Hi there,
I have gone through your requirements as you are looking for a developer to integrate a payment gateway in Angular 7.
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