Position: Senior Java Developer
Category: Java
English level: fluent
Years of experience: 6

Campaign management system which handles about 4000 request per second.
I have implemented SMS Gateway with SMPP protocol.
Sms Gateway - with HTTP/SMPP protocol. 
This application is high performance app and developed for telecommunication company Campaign management system - Some important services done by me. 
Bulk Sms - Sending bulk sms.
I have developed many Telecom based high performer micro services
I have 5+ years experience in a big telecom company. outsourcing and product based projects are both are okay for me.