Your choice is successful and success is best profit
I have just read your requirement careful and I understood what you want correctly.
I'm a senior full-stack MERN developer with 5+ years experience.
So far, I have been building lots of wbesites using react fuse theme or semantic ui, material ui.
So i am very familiar with cloud platform for git, bitbucket and third party payment gateway such as paypal, stripe etc.
I am used to provide perfect component logic and attractive coding style using Lifecycle, Router, History, Redux, Hoc, Ref, Hook.
That is why, website speed improve up by providing fast rendering.
Please feel free to send message, so we can discuss more.
Best regards..