Database architecture

Hello, I am building an easy to scale dating site, that has to be designed to handle a very large number of users, for example 2 million users, 10,000 users online, 1 million messages stored in the database per week. The project is split into more parts, your job is to only design the database in order for it to handle large data quantities, in a cloud system like amazon. You need to have experience in designing large scale databases that work fast and store millions of datarows. There will also be done The programming of the site will be done by someone else, you can bid on that project as well. More programmers will work and develop each module of the site. Affiliate program Dating front end Operators backend(approve profiles write messages to members) Management backend Please bid only if you have experience with large databases and give me examples of what you developed so far in terms of databases only. Thank you Dorin Offshore Sales LLC The budget should be around 3-400 dollars depending on how we negotiate and on your experience.