Add Sections To Existing Website.

Thank you for checking out this listing, i currently have a website live online and i need to add a couple of features onto the website, these include - - Live Chat With Seller and Buyer - Private Messaging system - more advanced Search - Mobile Layout The languages that you need to know are - Node Js (Back end ) - nunjacks Json ( Front end ) if work is done satisfactory and quickly more work will be needed in the future.