I Am a Self-Motivated Software Engineer Who Loves Technical Challenges, Especial Ly Those Allowing Me to Use My Creativity. Expe
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I am a self-motivated software engineer who loves technical challenges, especial ly those allowing me to use my creativity. Experienced in various embedded opera ting systems like RTOS, Windows Mobile, Linux and Android. Application and platf orm development experience in GSM, GPRS and UMTS cellular communication system. Technical Skills * Skillful in GTK/Clutter programming * Skillful in bug-fix and performance tuning with GDB, Valgrind, Strace and LTTn g trace * Skillful in Multimedia codec (MP3, AAC, AMRNB/WB) * Good knowledge of SQLite * Good knowledge of ALSA, Gstreamer and OpenMAX for Multimedia * Good knowledge of 2G/2.5G/3G Cellular Communication system. * Skillful in PPP, HTTP, SIP, TCP/IP and AT command * Experienced in SMS, MMS and Instant Messaging application development. * Skillful in C/C++ programming Other Skills (Tool & Equipment) * Eclipse * Glade * Visual Studio 6.0 / Visual Studio.Net * Microsoft Platform builder * Borland C/C++ Builder * Agilent 8960, Anite and Anritsu MD8480 Equipment Work Experience Jan, 2009 ~ Current : Full-time employee with L1B visa at ACCESS Systems Americas, Inc. in USA Position : Senior Software Engineer * UMTS Smartphone Development based on ACCESS LINUX PLATFORM (ALP) * Performance improvement of the ALP platform - LivePIM , SQLite database, Exchange/Postal manager and Multi tasking - Optimized memory and I/O activities - Wrote the automated tool for the performance test * Performance improvement of ALP Advanced UI applications - Improved Application launch time and use cases - Improved the soft keyboard performance with multiple threads - Fixed the memory issue with valgrind - Fixed the stability issue - Performance tuning for ALP Advanced UI framework * Developed ALP Advnaced UI widgets Jun, 2007 ~ Dec, 2008 : employed with ACCESS SEOUL Co.,Ltd.. (Seoul, Korea) Position : Software Engineer *Mojo Project * UMTS Smartphone Development based on ACCESS LINUX PLATFORM (ALP) * Developed GTK applications with ALP Eclipse and ALP Glade * Developed Date & Time preference application * Developed Locale and Language preference application * Developed Power Preference application - set the LCD backlight timeout & brightness - schedule a wake up at a specified time - set ALP Ambient Light Sensor *ALP Porting for Customer Sales Demo * Worked for ALP porting on the reference device - Qualcomm?s snapdragon(QSD8250 chip) - SEC?s S3C6400 chip * Riedel Project (for Orange, France operator) * UMTS Smartphone Development based on ACCESS LINUX PLATFORM (ALP) * Worked in the Multimedia part - Developed audio codec plug-in on ALP Gstreamer framework (MP3 decoder, AMRNB/WB decoder and AMRNB encoder) - Developed ALP Audio Manager/Router for various audio devices like microphone, speaker, earphone, receiver and BT headset. - Developed ALP Audio Device Manager based on ALSA interface - Customized ALP Volume Controller for device volume and s/w volume Jul, 2002 ~ May, 2007 : employed with Pantech Co., Ltd. (in Seoul, Korea) Position : Software Engineer *AT&T, US Project (Mustang) - UMTS Smartphone Development based on Windows Mobile Crossbow - SMS/MMS application development of Teleca Obigo Q05A version - Experience of IM application Certification using OZ IMPS client for U.S (AOL, MSN, Yahoo) - Notepad application development - Windows Mobile Customization (Power On/Off Animation, HomeScreen,..) *Vodafone, France project (PG-3500E) : GSM/GPRS Mobile Development - GSM/GPRS Mobile Development based on ADI/TTPCom Ver12 - Instant Messaging application development - Porting and Test of Ecrio OMA WV 1.2.1 version - France Field Test for Vodafone IOT *AT&T, US project (PG-C200/C300) : - GSM/GPRS Mobile Development based on ADI/TTPCom Ver12 - Instant Messaging application development - Porting and Test of Ecrio OMA WV 1.2.1 version - U.S Field Test for Yahoo,AIM,MSN Certification *T-mobile, U.S project (G-720/GB-220/PG-1410/1530) : - GSM/GPRS Mobile Development based on ADI/TTPCom Ver6.1/Ver12 - Instant Messaging application development - Porting and Test of Ecrio OMA WV 1.2 version - India, China & U.S Field Test for Yahoo,AIM Certification *Open Market project (Cute/G500/GF200): - GSM/GPRS Mobile Development based on ADI/TTPCom Ver2.2.1/Ver6.1 - Data Service development (GPRS/CSD/FAX ) - EMS/MMS PCsync development - China, Brazil Field test Jan, 2002 ~ Jun,2002 : employed with BOE HYDIS Technology Co.,Ltd.(Korea) (formerly, HYDIS/HYNIX) Position : Embedded Engineer *HM15X13 i-module LCD Board Development - Based on Genesis GM5115 Chip - 15?SXGA LCD One Chip board development (LCD module + ADC board) - LCD Timing Controller S/W development - LCD OSD Controller S/W development Educational Background * Mar. 1995 ~ Feb. 2002 Bachelor?s degree at Chung-Ang University (Seoul, Korea), major in electrical & electronics engineering course.