Seeking X CART expert to upgrade my current X CART shopping cart to latest X CART upgrade cart. X CART expert must have proven experience building X CARTs for USA [url removed, login to view] be experienced in Website Security. Must possess good ENGLISH communication skills. Please enclose examples of USA based sites you've built. My current X CART site has 200 [url removed, login to view] can bid with "PLACEHOLDER" bid.