Greetings Project Manager,
I am John Ofagbe a professional web developer with extensive experience in PHP, Joomla!, WordPress, OSCommerce and several other CMSes and MVC-based systems.
SPBAS is based on PHP and I can easily modify and tweak your current website as per your project description. I can get this done within 24-48 hours time, depending on your website configuration.
Best regards,
John.