Experience

Bad Brain Game Studios

• Canada
• Computer Games
• 1 - 100 Employee

• Technical Director - Engine

  • Nov 2023 - Present

  https://www.badbraingames.com/ https://www.badbraingames.com/



WB Games Montreal Inc.

• Canada
• Entertainment
• 200 - 300 Employee

• Engine Architect

  • Sep 2022 - Oct 2023

  [Engine Architect] ~ 2023 Oct 27 [Senior Advanced System Programmer] Gotham Knights (https://www.gothamknightsgame.com)

• Advanced System Programmer

  • Nov 2014 - Sep 2022

  [Advanced System Programmer] 2016 Nov ~ 2022 Sep Gotham Knights (https://www.gothamknightsgame.com) [Advanced System Programmer] 2015 Jan ~ 2016 Nov Unannounced AAA project - UE3, C++, Engine, Networking [Advanced System Programmer] 2014 Nov ~ 2015 Feb Support the optimization of the Batman: Arkham Knight - UE3, C++, Engine

• Lead Server Programmer

  • Apr 2011 - Oct 2014

  [Lead Server Programmer] 2014 Jan ~ 2014 Oct Game server architect - Legend of Chima (http://www.chimaonline.com) - AWS, C#, Unity, MSSQL, WCF, MongoDB [Lead Server Programmer] 2011 Apr ~ 2013 Dec Built an in-house platform and game server architecture - Cartoon Universe (http://www.cartoonuniverse.com) - C#, Unity, MSSQL, WCF, MongoDB



RealU

• Computer Games
• 1 - 100 Employee

• Lead Online Game System

  • Sep 2008 - Oct 2010

  Project: Otherland MMORPG http://store.steampowered.com/app/376310/ Tech: C++, C#, UE3, Raknet, MySQL, MSSQL, Lua, [Lead Online Game System] 2008 Sep ~ 2010 Oct Technical lead of the online game system. - Architect the grid base MMO server can scale up infinitely and seamlessly. - Multi tier server group with extra layer of replicated servers. (similar to a cloud system) - Co-work with Epic Games Atlas team for an MMO game engine. - Multi threading task system… Show more Project: Otherland MMORPG http://store.steampowered.com/app/376310/ Tech: C++, C#, UE3, Raknet, MySQL, MSSQL, Lua, [Lead Online Game System] 2008 Sep ~ 2010 Oct Technical lead of the online game system. - Architect the grid base MMO server can scale up infinitely and seamlessly. - Multi tier server group with extra layer of replicated servers. (similar to a cloud system) - Co-work with Epic Games Atlas team for an MMO game engine. - Multi threading task system with the lock free algorithms. - Server to server replication system. - Server driven physics simulation with Nvidia PhysX. - Full in-house DB management with MSSQL. - Refactor the client side networking in UE3 to fit to the MMO engine. Show less Project: Otherland MMORPG http://store.steampowered.com/app/376310/ Tech: C++, C#, UE3, Raknet, MySQL, MSSQL, Lua, [Lead Online Game System] 2008 Sep ~ 2010 Oct Technical lead of the online game system. - Architect the grid base MMO server can scale up infinitely and seamlessly. - Multi tier server group with extra layer of replicated servers. (similar to a cloud system) - Co-work with Epic Games Atlas team for an MMO game engine. - Multi threading task system… Show more Project: Otherland MMORPG http://store.steampowered.com/app/376310/ Tech: C++, C#, UE3, Raknet, MySQL, MSSQL, Lua, [Lead Online Game System] 2008 Sep ~ 2010 Oct Technical lead of the online game system. - Architect the grid base MMO server can scale up infinitely and seamlessly. - Multi tier server group with extra layer of replicated servers. (similar to a cloud system) - Co-work with Epic Games Atlas team for an MMO game engine. - Multi threading task system with the lock free algorithms. - Server to server replication system. - Server driven physics simulation with Nvidia PhysX. - Full in-house DB management with MSSQL. - Refactor the client side networking in UE3 to fit to the MMO engine. Show less



