Required javascript,Website Development freelancer for Need master javascript backend developer job

We need to be able to embed a javascript onto a site.
Similar to how other eeb companies do.

This script will call the javascript located on our server. The code on our server would be hidden so none can see.

Devloper will code both the client snippet and server backend module.

The program will make it so that the client will perform calculations and communicate to server if it is successful.

More details later.

Must have expert knowledge in backend javascript programming.

Skills & Expertise Required

javascript Website Development