SZE-TO Kwok Leung, Andrew

FULL-STACK SOFTWARE DEVELOPER
Wong Tai Sin, Hong Kong
+852 6628 8537  |  klszeto020@gmail.com
portfolio.andrewszeto.com  |  github.com/zkwokleung

Professional Summary

Full-stack software developer experienced in delivering production web applications, payment and CMS integrations, workflow automation and cross-platform medical-education software. Builds with Next.js, React, TypeScript, Laravel and PHP, with additional experience in Flutter, FastAPI, containerised deployment and computer-vision integration.

Technical Skills

Core Development
TypeScript, JavaScript, PHP, C#, React, Next.js, Laravel, Node.js, MySQL, REST APIs
Additional Experience
Python, Dart, Swift, C, C++, SQL, Flutter, Unity, FastAPI, AppKit, SwiftUI
Architecture
OOP, SOLID, MVC, Repository Pattern, Service Layer, Dependency Injection
Data & CMS
PostgreSQL, MongoDB, Redis, Payload CMS, relational data modelling
Cloud & DevOps
Docker, Kubernetes, AWS, Git, GitHub Actions, Unix/Linux, PowerShell
Tools & Integration
Stripe, n8n, Mocha, YOLOv8 integration, Grad-CAM integration, computer vision

Professional Experience

Full-Stack Developer  ·  She Communications Limited
Sep 2024 - Present
  • Redeveloped a production beauty-product review platform using Next.js and Laravel, improving functionality, user experience, performance and maintainability.
  • Built a campaign website with Stripe payment integration, implementing the checkout flow and synchronising payment and transaction records between the frontend and backend.
  • Developed full-stack websites with Payload CMS, implementing content models, administrative workflows, REST APIs, database schemas and responsive interfaces.
  • Automated recurring operations and SEO-content workflows with n8n, and deployed and configured an internally hosted LLM on local infrastructure to support secure in-house workflows.
  • Improved technical SEO and Core Web Vitals through structured data, semantic HTML and metadata optimisation; supported containerised deployment with Docker and Kubernetes.
Technologies: Next.js, React, TypeScript, Laravel, PHP, MySQL, Payload CMS, Stripe, Docker, Kubernetes, n8n
Game Developer (Contract)  ·  The Chinese University of Hong Kong
Dec 2021 - Present
  • Developed NasogastriX in Unity and Transient Global Amnesia: A Radiology Guide in Flutter, translating clinical requirements into interactive learning experiences.
  • Integrated a supplied AI classification and Grad-CAM workflow for detecting abnormal nasogastric-tube placement in collaboration with a PhD research team specialising in artificial intelligence.
  • Implemented application logic, user interfaces, data flows and cross-platform functionality; handled releases and ongoing maintenance with research stakeholders.
Technologies: Unity, C#, Flutter, Dart, Python, Grad-CAM, AI integration
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SZE-TO Kwok Leung, Andrew
Full-Stack Software Developer

Professional Experience

Software Engineer Intern  ·  DigiGear Technology Limited
Jun 2023 - Aug 2023
  • Developed a full-stack online ticketing platform, contributing to its application structure, user-facing interfaces, backend workflows and database design.
  • Implemented ticket browsing and purchasing workflows across the frontend, backend APIs and relational database.
  • Used Mocha to write automated tests for application logic and API behaviour.
Technologies: TypeScript, REST APIs, relational databases, Mocha
Game Developer Intern  ·  MedMind Technology Limited
Jun 2020 - Aug 2020
  • Delivered an online multiplayer Mahjong mode within three weeks using Unity, C# and Photon API under a tight production deadline.
  • Implemented room management, session handling and gameplay synchronisation for real-time multiplayer matches.
  • The multiplayer mode was subsequently promoted as a key selling feature during the COVID-19 pandemic.
Technologies: Unity, C#, Photon API, multiplayer networking

Selected Projects

Shortcut WheelGitHub

Built a native macOS menu-bar utility that opens a radial shortcut menu from a global key or mouse trigger. Supports keystrokes, apps, URLs, scripts, nested wheels, persistent configuration and automated release builds for both Apple Silicon and Intel Macs.

Swift · AppKit · SwiftUI · CGEventTap · GitHub Actions
Karabiner Config EditorGitHub

Created a visual editor for importing, editing, validating and exporting Karabiner-Elements configurations, with drag-and-drop complex rules, profile- and device-level mappings, and ANSI, ISO and JIS keyboard layouts.

Next.js · React · TypeScript · Tailwind CSS · shadcn/ui
Git EasyGitHub

Developed a Flow Launcher plugin for cloning, opening and fetching repositories from the keyboard, with fuzzy search, multiple repository folders and direct opening in VS Code or File Explorer.

C# · .NET · Flow Launcher Plugin API · Git
Surgical Counting Computer Vision SystemFrontendBackend

Built the cross-platform Flutter client and FastAPI backend for a YOLOv8 surgical-instrument counting system, supporting camera capture and verification of quantity and placement order across nine instrument classes. In testing, the integrated system returned results in 1-3 seconds and achieved over 94% accuracy under high-spec settings.

Flutter · Dart · FastAPI · Python · REST APIs · YOLOv8 Integration

Education

B.Eng. in Computer Engineering, First Class Honours
The Chinese University of Hong Kong (CUHK)
2020 - 2024
Cumulative GPA: 3.498/4.000 · Major GPA: 3.562/4.000 · Dean's List 2021-2022
Higher Diploma in Game Software Development
Hong Kong Institute of Vocational Education (HKIVE)
2018 - 2020
Award GPA: 3.76/4.00

Languages

  • Cantonese - Native
  • Mandarin - Fluent
  • English - Fluent
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