Selected Works

Selected
Work.

From solo commercial releases to multiplayer platforms, mobile products, and live broadcast systems.

ZTX virtual world — multiplayer social platform, Unity
01 — 2022 – 2025

ZTX

Seoul · Remote (US Team) Senior Unity Developer Unity3D · Nakama · Photon · Multiplayer · Mobile

Core engineering team for 2.5 years on a large-scale virtual world — multiplayer housing, farming, avatar systems, and a full pivot from PC MMO to mobile social platform. Communication bridge between Korean and international teams throughout. 170K+ followers at mobile launch.

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OWIS virtual idol performance system — Aurora World
02 — 2025 – 2026

OWIS — Virtual Idol Performance System

Seoul · Aurora World Sole Unreal Engine Developer Unreal Engine 5 · OptiTrack · MANUS · MotionBuilder · ARKit

Sole Unreal Engine developer on Aurora World's 3D Technology Team — built and owned the real-time performance systems for K-Pop virtual idol group OWIS. 20+ live broadcasts to MNet, MBC, and Studio Choom. No second takes.

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Kippo — dating app converted into real-time multiplayer social game
03 — Sep – Dec 2021

Kippo

Los Angeles Sole Senior Unity Developer Unity · Photon · Agora · PlayFab · Swift · Android

Kippo was a gaming-focused dating app. The task: build a multiplayer social game world inside the existing live app — in three months, as the only Unity engineer. Photon multiplayer, Agora voice and video, 8 PlayFab-scored mini-games, native bridges for iOS and Android. 500K+ Google Play downloads. $4.5M investment round.

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The 21CC App — gamified enterprise training platform
04 — 2017 – 2021

The 21CC App

Netherlands Lead Developer · Scrum Master Unity3D · Angular · Firebase · Tin Can API

A gamified certification platform for DB Schenker, Maersk, and global logistics partners. Built the original Unity platform, led the complete migration to Angular, designed the architecture, integrated learning record systems. The same technology used to build games — presented at the United Nations High-Level Political Forum in New York, 2019.

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Unraveled — Kickstarter-funded RPG with Hiroki Kikuta
05 — 2015

Unraveled

Netherlands Lead Developer · Co-Creator Unity3D · Kickstarter · Steam Greenlight

A story-driven RPG about shipbreaking and child trauma, funded on Kickstarter ($17,867 raised), with a soundtrack by Hiroki Kikuta — composer of Secret of Mana. Approved on Steam Greenlight. Featured in Red Bull and gaming press internationally. Led the campaign, directed the team, built the battle systems and VFX.

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Whisper of a Rose — solo-developed commercial RPG
06 — 2010

Whisper of a Rose

Netherlands Solo Developer · Artist · Writer Solo Developer · Steam · Big Fish Games

The commercial debut of RosePortal Games. Built entirely alone — engine, art, narrative, and publishing handled by one person. Reviewed by RPGFan (87/100) and Casual Gameplay (5/5). Distributed internationally across four platforms.

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Additional Projects More work from the archive