Hi Mate,
Hope you are doing well.
I got your project scope and I can help you to build your software. we have worked with e-commerce, backend system, online food order & travel booking, 3rd party app & different payment integration.
We have strong knowledge of C#, ASP.NET, ASP.NET MVC, WebApi, Angularjs, WPF, HTML5, CSS, Javascript, Jquery, SQL SERVER.
Please feel free to contact me to discuss more so we can start the work and discuss in details.
Thanks and best regards,
Peter