● Developing Webkit Based Full Browser for Mobile Platform- Served as a Scrum Master of Scrum Team.- Participate in Webkit Community for Contribution.- Designed Interaction Architecture between Webkit and User Interface.- Ported Webkit Based Browser on Mobile Platform.- Launched VK11K(Mobile Phone) for Verizon Wireless. ● Developing Full-Browser Core for Mobile Platform- Managed Coaches as a Master Coach.- Designed Browser Core Architecture including DOM, Rendering, Resource Management.- Researched High Performance & Reducing Used Memory.- Implemented DOM & Rendering Modules for Web Browser including Binding to Javascript. - Supported Technology for Launching to Various Platform(BREW, Linux, Android, WIPI, Win-Mobile) & Model(SAMSUNG, LG, NOKIA, SANYO, Verizon, SprintPCS, SKT, LGT) ● Developing T-DMB Web Browser for Mobile Platform- Designed Browsing Architecture for Broadcasting Signal.- Implemented JAVA Platform Integration Module with JNI.- Provided by SAMSUNG, LG Electronics, KBS, MBC, SBS

● Developing Security Test-bed Server for Mobile Phone (LG Electronics)- Served as a S/W Architect and Master Developer with LG Electronics, Infraware, Provided by LG Electronics- Designed architecture of Web Server for Security Test and Test Case Management.- Developed Test Server for WAP 1.x/2.0 Dual Protocol Stack, Implemented Modules of Test Case Management & Certificate Issuing, SSL / TLS / WTLS Protocol Stack- Developed Web-based Security Test Framework.● Developing Home-Automation System (SAMSUNG HomeN)- Involved as a S/W Designer and Master Developer with Samsung SDS, Samsung Electronics, Provided by Korean Ministry of Science and Technology - Designed S/W architecture including Data Communication & Data Processing.- Developed Control Server for Home Automation and Implemented Power Line Data Communication Module for Home Appliances ● Developing & Managing Security Payment System for Credit Card- Served Management as a Project Manager.- Implemented X.25 Data Communication Module- Integrated Transaction Data & Implemented Data Processing Module for Payment.

● Developing & Managing CRM(Customer Relationship Management) System of Credit Card- Designed Data Model for CRM System with NCR Data Warehousing Group- Designed Architecture including requirements definition.- Implemented Data Communication Module and Sales Data Managing Module.- Implemented Web based Intranet front/backend. - Managed a Sub Project Team.● Developing Security Payment System for Web Site- Designed Real-Time Payment Architecture for Commercial Web Sites.- Implemented TCP Data Communication Module for Payment.