Hello, I've gone through your requirements. I've prior experience with paypal customizations.
Relevant Skills and Experience
I have Experience of more than 6 years in Web Designing,Wordpress,codeigniter, WooCommerce, Opencart, PHP, MYSQL, js, JQUERY, PHP Frameworks, AJAX , HTML5, CSS2/3, Bootstrap.
Proposed Milestones
$180 USD - Project
Can we discuss in detail and then finalize time and budget?