I worked in IBM China, jd.com, Basebit.AI before. I have rich experience in architecture, design, programming, testing.
Basebit.AI     
Lanrui-ai project including user privilege management , order system , charging&billing system etc.
•	Function module design and development.
•	Backend development team manage
•	Tech: Python, Golang, React
JD.com
Smart Internet of Things platform
•	Job: system architect
•	Build JD Smart Internet of Things ecosystem, including smart furniture, smart audio etc.
•	Design from low-level networking protocols to cloud services  using Java ,Dubbo ,Netty .
APP Gateway
•	Application common gateway realize including authentication, attack prevention, service management, transfer, service monitoring by configuration of various protocols.
•	Design APP Gateway system and complete the development of the front and the backend.
•	Support testing and deployment.
IBM
Medical EMPI system of JiangSu and Hainan provinces in China
•	Build regional medical patient master index through data analysis, statistics and rule modeling 
•	Tool: Java
Sichuan Yinhai software
Sichuan Telecom integrated business and accounting system
•	Design order and ticket module 
•	Develop use J2EE