Oscommerce Spanish to English Translation

We need a proficient translator, with spanish as a second language. (Asia and India please do not bid) The project involves edition of php, sql and xls files on an advanced text editor. Requires deep knowledge of PHP, JS, HTML tags and perfect spelling. Marketing background is appreciated as content is sales-related. We will provide our custom OSC language files where the freelancer will work on, maintaining the "define();" labels. This first task consists of 80 files of approx. 500 words each. This is techical/sale related content. We will also provide a XLS file containing the SQL output of the database backup, we need the writer to identify categories, products, products descriptions, options and attributes in it and proceed to translate them, always keeping in mind SQL syntax and html tags inside the products descriptions table. Number of products = 50. This is mostly sale-related content. We expect to receive as deliverables the same files we provided, edited. We will choose a bidder today and start as soon as possible.