Web Application Developer - PHP / XHTML / MySQL to integrate Sage 200 with Magento

We require an expert web application developer that has proven skills in working with PHP / XHTML / MySQL, and previous knowledge in working with Sage 200 and Magento. We have a Magento store and now require this to interface directly to our Sage 200 accounting system. You will be required to write an interface application that links the two applications together. This interface engine may well be extended to interface to other web based applications and would best written as an API. Please do not bid on this if you cannot demonstrate your skills. With your bid please supply the following information:- 1. Experience in Sage 200 interfaces 2. Experience in customising Magento 3. Estimated time to complete this project and availability. 4. Links to example applications created that can be identified to you.