Hi there, I am

Kelvin Lee.

🛠️ Senior Game Developer 💻

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Services

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Game Development

With 10 years of experience in the gaming industry, I specialize in developing high-quality games using Unity and Unreal Engine. Whether it’s mobile, PC, or console games, I create engaging and performance-optimized experiences that keep players coming back.

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AI & Gameplay Programming

I design and implement advanced AI behaviors, enemy logic, and NPC interactions to create immersive game experiences. From turn-based strategy to real-time multiplayer AI, I ensure smooth and challenging gameplay.

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Multiplayer & Networking

I develop multiplayer experiences using Photon, Mirror, and other networking solutions. Whether you need online matchmaking, real-time battles, or co-op gameplay, I ensure stable connectivity and seamless interactions.

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Product Strategy

I collaborate to define clear goals, target audiences, and a success roadmap. My expertise in product ideation and market analysis ensures your product meets user needs and aligns with your business strategy for long-term growth and full potential realization. Drive your product's success with strategic planning.

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AR/VR Development

I develop immersive AR/VR experiences using Unity XR Toolkit, Vuforia, OpenXR, and SteamVR. From training simulations to interactive games, I bring ideas to life in extended reality.

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Full-Cycle Game Development

From concept to launch, I provide complete game development services, including coding, debugging, polishing, and publishing to platforms like Steam, Play Store, and App Store.

Experiences

Jul 2022 - Dec 2024

Senior Game Programmer

Room 8 Studio

Optimized game performance, reducing load times and improving FPS stability.

Developed gameplay mechanics, AI behavior, and physics-based interactions.

Worked on multiplayer features, improving online stability and connectivity.

Collaborated with teams from Ubisoft, Activision, and Remedy Entertainment.

Fixed critical bugs, enhancing game stability and user experience.

Apr 2018 - Jul 2022

Middle Game Developer

Wargaming.net

Optimize game assets, systems, and code to improve performance and reduce latency to ensure smooth and engaging gameplay

Design core game mechanics, AI systems, and combat features to contribute to the overall gameplay design and functionality.

Troubleshoot and resolve technical issues to improve the stability and reliability of the game

Work on multiple platforms to ensure high-quality, consistent performance and experiences for players

Feb 2016 - Mar 2018

Game Programmer

IGG Inc

Worked with artists, designers, developers, and QA to implement new features and identify and fix bugs

Worked with other senior developers to design and implement large-scale features.

Performed research and acquired new knowledge as needed to perform assigned tasks

Knowledge of differences between console and PC game programming

Developed high-quality game systems and software

Jul 2014 - Jan 2016

Game Developer

6Waves

Led the creation of scripts/tools that helped streamline the development and automated testing, build/deployment, content and art integration processes.

Consulting on application or infrastructure development projects to ensure compliance with enterprise architecture.

Networking development/support

Fixed bugs during development and production

Skills

Programming Languages

logo-C#

C#

logo-C++

C++

logo-Python

Python

logo-TypeScript

TypeScript

logo-Java

Java

Game Development

logo-Unity

Unity

logo-Unreal Engine

Unreal Engine

logo-Cocos Creater

Cocos Creater

AR/VR

logo-SteamVR

SteamVR

logo-Oculus

Oculus

logo-OpenXR

OpenXR

Frameworks/Game Systems

logo-WebGL

WebGL

logo-Three.js

Three.js

logo-Photon

Photon

logo-Mirror

Mirror

Version Control

logo-Git

Git

logo-GitHub

GitHub

Nontechnical Skills

logo-Problem Solving

Problem Solving

logo-Collaboration

Collaboration

logo-Analytical Skills

Analytical Skills

Recent Works

project-Lords Mobile

Lords Mobile

Public

Developed strategy game mechanics, unit AI, and performance improvements for a top-grossing mobile game.

Unity

C#

project-Infinity Kingdom

Infinity Kingdom

Public

Worked on networking, bug fixes, and automated deployment tools.

Unity

C#

Photon

project-World of Tanks

World of Tanks

Public

Optimized game performance, developed AI combat features, and improved cross-platform networking

Unreal Engine

C++

project-Minecraft

Minecraft

Public

this project is a tutorial that shows how to make a game like Minecraft using Unity and DOTS technologies.

Unity

DOTS

C#

project-Overlord of the Overlord

Overlord of the Overlord

Public

Built game automation tools, networking features, and gameplay mechanics for casual mobile/web-based games.

Cocos Creater

TypeScript