Hello Sir/Mam,
I Understand that you want a website where people can make communities and join then them as per their interests and you want a complete access of everything that you can manage from backend. I have few questions if you would please message me to discus them, I will be more than happy to assist you with this project.
I have 5 year of experience in WordPress, PHP, Code Igniter , Magento, Shopify, Laravel, HTML, HTML5 , CSS, CSS3 etc..
Warm Regards
Pardeep