Seems nice and functional, it is quite plain appearance wise but that's not a problem. Seems strange that the title of the site doesn't appear in a header, instead there is just an ad. I also expected to see some kind of flaming graphic because of the name. I think the text could do with a grammar and spelling pass, for example on the search bar it says "Over 1 million job offerts" this makes no sense should probably just read "Over 1 million jobs listed". The About page has similar problems "Flamingjobs.com has proven itself to be one of the best company over the internet with our easy finder jobs. Our mission remains to connect the best employers with the best candidates." This reads really badly. I can do a text re-write for you for a small fee, PM me if you are interested.
One thing I would definately do is to have your site title and logo in the header. Maybe move the top ad to a side bar.
I don't know why you have an add in place of your header and logo... and the use of blue its weird too, since your site is called "flaming" which would be like red.
Looks nice and plain, easy to read and get around. But as stated above it needs a logo, header of some type. Good Luck with it
Although the design looks plain and simple, I think overall it is fine. Even the jobs listing are properly organized for easy search.
The site is easy to navigate and I like the use of colors. The color scheme does not get in the way. I would have the title and logo at the top and make sure the grammer and spelling are up to par.
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