Vbulletin Plugin

We're looking for someone who had prior experience with vbulletin plugins to develop a plugin for us. The scripts needs to be able to deliver data to the forums via a XML file which we provide and have the following option: Choose if to display the box: above the forum or under Run of site or under the front page Force a link to our site on the footer if the plugin is installed. Specifications: Should support VBulletin 3.6.4 and up 3.7 etc. Should have the ability to install on multilingual forums RTL and LTR. We're ONLY looking for programmers who are familiar with the vbulletin platform.