Add feature to Laravel & typescript

Hello Guys ! ?

I'm looking for a Laravel & Typescript expert to add features on our webapp

1) Vivawallet Payment gateway

2) Hide Price for guest user

3) Disable front Registration

4) Product Attribute

- At the moment only shop owner can add his attribute, i want to remove this privilège, and let only admin add sitewide product attribute that can be filled on add product form
- add attribute type like number slide filter to resolve filer by quantity attribute, price

5) Seller Chat Box
We have one but you can suggest yours


6) Dark Mode


here details: https://bontaga.notion.site/Task-Business-Launching-9b9d8e2156cf4bcbb05f8c636b78b4f0


I need time and fixed price estimate Don't Overquote !

Thanks