JA.JINSEONG AHN SOFTWARE ARCHITECT
Résumé

CAREER & PROJECTS

The projects behind
the experience.

Explore each role through the product, my contribution and the results. Product videos are credited to their original publishers.

19 career entries21 project records1997— career timeline

Employment dates are from the Saramin résumé (Nov 2026); contributions and outcomes are from the supplied technical résumé and project records. Figures are self-reported unless otherwise noted.

2023.12 — Present

Independent AI Projects

AI systems developer / software architect

01

Actual Epic Studio interface

PROJECT

Epic Studio

Details ↗

An AI-assisted YouTube production system connecting research, scripting, media generation, publishing and feedback.

COMMERCIAL / DELIVERY
Historical records: 66 videos composed; 54 uploads across three channels (Feb–Apr 2026).
TECHNICAL CONTRIBUTION
Directed AI coding agents; built a 17-stage pipeline with FastAPI, Next.js and PostgreSQL.
TRMedia not yet verified

No verified screen or video available.

PROJECT

Trading Research Systems

Details ↗

Independent market-data, strategy and backtesting projects with risk controls and demo execution.

COMMERCIAL / DELIVERY
Research and demo work; no live-profitability claim.
TECHNICAL CONTRIBUTION
Built data collection, reproducible backtests and demo parity monitoring.
2021.05 — 2023.11

DotDotDot · OLOBO

Lead programmer / architect

02

OLOBO official channel · published 2024 · YouTube ↗

PROJECT

OLOBO

Details ↗

A mobile app for creating stories and animated videos with 3D avatars, voice and AI prompts.

COMMERCIAL / DELIVERY
US iOS release and Android open beta, according to the résumé.
TECHNICAL CONTRIBUTION
Led client/backend architecture; traced an intermittent iOS crash to an external-library overflow.
2020.01 — 2021.04

Hangame Japan · Purenista

App development / platform engineering

03

Purenista official channel · product introduction · YouTube ↗

PROJECT

Purenista

Details ↗

A Japanese avatar styling and social art app where users combine items to create and share artwork.

COMMERCIAL / DELIVERY
Released on iOS and Android in Japan; 2020 in-house developer award reported in résumé.
TECHNICAL CONTRIBUTION
Résumé reports composition >40s → <5s and image size >30MB → <3MB using native C++.
2019.07 — 2019.12

Funwave · Golden Express

Development team lead

04

RandomSlots · third-party G2E exhibition footage · YouTube ↗

PROJECT

Golden Express

A casino slot-machine title developed for Kangwon Land / KLSaberi and shown at G2E Las Vegas.

COMMERCIAL / DELIVERY
Presented at G2E 2019; the linked footage covers the KLSaberi exhibition lineup.
TECHNICAL CONTRIBUTION
Led a five-programmer team and developed the Unity game framework and hardware integration.
2018.12 — 2019.06

FNS Holdings · FASSKER

Development team lead

05

Lotte Ventures · founder’s product presentation · YouTube ↗

PROJECT

FASSKER

A fashion digital-magazine and social app for sharing style and content.

COMMERCIAL / DELIVERY
The résumé reports a commercial mobile release.
TECHNICAL CONTRIBUTION
Built early architecture, AWS-backed authentication, content workflows and mobile release systems.
2018.06 — 2018.09

Funcrew · Machigai Breaker

Game development

06

Game information channel · 2018 beta gameplay · YouTube ↗

PROJECT

Machigai Breaker

A Japanese mobile RPG combining quiz and turn-based game mechanics.

COMMERCIAL / DELIVERY
Released for iOS and Android in Japan, according to the résumé.
TECHNICAL CONTRIBUTION
Implemented core game frameworks, combat/item content and caching.
2017.08 — 2017.12

Akoz Technologies · VM Casino

Game development

07

tech akoz · footage published 2021 · YouTube ↗

PROJECT

VM Casino

A mobile social casino application with slot-game content and regular updates.

COMMERCIAL / DELIVERY
iOS and Android app development and updates are listed in the résumé.
TECHNICAL CONTRIBUTION
Implemented slot content and supported device-specific mobile stabilization.
2016.11 — 2017.08

DoubleU Games / Diamond Games

Development team lead

08
DFMedia not yet verified

No verified screen or video available.

PROJECT

Double Fortune Casino

A social casino game for mobile, built around multiple slot experiences.

COMMERCIAL / DELIVERY
iOS and Android release reported in the technical résumé.
TECHNICAL CONTRIBUTION
Designed client architecture, state/event flow, server messaging and platform integrations.
2016.01 — 2016.06

Neowiz GameOn Studio

Client team lead

09

Artorikus · third-party trailer compilation, later footage · YouTube ↗

PROJECT

S4 League

A long-running online action shooter for PC.

