CREATING A VPN TUNNEL IN FLUTTER LOGIC WILL BE WRITTEN IN PYTHON

This is a flutter project which needs tweaking its tunnel probably write new logic.I my self am a developer and a networking expert but need help from a freelance with whom we will be able to write some logic which
.You must have networking knowledge..
My target is to create apps in line with the below.check play store
wiretun
your-freedom
http injector
v2ray
You must know a few things like domain fronting using fastly