Hi.
I just read your project description and I'm interested in your job.
I fully understand your requirement. I will build that skype caller web portal in 7 days, really. including weekends.
I'm very skilled with Swift,Objective-C, Java, ReactNative,Ionic for mobile development and JS frameworks & libraries such as Angular, React, Vue, and PHP frameworks such as Laravel/Codeigniter, CMS(Wordpress/Shipify) for web development and C++, Java, C#/Asp.Net MVC,Python/Django Asp.Net Core for software development.
I am ready to work for you now.
Kind Regards