I understand that you are looking for a system where you can provide a list of mobile numbers in Excel and the system can create a WhatsApp Group and Broadcast List within the permissible limits of WhatsApp. No manual entry of numbers is required.
I have extensive experience in developing websites using Asp.Net, HMTL, DHTML, SQL-Server, MVC, .Net Core and Angular. My core competency lies in end-end management of a new website development project and I am confident that I can deliver an efficient system for your needs.
My team and I have developed many websites using these technologies before and we have tested successfully end-to-end on numerous projects. This gives us confidence that we can create a successful solution for you..