriX radiology education application
Medical EducationRecent

NasogastriX

An interactive radiology education app combining teaching modules and mini-games to help learners assess nasogastric tube positioning on chest X-rays.

My contribution

Developed the Unity and C# application, gameplay systems, and UI; integrated the supplied AI classification and Grad-CAM workflow; and handled releases and ongoing maintenance.

UnityC#Machine LearningComputer VisionGrad-CAM
Transient Global Amnesia radiology guide application
Medical EducationRecent

Transient Global Amnesia: A Radiology Guide

An interactive tutorial covering the pathophysiology, imaging findings, and differential diagnoses of transient global amnesia through real clinical MR cases and self-assessment exercises.

My contribution

Built the Flutter and Dart application end to end, implemented collaborator-supplied medical content and touch interactions, and manage its App Store releases and maintenance.

FlutterDartiOSInteractive Learning
BPR
Professional

Beauty Product Review Platform

A modernized beauty product review platform with a scalable Next.js and Laravel architecture, improved search performance, and AI-assisted content workflows.

My contribution

Led the architectural overhaul, SEO and Core Web Vitals work, AI-first content optimization, and deployment of an internal LLM service.

Next.jsLaravelPHPTypeScriptTailwind CSSLLM DeploymentSEO OptimizationDocker
SCC
Professional

Surgical Counting Computer Vision System

A high-precision computer vision system for counting surgical instruments, deployed through a cross-platform Flutter application for practical medical use.

My contribution

Collaborated with Blueinno Technology HK on the computer vision model and integrated the resulting system into the Flutter mobile application.

Computer VisionMachine LearningFlutterPythonMobile Development
NMM
Professional

NeuroGym Multiplayer Mahjong

A networked Mahjong mode within NeuroGym, an evidence-based cognitive training platform designed for older adults. The platform uses culturally familiar games to support attention, memory, hand-eye coordination, executive function, language, and visuospatial skills.

My contribution

Built the complete Unity and Photon multiplayer Mahjong experience during a three-week internship sprint, including real-time gameplay synchronization and networking for remote play.

UnityC#Photon APIMultiplayer DevelopmentGame Networking
VME
Coursework

VR Multiplayer Endless Runner Game

A VR-supported online multiplayer endless runner created as a final-year project, combining immersive controls, networked play, and real-time game physics.

My contribution

Developed the game systems, VR mechanics, multiplayer networking, and interactive gameplay as the HKIVE final-year project.

UnityC#VR DevelopmentMultiplayer NetworkingGame Physics
OSS
Coursework

OpenGL Space Shooter Game

A space shooter built with OpenGL and object-oriented C++ to explore low-level rendering, game physics, and interactive graphics programming.

My contribution

Implemented the rendering pipeline, object-oriented game systems, physics, and interactive gameplay for computer graphics coursework.

OpenGLC++Computer GraphicsGame PhysicsOOP

Want to see more?

I'm always working on new projects and experiments. Check out my GitHub for the latest updates and feel free to reach out if you'd like to collaborate!

View GitHub

Experience

My professional journey and the experiences that have shaped my career

Full-stack Developer

She Communications LimitedHong Kong
Sep 2024 - Present

Leading the complete architectural overhaul of a beauty product review platform, applying object-oriented programming principles and modern design patterns to transform legacy systems into a scalable, maintainable solution using Next.js and Laravel, while implementing comprehensive SEO strategies and AI-first content optimization. Additionally, deployed and managed an internal LLM model on local servers to enhance company operations and productivity.

Key Achievements

  • Redesigned and rebuilt entire platform architecture using MVC and Repository design patterns
  • Deployed and configured internal LLM model on local server infrastructure for secure, cost-effective AI operations
  • Implemented comprehensive SEO optimization strategies including meta tags, structured data, and semantic HTML
  • Developed AI-first content optimization system to enhance search visibility and user engagement
  • Established secure LLM deployment pipeline with containerization and resource optimization
  • Implemented SOLID principles to improve code maintainability and extensibility
  • Applied Factory and Strategy patterns for modular component architecture
  • Optimized website performance and Core Web Vitals for improved search rankings
  • Enhanced platform functionalities with dependency injection and service layer patterns
  • Achieved better overall system performance through optimized OOP design and SEO best practices

Technologies Used

Next.jsLaravelPHPReactTypeScriptTailwind CSSLocal Server ManagementAI/ML InfrastructureSEO OptimizationAI-First Content StrategySchema MarkupCore Web VitalsOOP Design PatternsSOLID PrinciplesMVC ArchitectureDockerKubernetes

Game Developer

The Chinese University of Hong KongHong Kong
Dec 2021 - Present

Developed an award-winning educational game for the radiology field using Unity, incorporating advanced AI features in collaboration with research teams.

