SharePoint 2013 Development work

I have an ongoing SharePoint 2013 Project with some performance issues Here are the tasks 1.] Change the data structure 2. Create a new page to load Taxonomy from Term Storeand save user selections into a list in such a manner that the data can be read and used for reporting 3. CSS related work There is an existing code and the page to be created has an existing one but very slow Freelancer can improve on existing page or do a new one The page should show scroll bar at the bottom At the moment, it does not