Hello, I've done this tree structure node for each user node creation as per the structure, so I can help you to complete this project asap.
Relevant Skills and Experience
> Web Applications using PHP + MySQLi + API + jQuery
> Restful Web services: REST, SOAP
> Payment Gateway : Ccavenue, EBS, Paypal
> Design Pattern : Bootstrap 3+ (Responsive)
> CMS: Wordpress, Joomla
Proposed Milestones
₹30000 INR - Only after project completion