Software Developer for POS

HI i needed a pos system for my shop. with customisation of products and multi stores function together with multi currency. our shop is selling customised flipflops. in the pos will have a buying procedure as below 1 . Choose strap colours and size 2. choose base colours. 1&2 is a standard for 1 pair of flipfop. if customer buys 2 pairs, it will be at a discounted price so we must be able to set the price. 3. select accessories with picture selection input.( allow to choose from pictures to input items with different category). 4. check out. Modules: 1- Multiple stores with unique dashboard and users 2- User management with roles and permissions for every store 3- Products modules + Add ons modules 4- Catalog module 5- POS screen for customers in every store 6- Admin dashboard to control all stores 7- Reports module 8- POS screen for employees 9- Display customer orders by employees 10- Setup POS printers module 11- Settings page 12- Sessions for every employee with his sales and money 13- Payment module 14- Coupons and discounts for sales 15- Venders modules 16- Customers module 17- Return sales module 18- Purchases module from warehouse 19- Purchases module from stores 20- Return purchases module from store to warehouse 21- Return purchases module from warehouse example of workflow of stock management Master Admin - 1 Single master Sub master Admin - mulitple Sub master Retail Stores- mulitple stores under each sub master admin. Stock replenishment process 1. Retail Stores raise to place stocks order 2. Stock order goes to Sub master. 3. Sub master consolidate from all stores and place order to master admin.