- Led 9 team members to develop and publish 23 iOS/android games.- Accomplished 39 million downloads.(1 game was featured in Google play store)- Worked with various mobile industry companies. (Google, Tapjoy, Kakao, Daum, Inmobi, Samsung, SK-Planet, Roiworld, etc.)- Developed a tracking program of user downloads and executions.- Developed a server side program of the leader board system in PHP.- Developed a network performance test tool for monitoring massive traffic in… Show more - Led 9 team members to develop and publish 23 iOS/android games.- Accomplished 39 million downloads.(1 game was featured in Google play store)- Worked with various mobile industry companies. (Google, Tapjoy, Kakao, Daum, Inmobi, Samsung, SK-Planet, Roiworld, etc.)- Developed a tracking program of user downloads and executions.- Developed a server side program of the leader board system in PHP.- Developed a network performance test tool for monitoring massive traffic in PHP.- Built up cross-platform deployment environment with cocos2dx game engine.- Installed and maintained Web/wiki/SVN server systems. Show less

- Worked as a technical support engineer responsible for supporting customers (Samsung, LG, KTF, Pantech) to integrate the mobile browser with their products. Details: browser UI, UX, SSL, network, T9 editor, R2L, i18n features issues, SyncML (Contacts) for android.- Implemented part of Open Internet Browser rendering module such as CSS2, Java-script engine, DOM.- Worked with core development team in US and other countries Japan, India, China while reporting bugs and requesting new… Show more - Worked as a technical support engineer responsible for supporting customers (Samsung, LG, KTF, Pantech) to integrate the mobile browser with their products. Details: browser UI, UX, SSL, network, T9 editor, R2L, i18n features issues, SyncML (Contacts) for android.- Implemented part of Open Internet Browser rendering module such as CSS2, Java-script engine, DOM.- Worked with core development team in US and other countries Japan, India, China while reporting bugs and requesting new features from customers. Show less

- Worked as a technical support engineer responsible for OS/DBMS part of mobile/PSTN switching system. Resolved operational issues such as system crashes, malfunctions.(C/Assembly)- Worked as a technical support engineer responsible for ISDN/ number translation/call routing part of mobile/PSTN switching system.(CHILL/C)- Ported operating system and Firmware from VAX machine to Sun Solaris.(C/Assembly)- Educated on wide variety of topics, Embedded Real Time OS, SIP Protocol, Network… Show more - Worked as a technical support engineer responsible for OS/DBMS part of mobile/PSTN switching system. Resolved operational issues such as system crashes, malfunctions.(C/Assembly)- Worked as a technical support engineer responsible for ISDN/ number translation/call routing part of mobile/PSTN switching system.(CHILL/C)- Ported operating system and Firmware from VAX machine to Sun Solaris.(C/Assembly)- Educated on wide variety of topics, Embedded Real Time OS, SIP Protocol, Network Programming, Testing Techniques, OOP, and so on. Show less

- Developed a simulation program in Visual C++ showing how railroad signaling system works, data manipulation, GUI, RS232 communication with wireless modem, MS-ACCESS database connection, and Excel crystal reporting part.

- Developed a private’s specialty classification program that using Microsoft Access and Crystal Report in Microsoft Visual Basic.- Created and maintained web site for Republic of Korea Air Force and Information & Communication School.