oscommerce site adjustment and add new pages/functions

Project requirements- At present site using OScommerce v 2.3 + PayPal + mySql • Review and test the site, application and extensions for security vulnerabilities • Produce a Report to show fixes to be done-fix any vulnerabilities that are found • Add new secure page +amend database to store medication questionnaire (1) • Add new secure page +amend database to store + enable request repeat prescription (2) • Optimize site for all browsers, keywords and tags etc • Full site loaded onto hosting and tested, any issues resolved before payment made. Fix tab issue on product page and change layout Programmer must have oscommerce, JavaScript DHTML experience, speak English, contactable by landline phone and be able to show they can do the work listed in full specs on time and to a signed contract. State after care given and method of communication. FULL SPEC ENCLOSED- Please read first before bidding thanks