Required Microsoft SharePoint Administration,Microsoft SharePoint Development,Microsoft Office SharePoint Server,Microsoft SharePoint Designer,Data Visualization freelancer for Design a Custom Data Visualization Sharepoint Add-in based on existing API job

We are looking for an experienced Sharepoint Designer/Developer to help us turn our Wordpress demo into a fully functional Sharepoint Add-in for enterprise clients.
This add-in must meet all safety, privacy and security protocols.
This add-in must use an existing API provided by our backend development team
This add-in must provide a data visualization dashboard inside of Sharepoint similar to Microsoft Insights that is fully white-labelled to the clients Sharepoint.
This add-in must contain bar-graphs, number counters and styled text blocks, similar to the current demo
This add-in must contain pages of content or provide modals for providing a further explanation to the data visuals
This add-in must provide filtering of data based on our requirements
This add-in must provide different levels of functionality based on the user level
This add-in must allow Administrators to download a report, which contains a cover page and a collection of data. A sample report is available on our demo.
This add-in must be accessible in the Microsoft Sharepoint Add-in store

Skills & Expertise Required

Microsoft SharePoint Administration Microsoft SharePoint Development Microsoft Office SharePoint Server Microsoft SharePoint Designer Data Visualization