Hi there,
I have gone through your requirements as you are looking for the developer, I can fix checout bug in prestashop.
I am an expert in Wordpress, Joomla, Core php, Laravel, Codeigniter, Prestashop, Django, ERPNext, framework, js, jQuery, ajax, jSon, HTML5, CSS, Bootstrap4, jQuery, Javascript, Angular, Ionic, coral, Xd etc
Looking for your response
Thanks