Build a Web Application - Data Visualization for Multi-Users

Hi all, We're looking for an experienced web developer to create the following application : 1. Web application 2. Present text, images and data in visual graphical format via simple timelines, charts, graphs and similar methods in beautiful flat clean design per user account. 3. Allows multiple levels of account management (master and sub users). 4. Allows editing panel on either left or right of screen to dynamically edit and change text, image and graphical data values. Alternatively, edit values directly on page to dynamically change text, upload/delete images, and change graphical values for timelines, charts, graphics etc. 5. Export to PDF 6. Printable format (A4) 7. Subscription management 8. Recurring payments Management (Paypal, Visa, Master) 8. Users Contact Management via Email Please describe how you will plan, design, execute and maintain the above web application, Please show links to your portfolio of similar projects (which must be live). Please state your budget and milestones as well. Thank you.