Build a system create a website automatically like Shopify

Hi, I need a freelancer help me build a website System create a website automatically like Shopify . Functions: - Create subdomain [login to view URL] after member create a new account. - Setup default themes when create subdomain and website. - Allow member use domain .com, .net, or .. with IP or DNS ([login to view URL], [login to view URL]) - Default when member create website is plan trial, member can views storage and bandwidth use yoursite. - When member add domain completed, if visit sudomain, auto redirect to domain new. Can turn off/on this function. If turn off, can visit subdomain or domain .com. If turn on, can\'t visit subdomain, only visit domain .com - Allow admin create a new plan (storage, bandwidth, limit posts, ...). - Allow member change url login to admin page, default when create website is yourname,[login to view URL] but can change is yourname,[login to view URL], yourname,[login to view URL] - Easy add new theme on themes zone.