Metaverse
ZTX — Virtual World & Digital Fashion Platform
Senior Unity Developer / Systems Engineer (2022–2025)
Remote — US-based company, working from Korea
Tech: Unity3D, Photon, Nakama, Firebase, Blockchain, Addressables
ZTX began as a Web3 PC-based MMO focused on land ownership, housing, and avatar customization, then pivoted into a mobile-first Web3 social fashion platform. I was part of the original core team and remained through the full product transition, working remotely with a distributed team primarily based in the US.
Key Contributions
- Built the 3D house & garden decoration system
- Implemented planting, harvesting, and material systems
- Developed player movement and interaction systems
- Created multiple mini-games
- Implemented real-time multiplayer synchronization
- Integrated IAP, inbox, and live notification systems
- Integrated Firebase, Nakama, Photon, Facebook SDK
- Implemented blockchain transaction flows for in-game assets
- Designed modular architecture using message bus & dependency injection
- Optimized asset streaming with Addressables
- Built camera systems, UI frameworks, and particle layering
Team Impact
- Acted as bridge between Korean and international teams
- Worked closely with backend on data synchronization and live operations
- Created internal technical presentations for feature planning
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