Integrated inventory management sales commission, invoicing, bank deposits, sales price, RMA, etc.

Looking for a proficient developer in integrated inventory management, expenses, management of sales team, sales commission, invoicing, bank deposits, product cost, sales price, RMA etc. The admin creates sellers account. The seller can log in to track his commission. He can create an invoice after he brokers a sales deal with a customer. The admin validates this invoice before the good is released to the customer. Every seller will be able to view the store inventory, make sales, invoice with admin validation and track his commission. The admin lists the Quantity, cost price and recommended sale price for all the products which are visible to all the sellers/marketers. Every seller account is created by the admin. The admin can make deductions on sellers’ commission and states the reason for the deduction. The system should be able to list inventory along with the product images. Admin Account: Manages the inventory Manages the sales reps Adding product to inventory Deducting products from inventory RMA Creating sales rep accounts Deleting sales rep accounts Making deductions from the sales rep commission Paying commission to the sales rep and marking it as paid Managing bank deposits, transfers, and POS payments Managing Expenses Able to make a sales forecast based on sales history Able to see the best performing sales rep-based volume of sales Seller Account: View his sale history View his commission View/search the inventory Create an invoice for a customer View the product cost price View the recommended product sale price set by the admin