Hi, I have gone through your description. You need a website in which a user can create a landing page to its personal landing page with a unique domain name.
I carefully check all the main functionalities that you wish to be included in your project. I would like to inform that I have a hands on experience of developing all these mentioned features.
I am a full stack developer , having 10 years experience with 100% job success rate.I have extensive knowledge of Core PHP and it's frameworks (Symfony, Laravel, Zend, CI, Cake), JS and it's Frameworks (React, Angular, Express, Backbone, Express, Node, Moment, Vue, Typescript), Ajax, HTML5, CSS3, jQuery, MySQL, and Bootstrap.
I am available 24/7, so you can contact me any time round the clock.
Looking forward to hear from you.
UT