Dear, client.
I have read your project description carefully and felt I am a good math for your project.
Why?
I am a expert in css, css3, bootstrap4, jquery, javascript, sass, using templates, html5, converting PSD/mockup/Sketch into live UI.
And I have been developing frontend using AngularJs, ReactJs, Vuejs and I have integrated payment gateway with Stripe, Paypal(using Braintree).
In this integrating work, I used Node for backend and React for frontend.
I am 100% confident.
Let's have a short discussion on your project.
Thanks.