Yongsang Tak

PROFESSIONAL PROFILE • Significant years of solid track records and hands-on experience on SW development of hand-held devices such as smartphone, tablet and feature phones. • As a embedded Linux and system SW engineer, ported and brought-up features on ARM AP, bootloader, RPM and modem with devices in Linux kernel and Android OS environment. • Outstanding debugging skills with dump parsers, J-TAG debugger, GDB, ADB(Crash, lock up and reset issues) • Experienced on performance improving and optimization at system level. • Good understanding and porting experience of Linux kernel drivers. • Developed with GIT, Gerrit, ClearCase, ClearQuest. • Good understanding of serial interfaces(I2C, UART) and peripherals(GPIO, keypads) • C, C++, ARM Assembler, ARM core debugger(Trace32), Baseband(Display/Memory/Audio, etc.) and RF HW control experiences. • Debugging HW issues using equipment such as Multi-meter, Oscilloscopes, logic analyzer and Power Monitor. • Experiences as a SW development team lead(BSP lead, Project lead) - Experienced as a leader of BSP team. Led and developed entire BSP function and features and collaborated with HW team and Project leaders. - developed various full cycled mobile and smart phone models.(Major North American carrier models) • Rich and various SW development experiences as a firmware engineer (RF and baseband chipset control) and application development engineer, manager(Messaging services, Call, BT, embedded UI)