Hi,
I have read all the requirements carefully and I am the right person for the job. I have 3+ years of experience in .NET Framework, C#, Web API, MVC framework, JWT Authentication, Azure Cloud Service, Mongo DB, SQL Server. I can create one web app or desktop app where you can select no or pass excel sheet and it will send whats app to those number one by one. You can also select different different messages if you want and many more filters. Kindly send me all the details for more clarity and the proper deadline for the task.