Kwangho Lee

Experience

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  SEODU LOGIC, Inc.

  Jan 1996 - May 1999

  Software Engineer

  Developed various EDA (Electronic Design Automation) tools : Schematic Editor, Logic Simulator, File Parser, Translator and etc. I used C and C++ language and various development tools : MS Visual Studio, lex, yaccAlso studied many other computer languages: Java, Python, Perl, Tcl/Tk.Learned how to apply design patterns and studied large scale c++ software design

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  Daewoo Information Systems Co., Ltd.

  May 1999 - Dec 1999

  Software Engineer

  Developed a multipoint video conference system with researchers in ETRI (Electronics and Telecommunications Research Institute) which is one of the government-funded institutes.

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  Impact Online, Inc.

  Jan 2000 - Dec 2001

  Senior Software Engineer

  Designed and implemented network programming library in C++Developed instant messenger software using the library and successfully supplied it to many portal sites.Led in the architecture and development of remote lecture system for academies

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  Brainzsquare, Inc.

  Jan 2002 - May 2005

  Senior System Programmer

  * participated in the management of company as a directorDesigned & implemented secure network programming library in C++Developed disk based backup software runs on the various UNIX and windows platform using C, C++ and MySQL.Developed contents delivery system runs on UNIX and supplied it to KT that is the biggest ISP in KoreaDeveloped a NT service program for network drive by referring to samba source code and documentationFully responsible for product conceptualization, design, implementation, quality assurance, and maintenanceEfficiently led my software development team and successfully completed many turnkey projects related to file backup, and so made a great contribution to the company’s profit. Show less

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  NetKingCall, Inc.

  Jul 2005 - Nov 2006

  Principal Software Engineer

  NatKingCall is Korea R&D Center of Ximeta, Inc. USA - Analyzed NDAS(Network Direct Attached Storage) technology patented by Ximeta and proposed applications - Participated in the surveillance camera project and video on demand project - Developed a file sharing software on Linksys WRT54G series router for NDAS hard disk

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  Samsung SDS

  Feb 2007 - now

  Principal Software Engineer

  * Developed & Taught VMware assessment expert course - developed teaching materials* Developed & Taught Linux system programming - developed teaching materials for Linux system programming* Leading VMware cloud assessment - developed shell script for VMware cloud assessment - created VMware cloud assessment checklist - assessment VMware hybrid cloud* Leading DBaaS (DB as a Service) development - Docker/Kubernetes based PPAS provision PoC - R&D PPAS HA (Corosync, Pacemaker, DRBD, pgpool, etc) - developed PPAS(Postgres Plus Advanced Server) on OpenStack Trove : instance create/delete/modify, resize volume, backup/restore - Oracle Exadata, Enterprise Manager 12c PoC* OpenStack(Swift, Trove, Horizon, Keystone) Analysis/Install/Test - Swift(Grizzly/Havana) + Keystone(Folsom/Grizzly/Havana) analysis/install/test : staging deploy(proxy 2, storage 5) : production deploy(proxy 8, storage 15) : Swift vs AWS S3 API analysis & comparison : Swift vs DDN performance test : develop Swift Java SDK based on jclouds : Trove(Icehouse/Juno) : writing Horizon(based on Django) developer guide * Leading development of Samsung Smart TV App Framework & various Smart TV Apps - based on HTML5, CSS3, JavaScript, jQuery - Family Story, Social TV, Search All (Smart TV signature service) - Facebook(with XMPP), Twitter, Google Calendar, Picasa, Smart Program Guide(like EPG), etc. : Cooperate with Facebook, Twitter, Google - IME(Input Method Editor), OAuth module - Smart TV App manager&launcher - Technical support for various outside Smart TV Apps(Netflix, National Geographic, SK Comms, etc)* Leading development of web-based cloud resource management system : Java, Spring Framework, OSGI, Hibernate, Velocity, Oracle, SOAP, REST API Show less