Sir,
we have ready windows based system having capacity of sending 1000+ message per channel. We are ready to develop the web interface as per your requirements.
the web site is just the interface for data management and internally to send whatsapp message it works windows service or windows application.
My request you to have a look on our windows application if you found interested we can proceed further. If you are not happy with output, we will not take any money from you. but i am sure at the end you will be happy with the output.
About Us
We are experienced programmer with more than 4 years of development experience here. I have handled production applications with various technologies like .NET, PHP, Classic ASP and many more using databases like MySQL, Microsoft SQL, Access and etc.
Mentioned below are a few USPs for choosing me:
1. Well written codes with proper documentation
2. Highest possible code optimization
3. Quick support through email / skype / telephone
4. Daily / Weekly status reporting
Let's discuss and make this project a success.
Regards,
JayamSoft