Build Me an E commerce Flutter App

I need an e-commerce flutter app. Design: choose yourself
This is an app for selling Painting brushes wholesale
Backend connected to firebase

*Important: This is a small budget project so high bidders pls stay away.

Features:
Products view and shop
id creation and editing details like name, address, email, phone
Orders details and status
Bill generation and pdf download (also sent to registered email and phone no)
Gst and shipping added at checkout
Product search should work nicely
Multiple images slider
On sale page
Proper description adding like amazon (bullet points, proper paragraphs, etc)
Online payment methods added (debit/credit card, upi, wallet)

Admin panel:
New products add
product details change
checking new orders and all details of customer
bill generation
order status change
old orders history with customer details

I already have the basic version of this on playstore. Feel free to have a look.
https://play.google.com/store/apps/details?id=com.artpavilionproducts.arorabrush

Feel free to message me for more details.