Cooper Xiang-Harrison

About

Game developer and software engineer specializing in multiplayer games and networked game architecture. Founder of Electronic Sunrise, a game development studio and consulting firm.

Deep expertise in C#, C++, Unity, Roblox, and networked game architecture. Shipped titles reaching 100,000+ daily active users and consulted for studios across the industry.

Services

• Game Development - full-cycle development from prototype to live service
• Multiplayer & Networking - architecture, relay servers, netcode, and backend systems
• Consulting - hourly or project-based guidance on game networking, engine integration, and tooling
• Roblox Development - end-to-end game creation on the Roblox platform

Games

CARDLIKE (Roblox | Web)

Roguelike card game. 1,000,000+ plays, 100,000+ monthly active users.

Galactic Getaway

Creature-collector farming simulator on Steam, built in Unity.

SWINGSHOT.io

Web-based multiplayer game.

HoopAR

Augmented reality basketball experience.

Experience

Senior Software Engineer - Photon Engine

Oct 2022 - Present

• Individual contributor on the Quantum deterministic game engine and its physics system in C#/C++.
• Created game samples in Unity for paying customers.
• Engine powers titles like Stumble Guys, No Rest for the Wicked, LEGO Brawls, PEAK, and R.E.P.O.

Game Developer - Current Interactive

Jan 2026 - Present

• Roblox game development.

Lead Software Engineer - Akrew

Sep 2021 - May 2025

• Led development on Galactic Getaway, a creature-collector farming simulator in Unity.
• Built a bespoke relay server for game prototypes and released web games for Traderie.com (10M+ registered users).

Game Networking Consultant - ZENZ VR

Apr 2021 - May 2021

• Provided consulting for an upcoming multiplayer VR title using Mirror Networking in Unity, prior to the studio's acquisition by Resolution Games.

Backend Developer - Mirror Networking

Nov 2019 - Mar 2021

• Contributed to Mirror, the largest open-source multiplayer library for Unity.
• Built backend services in .NET/C# and automated workflows via Google Cloud Functions and GitHub Webhooks.

Contact

For inquiries, reach out on LinkedIn.