⭐⭐⭐⭐⭐ Welcome, Yuban! Hope you are doing well! I am sending you my proposal now, because I have fully understood what you want. From what I can see, the main idea of your project is to develop the software platform for the control of ISP network administration. I am sure that the socket technology, Payment integration, and Twilio API should be used for your project.
As an experienced software engineer, I am very interested in this project.
During development, I always provide my client with the optimized solution within very short time.
The key point is that I always try to implement optimized solution with the qualified code.
I am able to start working now immediately, so I would love to discuss in more details about your project.
Thank you and I look forward to hearing from you soon.
Kind Regards.
Oleh