Hi There,
I have gone through requirement and feel like you are looking for a Web Developer who can implement features on existing platform. I am sure that I am a best fit for this project because, I had already done such projects in past along with that, I am having 5+years of experience in Website (design/development/maintenance/implementation).
My core expertise:-
PHP, WP, MySQL, React.js, Laravel framework + Libraries, Vue.js, Codeigniter , RestAPI , Node.js, azax, Angularjs , HTML,CSS ,JavaScript/ Jquery, Bootstrap etc.
I can definitely integrate payment systems and can make it mobile-friendly with best UI/UX design.
Please share the website codes to review along with the list of features you want to implement.
Lets schedule a call to discuss more on this and we can start working on this project immediately.
Waiting for your response.
Thank You.