I just read your project details and I am sure that I can do the customization as per your requirement in your wordpress website. We will take a backup for safety if any thing destroys we will back it up again.
I am a freelancer having experience of more than 7 years in developing websites using HTML5, CSS3, Bootstrap, JS, Jquery, Wordpress , php , laravel, codigniter, magento,angular js, node js, app,web services,Rest fullapi.
Please contact me so we can discuss things and get started.
Thanks ...
Dinesh kumar