LINSY is a full service distribution and mobile shopping company which has been a leader in Hong Kong distribution with Duty Free Products.My role is to build an IT business team, a solution architect, and back-end development. Our team runs several new projects at the same time. I could not allow structures that somebody had made so badly. I joined the team and built the AWS infrastructure right away. This process helped the experience of the previous team (glowdayz).- Development organization management- Use the cloud server infrastructure for AWS- Development of e-commerce backend API and management system- Multiple project management

http://glowdayz.comhttp://glowpick.comhttps://play.google.com/store/apps/details?id=com.glowdayz.glowmeeThe glowpick is a cosmetic review service with high reliability that you have created yourself. It was built using various services of AWS. My role was as a CTO for backend development and infrastructure. I was able to think seriously about the infrastructure. In my previous job there was always an in-house infrastructure team, but I had to perform various roles here. All the experience here was good.- Develop a reliable user review service- Development organization management- Strategic api product design for sales team- Rebuilt legacy AWS infrastructure.- AWS region transfer (tokyo to seoul)- Development of administrator system using Yii2 framework- Development of search function using ElasticSearch engine.- Build RESTFull API server (Python, Django, AWS API Gateway and lambda)- Using JIRA, Confulence, BitBucket (Git)

https://kaidianwang.com.cn (Closed)https://makemall.com (Closed)https://tagstory.comhttps://shopnote.krhttps://play.google.com/store/apps/details?id=com.makeshop.shopnotekoreacenter.com is the largest Internet shopping mall ASP company in Korea. I worked in a department that develops adventurous new businesses. Targeting the Chinese market, shopping mall ASP service kaidianwang.com.cn ,makemall.cn and b2b video hosting service tagstory.com Finally, shopnote.kr is a mobile website builder for small businesses. I Worked for a long time. As I repeatedly experienced the steps of building a new business, I grew stronger and grew. But I thought I had worked too long.- development team management- billing api integration, delivery process localization.- One year local work resources for customer service in China.- Using freebsd, MySQL and Pure PHP or CakePHP, CodeIgniter framework.- Database model design- shopnote.kr service is a full cycle experience from planning, architecture, development and operation.

https://reseller.cafe24.comCAFE24 is Korea's largest web hosting service company. We worked with a detailed team and needed a deep approach to one service.It was a good company, but it did not fit me to perform only one role for one service.- Development and operation of Cafe24 reseller solution- Separate legacy web services into xml-rpc client and server- Using CentOS, PostgreSQL, Apache, PHP, CVS