the creation of the exchange website construction services

Task:
- to create a website for the exchange of construction services that will sustain
a minimum of 1000 concurrent users and which can be scaled
time to load 10000 users (and to which there are enough modules
to enhance the functionality and user "ruches")
engine choose and prove You on your taste and color
- detail TK later

You are required:
1) experience with those engines, which offer
2) timing ( factor)
3) cost and payment options
4) examples of similar projects from the portfolio

Desirable: knowledge of the structure and operation imageCMS

Questions: email kchempion@inbox.ru

Payment options
the advantage, of course, payment after the fact.
After successful completion of this project possible ongoing work
by working with sites and portals to add and configure modules/completions resources (different CMS).

PS no need to accept jobs from the "let's try" if You have not worked with such sites/projects