Developed solution program operate customer center in open chat room for talk application enterprises.◈ Created new modeling and developed delivery process to meet specifications to deliver message conversion which is the process of transmitting data between DB Insurance headquarters and agencies.◈ Developed GS Neotech's Kakaotalk chat solution function improvement and customer customization which generated new sales by 30%.◈ Developed and Managing Hanssem A/S chat Solution.◈ Established customer chat counseling system and administrator page on Samsung Fire & Marine Insurance website which increased the efficiency by 30% compared to As-Is system.

Developed cloud-based servers for DB encryption solution for customers. ◈ Created documents on national standard security certification to deliver cloud SaaS to public institutions.◈ Designed Cloud SaaS Admin page◈ Developed cloud-based servers for DB encryption solution which serves as SaaS version with vaadin language which led new transition by over 50%.◈ Developed and designed company website including the admin page which is managed by code.

Developed the output program solution based on security elements and personnel management for information security from the government.◈ Established Daishin Securities information protection compliance solution including information protection audits and management services of outsourced companies which increased work efficiency by 40%.◈ Undertook Hana Bank's information protection compliance solution's DB linkage and system error code correction.◈ Maintained information protection compliance solution for Koscom, DB Insurance, Korea Financial Information Service, and Kangwon Land.

Spearchead the plan and schedule according to the customer's request in the website production solution company.◈ Orchestrated the web designers, web publishers and developers work progress and results.◈ Development at the request of the customer.◈ Produced and opened 14 customer websites. (http://www.leathernori.com, http://www.gpngp.co.kr, http://www.huskynewyork.com, http://www.defiore.co.kr, http://www.interview-shop.com, http://m.ashleygarden.co.kr, http://www.amber-shop.co.kr, http://www.everspin.co.kr, http://www.soxcabinet.com, http://www.1004pack.com, https://www.rolarola.com, http://www.vonze.com, http://m.pleonb.com, http://www.jwoutdoormall.co.kr)

Oversaw NIKE Korea intranet website.◈ Developed CSC website to provide the community schedule sharing system, overtime approval system and educational-related materials at Icheon Logistics Center.◈ Developed the program to register assets as bar codes which elevated the utilization of asset management by 40%.◈ Developed payment system for each department to use the product from Nike directly managed stores which includes the order-history report system, real-time payment line checking system, the transferring payment system for business trips, email notification system and which enhanced efficiency by 250%.

Develop various data and events that occur on the insurance agency's website.◈ Developed event pages, increased sales by 10% in the previous month.◈ Developed a staff schedule management system which improved work efficiency by 20%.◈ Developed 7 Web sites (http://insulab.co.kr, http://insulabdirect.com, http://www.wealthlife.co.kr, http://insulabdirect.co.kr, http://www.baileysoo.co.kr, https://moms-club.co.kr, http://shop.moms-club.co.kr)

◈ Provide IT Help-Desk service and training on use of PCs and stand office software for end-users.◈ Planning and Managing local IT budget.

Artillery officer training assistant.