Key Achievements

  • Created award-winning educational game for radiology field
  • Implemented Machine Learning model for abnormal nasogastric tube detection
  • Collaborated with Ph.D. student research team on AI integration
  • Delivered educational tool with real-world medical applications

Technologies Used

UnityC#Machine LearningAI IntegrationGame Development

Software Engineer

DigiGear Technology LimitedHong Kong
Jun 2023 - Aug 2023

Developed a full-stack ticket selling platform focused on improving user experience and code maintainability.

Key Achievements

  • Built complete ticket selling platform from scratch
  • Improved user experience through intuitive design
  • Enhanced code maintainability and structure
  • Delivered scalable solution for ticket sales

Technologies Used

Full-stack DevelopmentTypeScriptDatabase DesignAPI Development

Game Developer Intern

MedMind Technology LimitedHong Kong
Jun 2020 - Aug 2020

Developed Mahjong online multiplayer game mode using Photon API for Unity, which became the product's most significant selling point during the pandemic.

Key Achievements

  • Developed complete multiplayer game mode in just 3 weeks
  • Implemented Photon API for seamless online gameplay
  • Created the product's most significant selling point during pandemic
  • Delivered high-quality gaming experience under tight deadline

Technologies Used

UnityC#Photon APIMultiplayer DevelopmentGame Networking

Education

My academic journey and the educational experiences that have shaped my expertise

B.Eng. in Computer Engineering

The Chinese University of Hong Kong (CUHK)Hong Kong
Sept. 2020 - August 2024GPA: 3.49/4.0

Comprehensive engineering program focusing on computer systems, software development, and advanced computing technologies with strong emphasis on practical application and research.

Key Achievements

  • Visualized performance differences of merge-sort algorithm in different languages using matplotlib
  • Developed space shooter game using OpenGL with Object-Oriented Programming techniques
  • Completed comprehensive coursework in software engineering and cloud computing
  • Applied data structures and algorithms in real-world programming projects

Relevant Projects

  • Collaborated with Blueinno Technology HK to develop a high-precision surgical counting computer vision model achieving over 99% accuracy, with successful deployment to a cross-platform mobile application built using Flutter
  • Visualized the performance differences of the merge-sort algorithm in different languages using matplotlib in the course Introduction to Python (Individual Project)
  • Developed a space shooter game using OpenGL with OOP techniques

Relevant Coursework

Software EngineeringPrinciples of Computer GraphicsData StructureIntro. to Cloud Computing & Storage

HD in Game Software Development

The Hong Kong Institute of Vocational Education (HKIVE)Hong Kong
Sept. 2018 - June 2020GPA: 3.76/4.0

Specialized diploma program focusing on game development technologies, mobile gaming platforms, and comprehensive software development practices for the gaming industry.

Key Achievements

  • Achieved Award GPA of 3.76/4.0 demonstrating academic excellence
  • Developed VR-supported online multiplayer endless runner game as Final Year Project
  • Mastered mobile games technology and development frameworks
  • Gained expertise in game software development and quality assurance practices

Relevant Projects

  • Developed a VR-supported online multiplayer endless runner game as the Final Year Project

Relevant Coursework

Mobile Games TechnologyGame Software Development and Assurance

Get In Touch

I'm always open to discussing new opportunities, interesting projects, or just having a chat about technology

Let's Connect

Whether you have a project in mind, want to collaborate, or just want to say hello, I'd love to hear from you. Feel free to reach out through any of the channels below.

Email
klszeto020@gmail.com
Phone
+852 6628 8537
Location
Hong Kong
Availability
Open to new opportunities

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