NAVER Corp

• South Korea
• Technology, Information and Internet
• 700 & Above Employee

• Lead Programmer

  • Jun 2003 - Sep 2008

  Project : Archlord Online *MMORPG (http://archlord.webzen.com/) Tech : C++, In-House MMORPG Engine, Oracle, MSSQL [Lead Programmer] 2007 Jan ~ 2008 Sep Technical lead of the programming teams. - Continuous the live service. Huge amount of game content patches made. - Implemented Guilds vs Guilds combat system which handles up to 600 players in the same zone. - Improved the server capacity of a shard up to 3,000 players with 18,000 AIs. - Launched the global server… Show more Project : Archlord Online *MMORPG (http://archlord.webzen.com/) Tech : C++, In-House MMORPG Engine, Oracle, MSSQL [Lead Programmer] 2007 Jan ~ 2008 Sep Technical lead of the programming teams. - Continuous the live service. Huge amount of game content patches made. - Implemented Guilds vs Guilds combat system which handles up to 600 players in the same zone. - Improved the server capacity of a shard up to 3,000 players with 18,000 AIs. - Launched the global server allows world wide players can join a single shard. - Ported the Oracle DB to MSSQL for the global server. - Continued to improve the in-house engine. Server architecture / Advanced rendering. [Senior Server Programmer] 2006 Jan ~ 2006 Dec Built more robust and scalable server architecture and lots of game play features. - Continuous the live service in Korea and Japan. Huge amount of new game feature / contents patches. - Improved the game server architecture to handle more concurrent users. Up to 2,500 users per shard. - Managed up to 80 shards, each shard has 6 different roles of servers. - Launched the service in Japan and China. - Implemented game play features: More Skill Sets and Party vs Party combat system. - Implemented the In-game auction system. [Server Programmer] 2003 Jun ~ 2005 Dec Implemented In-House MMORPG engine. - Design the server architecture organized with multiple different roles for scaling up. - Windows based server using IOCP, multi-threaded engine. - Lockless threading model by multiplexing. - Fine grained memory management and efficiently handle a big memory allocation. - Launched the service in Korea, handled up to 92,000 concurrent users with 60 shards. - Implemented the DB handler for Oracle. - Implemented game play features: Combat system, Skill sets, Inventory Items, Item Trade System. - Implemented the game logging system. Show less Project : Archlord Online *MMORPG (http://archlord.webzen.com/) Tech : C++, In-House MMORPG Engine, Oracle, MSSQL [Lead Programmer] 2007 Jan ~ 2008 Sep Technical lead of the programming teams. - Continuous the live service. Huge amount of game content patches made. - Implemented Guilds vs Guilds combat system which handles up to 600 players in the same zone. - Improved the server capacity of a shard up to 3,000 players with 18,000 AIs. - Launched the global server… Show more Project : Archlord Online *MMORPG (http://archlord.webzen.com/) Tech : C++, In-House MMORPG Engine, Oracle, MSSQL [Lead Programmer] 2007 Jan ~ 2008 Sep Technical lead of the programming teams. - Continuous the live service. Huge amount of game content patches made. - Implemented Guilds vs Guilds combat system which handles up to 600 players in the same zone. - Improved the server capacity of a shard up to 3,000 players with 18,000 AIs. - Launched the global server allows world wide players can join a single shard. - Ported the Oracle DB to MSSQL for the global server. - Continued to improve the in-house engine. Server architecture / Advanced rendering. [Senior Server Programmer] 2006 Jan ~ 2006 Dec Built more robust and scalable server architecture and lots of game play features. - Continuous the live service in Korea and Japan. Huge amount of new game feature / contents patches. - Improved the game server architecture to handle more concurrent users. Up to 2,500 users per shard. - Managed up to 80 shards, each shard has 6 different roles of servers. - Launched the service in Japan and China. - Implemented game play features: More Skill Sets and Party vs Party combat system. - Implemented the In-game auction system. [Server Programmer] 2003 Jun ~ 2005 Dec Implemented In-House MMORPG engine. - Design the server architecture organized with multiple different roles for scaling up. - Windows based server using IOCP, multi-threaded engine. - Lockless threading model by multiplexing. - Fine grained memory management and efficiently handle a big memory allocation. - Launched the service in Korea, handled up to 92,000 concurrent users with 60 shards. - Implemented the DB handler for Oracle. - Implemented game play features: Combat system, Skill sets, Inventory Items, Item Trade System. - Implemented the game logging system. Show less



ISonic Online

• Gangnam-gu, Seoul, Korea

• Server Programmer

  • Jul 2001 - Jun 2003

  Project: Athanasia MMORPG. (The first full 3D MMORPG in Korea) Tech: C++, Linux, In-house MMORPG engine, MySQL. [Server Programmer] 2002 Jan ~ 2003 June In-house MMORPG engine - Low level networking in Linux, Distributed server architecture. Database handler for MySQL. - Multi-threaded server engine with epoll and RT signals. - Multi-threaded game packet handlers. Event driven game play processors. - Managed to handle up to 400 players, 1200 AIs. Launched in several… Show more Project: Athanasia MMORPG. (The first full 3D MMORPG in Korea) Tech: C++, Linux, In-house MMORPG engine, MySQL. [Server Programmer] 2002 Jan ~ 2003 June In-house MMORPG engine - Low level networking in Linux, Distributed server architecture. Database handler for MySQL. - Multi-threaded server engine with epoll and RT signals. - Multi-threaded game packet handlers. Event driven game play processors. - Managed to handle up to 400 players, 1200 AIs. Launched in several countries; Korea, Japan and China. [Programmer] 2001 July ~ 2001 Dec - Develop in-game management tool by Win32 API, DirectX. - Web based game asset manager by PHP3 and MySQL. - Proceeded 3 times of closed beta tests. Show less Project: Athanasia MMORPG. (The first full 3D MMORPG in Korea) Tech: C++, Linux, In-house MMORPG engine, MySQL. [Server Programmer] 2002 Jan ~ 2003 June In-house MMORPG engine - Low level networking in Linux, Distributed server architecture. Database handler for MySQL. - Multi-threaded server engine with epoll and RT signals. - Multi-threaded game packet handlers. Event driven game play processors. - Managed to handle up to 400 players, 1200 AIs. Launched in several… Show more Project: Athanasia MMORPG. (The first full 3D MMORPG in Korea) Tech: C++, Linux, In-house MMORPG engine, MySQL. [Server Programmer] 2002 Jan ~ 2003 June In-house MMORPG engine - Low level networking in Linux, Distributed server architecture. Database handler for MySQL. - Multi-threaded server engine with epoll and RT signals. - Multi-threaded game packet handlers. Event driven game play processors. - Managed to handle up to 400 players, 1200 AIs. Launched in several countries; Korea, Japan and China. [Programmer] 2001 July ~ 2001 Dec - Develop in-game management tool by Win32 API, DirectX. - Web based game asset manager by PHP3 and MySQL. - Proceeded 3 times of closed beta tests. Show less