Hello, I've read your proposal carefully.
I have done many projects like yours before so I think I am the best candidate.
Laravel and CodeIgnitor, Magento, Wordpress, Shopify etc..., all are my favorite, and also I knows well many javascript frameworks like React.js, Vue.js etc...
For backend of these react.js frontend projects, I often used Node.js, GraphQL and some severless frameworks, such as firebase, AWS and sometimes I combined it to Laravel.
For a database, postgresql is better for its high speed.
From my past work, I think I can be a right person for your job.
Looking forward to hearing from you.
Thank you