jewellery website backend development

We need an individual private developer for Jewellery E-Commerce website, who have skills of algorithms and calculations. IT Companies please stay away

My Frontend UI is ready on Bootstrap or HTML
all features will be discussed during development
overview of features
Auto Price Change according to purity
can Manage, Edit, Create orders
Super Admin where i can create sub admins also can control / Grant backend pages to Sub Admin Users
Booking Feature
can add or manage Filters
can manage, create, edit, ban users
system will generate invoices of orders
user activities like product added on cart, added on favorites, last login date and time, IP Address, will show on backend.
fully dynamic website from backend we can control, edit and manage all the frontend pages , features and content.
more features will be discussed over chat conversation.
backend will be developed on Codeigniter or Laravel Framework.