Hello?
I am very interesting in your project
I have read your description. I am expert in c#, WPF, restful api and db
I can show my some demo if you want
I am expert in User custom control, UI/UX design
Please contact me
If you contact me, you'll get the perfect the result and a good and a honest developer.
I want to work with you for a long time. I can work full time for you
I will send you the my web site links if you want.
I will wait you
Best regards