Looking for expert in Jquery or html or bootstrap to build a Form Builder

Hello, I am working on a drag and drop form builder project, i was able to create a nonworking prototype using Java. I’ll like the form builder to be a bootstrap or made from jquery,html,css as seen on
Form Builder
which i assume by looking through the code is not difficult task, probably takes few minutes to create for experts like you. My project is even more simpler because the user will only be able to create and design a checkout form, also the above form builder will reduce the workload because you can edit their code. No need for complicated validation and other unnecessary form elements. The user will be able to create color the forms using this drag and drop coloring concept
Coloring Concept
Kindly get back to me on how much it is going to cost and how long it will take thanks.