Hi There,
I have checked all of your requirements and I am interested in your job and would like you to consider me for the job just because I have good hand in PHP and experience of WordPress,Joomla,Html,Css,Opencart,Shopify and Magento.
I have very good hand in PHP. can you please send me code to check. Then i will let you know sharp time and cost estimate.
Regards,
Code Corners