Back-End System Develop，2016 / 02 ~ 2021/ 08* Inventory DataFeed System，2016----Development----Performance Improvement----Troubleshooting & Maintain* REST-ful API System，2017 ~ 2018----Development--------ttHigo - support shipping 52 countries，2017--------API Throttling using Redis， 2017 & 2018--------Duplicate Check for reduce loading of DB & Other Systems，2017----Performance Improvement----Troubleshooting & Maintain *SellerPortal System，2018 ~----Development--------Seller Subsidy Management - Apply subsidy approvement to electronic process，2018--------Seller Commission Management - Improve Internal User experiences for batch process and support global countries，2018----Performance Improvement----Troubleshooting & Maintain----Portal Team Leader--------Project planning and management，2018/9 ～ now

Aras PLM System Consulting SD，2015 / 03 ~ 2016 / 02* Familiar with each version of Aras PLM System---- Aras PLM System install and setup.---- SQL install、setup and backup.---- Integration ERP System.---- Evaluate and collect the customer's requirement and generate customized request function document for develop team.---- Customized functions test、setup or install.---- System delivery, including balance amount、acceptance check and system function tutorial.

Back-End System Development，2013 ~ 2015 / 03----Inventory DataFeed System--------Development--------Performance Improvement--------Troubleshooting & MaintainBack-End System Tester， 2012 ~ 2013--------Business logic check and test to avoid financial loss.--------System service logic check and test to prevent system crash.