Hello,
Yes, I understand the flow of your project as I have reviewed your reference site https://www.change.org. I will certainly build similar website with social media, metadata and hyper mapping.
Please could you share the design to review?
Technically I am competent in PHP (v5.5 & 5.6), 3rd Party Gateway/App/Plugin/Script Integration, CodeIgniter, WordPress, Magento, Joomla, MySQL, HTML/HTML5, CSS/CSS3, Ajax, jQuery, Bootstrap v3, JavaScript etc.
For more information, please do ping.
Thanks & Regards
Brijesh N, Web Expert