Hi there,
I have gone through your requirements as you are looking for the developer, I can build a monthly subscription system by using Paypal.
I am an expert in Wordpress, Joomla, Core php, Laravel, Codeigniter, Python, Django, ERPNext, framework, js, jQuery, ajax, jSon, HTML5, CSS, Bootstrap4, jQuery, Javascript, Angular, Ionic, coral, Xd etc
Looking for your response
Thanks