Professional Website design

I require a competent and creative web designer to create a website which will allow users to purchase digital currencies. I will be accepting various forms of payment, I will need some kind of currency convertor. I am open to suggestions and looking for the brightest people out there to design a really stunning website. Customers will log on to the website and exchange one form of currency for another. I will require a log in screen. Only the best need apply for this job,