Need a javascripti application for an Opencart website

Avg Bid (EUR)
Project Budget (EUR)
€250 - €750

Project Description:
I need a Javascript application for a clients website, the website is a Opencart eshop. The application we need is EXACTLY like this one.

Steps that this application will offer to CLIENT:
Step 1 -> Client selects a shape or item just like the above link.
Step 2-> Client selects some of the premade layouts just like the preview link
Step 3-> Client can connect with instagram / facebook, upload images or use some of the premade designs
Step 4-> Client selects some extra options like special colors or cuts
Step 5-> Client selects some special effects
Step 6-> Client presses ORDER the item is places in the opencarts cart. Then client or selects to view cart and procceed to order or continiues shopping.

In the cart client must see a thumbnail of the final order he made.

Options that this application will offer to the Shop Owner:
Option 1-> Easy to upload new designs from adobe pdf vector files for the 1st step above
Option 2-> This application MUST be connected with opencarts Payment system and Cart
Option 3-> Must be working PERFECTLY with all Android and iOS devices just like the link i gave you above.

I will select a freelancer with previous experience and portfolio with Javascripts and Responsive Javascript applications.

Payment will be made after the project is 100% finished.

Skills required:
CSS, Javascript, PHP, Software Architecture
About the employer:
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