COMMERCIAL / DELIVERY
Worked on the existing live-service product; no individual revenue claim.
TECHNICAL CONTRIBUTION
Maintained C/C++ / DirectX client systems and addressed content and security issues.
PVMedia not yet verified

No verified screen or video available.

PROJECT

Pmang Vegas Royal Casino · Smart TV

A social casino title adapted for a Samsung Smart TV interface.

COMMERCIAL / DELIVERY
The résumé records the Samsung Smart TV porting project.
TECHNICAL CONTRIBUTION
Built remote-control input, TV navigation and platform integration.
2012.09 — 2015.09

GAME SHARP

Development team lead

10
AGMedia not yet verified

No verified screen or video available.

PROJECT

Arcade Games & Enjoy Derby

PC arcade games and a Japanese online horse-racing system connected to hardware.

COMMERCIAL / DELIVERY
More than 20 arcade titles are listed as commercialized in the résumé.
TECHNICAL CONTRIBUTION
Developed 3D systems, SQLite data and RS232C external-device integration.
2008.07 — 2012.09

Mgame · MG-Studio

Backend / server developer

11

Star Mgame · historical product footage · YouTube ↗

PROJECT

Warbane

A large-scale online MMORPG with persistent game data and multiplayer server logic.

COMMERCIAL / DELIVERY
MMORPG development and live-service work are listed in the résumé.
TECHNICAL CONTRIBUTION
Built Linux/C++ server components including sessions, inventory and PostgreSQL data systems.
2008.04 — 2008.06

Barunson E&A · Project N

Game developer

12
PNMedia not yet verified

No verified screen or video available.

PROJECT

Project N

An MMORPG development project using Unreal Engine 3 and Scaleform.

COMMERCIAL / DELIVERY
Development-stage project; release status not verified.
TECHNICAL CONTRIBUTION
Integrated Scaleform with the engine and implemented game UI.
2007.07 — 2007.12

NTREEVSoft

Game developer

13

Dr. shack · third-party gameplay footage · YouTube ↗

PROJECT

PangYa / Online Game Client

An online game client and GUI development project; PangYa is named in the technical résumé.

COMMERCIAL / DELIVERY
Commercial online game participation is self-reported in the technical résumé.
TECHNICAL CONTRIBUTION
Integrated UI middleware and built XML-driven GUI and text layout.
2002.09 — 2007.06

Game Land Japan

Game developer

14
OGMedia not yet verified

No verified screen or video available.

PROJECT

Online Games & 3D Engine

Online board and casino games and a 3D golf-game engine built for the Japanese market.

COMMERCIAL / DELIVERY
Online game development and releases are recorded in the résumé.
TECHNICAL CONTRIBUTION
Developed custom 3D engine, mesh export, animation and terrain systems.
2002.01 — 2002.08

HanbitSoft Digital Campus

3D programming instructor

15
G&Media not yet verified

No verified screen or video available.

PROJECT

Game & 3D Programming Education

Taught 3D programming and guided game-programming students.

COMMERCIAL / DELIVERY
Teaching role; no commercial product claimed.
TECHNICAL CONTRIBUTION
Covered rendering, animation, C/C++, DirectX, OpenGL and 3D mathematics.
2001.01 — 2001.12

Xcellent

Game developer

16
POMedia not yet verified

No verified screen or video available.

PROJECT

PC Online Casual Games

Online casual PC games and the supporting content-creation tools.

COMMERCIAL / DELIVERY
Development period is recorded in the Saramin résumé.
TECHNICAL CONTRIBUTION
Implemented architecture, sprite tools, events, state machines and sound systems.
2000.06 — 2000.12

VRStaff

Game developer

17
3SMedia not yet verified

No verified screen or video available.

PROJECT

3D Subway Simulator

A VR subway-driving simulation and associated 3D visualization work.

COMMERCIAL / DELIVERY
Simulation project listed in the résumé; release details are unverified.
TECHNICAL CONTRIBUTION
Developed C/C++ / OpenGL simulation logic, character rendering and asset tools.
1999.01 — 2000.06

Almighty IT

Software developer

18
MPMedia not yet verified

No verified screen or video available.

PROJECT

Medical PC Software

PC packages supporting medical insurance and patient-care workflows.

COMMERCIAL / DELIVERY
Commercial software development role listed in the résumé.
TECHNICAL CONTRIBUTION
Implemented C/C++ utilities and RS232C hardware-control libraries.
1997.07 — 1997.08

Mirinae Software

Programmer intern

19
PPMedia not yet verified

No verified screen or video available.

PROJECT

PC Package Game Internship

An early game-programming internship on PC package game development.

COMMERCIAL / DELIVERY
Internship recorded in the Saramin résumé; specific title not confirmed.
TECHNICAL CONTRIBUTION
Worked with Visual Basic and C/C++ in a game development environment.