Need clear and modern website developer

I'm trying to upload my shopping site locally. I had a developer, but the deadline was too long, so I'm looking for a great developer. My shopping site is very great, but I think it has weak security. The developer I am looking for must have sufficient experience and skills in security, Web3, and MERN Stack.

It should be resolved as follows:

First, you need to complete email address verification and design your profile section when signing up as a client.
Second, you need to make sure that customers can pay with their wallet or cryptocurrency when purchasing new items.
Third, we need to design for all categories and add new fields and categories.

I have a wonderful dream that my new site will do well in our state, and that's why I'm expanding my business. If the new site succeeds, I think we can continue to work together in the future.