**I think my experience will be helped for you.***
In my opinion, the main problem of this project isusing the flexible database such as Mongodb, mysql, WHMCS.
Dear Client.
I am a full-stack web developer who have a rich and progressive experience.
I have read the description of your project and got very interested in working on this project as it perfectly fits in my skill stack.
I know well about php, Wordpress, CSS, MERN, javascript, jquery plugin, Sass, MVC php frameworks.
I'd like to know your project in detail.
Please contact me and discuss your project in detail.
I think if you hire me, your new project will be successfully.
I'd love to work on you.
Best regards.