Vinetech is the IoT & Business Platform Company, as a Market leader in enterprise High Performance Computing (HPC) and NMS solutions. It has three main units comprising of management service, technical sales business unit, and U-Vine Lab which is the solution and IoT platform center which is fully into development of IoT related mobile & web applications, and national projects in collaboration with the government organizations.Roles:- Full stacked development and maintenance of web related applications.- Take roles in analyzing and decision making of project targets and technical needs.- Research up to date web related technologies and prototyping.Achievements: 1. National Projects:- Disaster management system web dashboard- Seoul electric car manangement system web dashboard- Bridge management system2. Others:- Building/apartment energy management report system in collaboration with Korea institute of civil engineering & building technology.- Building energy system management module.- Workers location tracking & sos management dashboard for Samsung Data center.- Medliox device management dashboard and API service for Soosan CMCCurrent project: 1. Wezon: Mobile application to track valuables or individual, using BLE technology. Version 1 & 2(Wezon plus) has been released, and it can be found in google play store and in apple App Store.Roles:- Back-end RESTFUL API development- Users management dashboard development- Users item location tracking web dashboard development- Server and database management 2. View Partners: Hospital/Clinic patient management system.Roles:- Back end REST API service development and maintenance.- Server and database management.- Admin management dashboard management and service support.3. Litmus cloud: IoT device sensor data service managementRoles: - Users dashboard maintenance and development to enhance it's features- Backend admin management system maintenance and new features development on request

PayGate, Inc is a payment processor and gateway based in Seoul, South Korea. Its main service is to provide a payment API and payment gateway which allows merchants to accept online credit card payments from their customers. PayGate differentiates itself from its competitors by offering solutions which allows merchants to accept payments from countries outside of Korea, especially Japan and China. It also provide a solution which allows international merchants outside of Korea to sell to the Korean market. Founded in 1999, Paygate Inc is a pioneer in the online electronic payment industry.Roles:- Take lead in front end web development.- Supervise team members in implementing coding techniques and debugging.- Research and system improvisation with enhance technologies.- Work closely with foreign clients/merchants in integrating Paygate's payment systemAchievement:- Improvised Paygate's payment link module into a more user friendly and maintainable system. With the new improvised system the client/merchant can either enjoy using Paygate's web standard user interface which can run in web as well as in mobile platform, or they can build their own user interface and use Paygate's API which supports cross domain request and response mechanism.- Take lead in developing payment User Interface for Samsung smart tv platform, and contribute to the success of the merchant who desires to use Paygate's payment module on Samsung smart tv platform.- Implement Seyfert platform dashboard that supports information for financial related transactions, member management and other back end office related task.

•Developed mobile applications with focus on user experience and researching advance tools and technology for producing exceptional products.•Patent Management System development, testing, and maintenance.•Analyzing and enhancement of old web products into a more user friendly and user experience products. •Market research and analysis. •Copy Editing.•Customer support.

•Developed wide range of web applications with emphasize on UX dealing with automobiles dealer management system, Import management system, and customer relationship management system. •Copy editing and extensive research on technologies to continuously update the system with the latest trend.•Recruitment of new employees and carry out training programs.

•Extensive research and prototyping of new technologies. It also includes testing before presenting it to the developers for implementing to the current system.•Documentation, copy editing, and developing visual data applications such as chart and Grid for supporting in the applications dealing with statistics.