Viral invite friend affiliate link application

Avg Bid (USD)
Project Budget (USD)
$750 - $1500

Project Description:
I need an invite a friend application which is exactly similar to this website's:

You will need to sign up as a member here and then test out their app.

Please include in your proposal:
-time required
-method of implementation
-samples of past work

Skills required:
PHP, Software Architecture
Additional Files: gilt+invite+affiliate+application.png
About the employer:
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