Must be very experienced and a specialist in analyzing a web site to find out why people are not buying. Must be knowledgeable to know what aspect of a website to analyze, navigation, usability, functionality, lay out, colors, call to actions, order process, check process and many other factors. Must know how to detail all the problems and specifically know how to fix them in order of importance. Must be a specialist in magento shopping cart. The first thing we want to do is our buying and check out process. We need to see you portfolio and references. What are you fees ?