np_alloc - yet another lock-free, per-thread memory pool

- c++14/gsl/gtest

SQL Schema/Parser Generator for MySQL

explained what did and show partial codes

[WIP] NativeCoin - c++ implementation

- c++14/gsl/openssl/asio/gtest

Echo Server Source without Library

can not be compiled without core/net library, just for showing coding style

Senior Software Engineer @ NSUSLAB

09/2018 - 05/2021

mobile game at NSUSLAB

• Software Engineer - C#
  • .net 4.6, entityframework, aspnet webapp, restapi, websocket
  • https://sentry.io, https://www.datadoghq.com/
• Server Administrator - ms azure
  • Terraform to Azure
  • webapp, sqlserver, mongodb, redis, vm,
• TOOLS: vs2018, mssql, jenkins/azure devops, azure, slack, jira, terraform, k8s

Software Architect @ Crossover/Aurea

03/2018 - 09/2018

Enterprise Application Migrations at Aurea

• Software Architect - C++
  • note: 🚀 100% asynchronous remote work
  • code review
  • adds CI/CD environment
  • adds testcodes to meet requirements(code coverages +80%)


• TOOLS: vs2017, slack, jira, confluence, git, docker

Senior Software Engineer @ freelancer

08/2016 - 07/2017

mobile action game at M^2 Games

• Software Engineer - c++
• Server Administrator - ms azure
  • googledrive to db insert tool
  • telegram bot for server monitoring/admin (screenshot: 1, 2)
• DB Administrator - mysql
  • db/stored procedures


• TOOLS: win2016, vs2015, mysql, git

Senior Software Engineer at M^2 Games

02/2015 - 07/2016

mobile action game

• Software Engineer - c++
  • core/socket engine
  • login/session/channel/match making/cache servers
  • protocol parser generator for c++/c#(unity3d)
  • * sql schema/parser generator for mysql
• Server Administrator - ms azure
  • googledrive to sql insert tool
• DB Administrator - mysql
  • db/stored procedures
• TOOLS: win2012, vs2015, mysql, git, node.js, redmine

Senior Software Engineer at GPM

01/2014 - 12/2014

mobile fps/action game

• Software Engineer - c++/c#
  • core/socket engine
  • game/room/cache servers
  • protocol parser generator for c++/c#(unity3d)
  • Tencent billing
• TOOLS: win2012, vs2013, ms sql-server, git, redmine

freelancer

06/2012 - 12/2013

reseraching

• haxe, iphone/android, no-sql

server development consultings

start-up trial

Senior Software Engineer at NCSoft

11/2007 - 06/2011

poker(holdem) AI research; 2 mo

• Software Engineer - python
  • nash-equilibrium game tree(counter-factual regret minimization)
  • prototype client / server (python 3.1)

3d MMO server engine; 15 mo

• Software Engineer - c++
  • core/socket library
  • refectoring code from L2, GW2
  • per-thread global memory pool
  • seamless server
    • 3d world map
    • transferring server cell to neighbor server
• TOOLS: win2k8, vs2008, mssql2k5, perforce

flash web game; 15 mo

• Software Engineer - c++
  • core/socket library
  • login/channel server
  • protocol parser generator for c++/action script
• DB Administrator - mssql2k5
  • db/stored procedures
• TOOLS: win2k3, vs2005, mssql2k5, svn, trac(issue-tracker), hudson

Software Engineer at Pentavision

05/2007 - 10/2007

Duelgate(card-based minion action game)

• Software Engineer - c++
  • technical support for server/client programming
  • data pack lib/tools for client
  • logging lib(console/file/remote connection)
• TOOLS: win2k3, vs2005, oracle9i

Software Engineer at EGN Interactive

11/2004 - 04/2006

snowboard racing game

• Software Engineer - c++
  • core/socket engine
  • login/session/messenger/channel/cache/relay servers
  • relay server/p2p network lib for client
• DB Administrator - mssql2000
  • db/stored procedures
• TOOLS: win2k3, vs2003, mssql2000

freelancer

04/2004 - 10/2004

research project

• 3d turn-based board game client/server (TIKAL)
• tool: vs2003, ogre3d, 3dsmax

Software Developer at Softmax

12/2001 - 02/2004

racing game

• Software Engineer - c++
  • battlenet server
  • relay server
  • 3d client lib for interpolation
  • one source for windows/freebsd
• TOOLS: freebsd, vs6, cvs

2d board game

• Software Engineer - c++
  • 2d game client maintainer
  • crash reporter
• TOOLS: windows, vs6, cvs

Software Developer at Triggersoft

02/2000 - 11/2001

Mug Samkukji - 2d game client/server development

• modified a* path finder
• TOOLS: win2k, vs6

Software Developer at Applware

07/1999 - 01/2000

2d game client/server development

• map editor
• sprite editor
• network programming
• TOOLS: win98, vs6

freelancer at Samsung Electro-mechanics

2000, 2001

wlan(wireless lan) utility for windows 95/98/ME/2000

• served with wlan PCMCIA card
• TOOLS: vs6, mfc

wlan protocol analyzer for win2k (like wireshark)

• configurable packet format script
• TOOLS: vs6, mfc

Hongik University, Seoul, Korea

Bachelor's Degree in Computer Engineering

major subject avg grade: 3.97/4.5

1991 text battle game with GW-BASIC
1997 2d game with Turbo C
2000 AI Chess client with JAVA
2001 some casino game auto-winner in java
    - reverse engineered decompiled java code
2012 some webgame automatic script in python
    - reverse engineered http query
2013 some mmorpg auction/tracking inspector
    - reverse engineered binary tcp data

• Ultima 6, 7, 8, Online
• World of Warcraft
• Tactics Ogre, FF Tactics
• Master of Magic, Master of Orion
• Diablo 1, 2
• Culdcept II
• X-Com, UFO
• ADOM, rogue-like
• Path of Exile
• Crusader Kings II, Europa Universalis IV, Stellaris
• Gnomoria, Rimworld, Terraria
• Mount&Blade

edm composing: 1, 2 with flstudio
liquor preference: yegermeister>tequilla>soju>beer