Experience with efficient searching , indexing and caching techniques
Must have good analytical skills with ability to work on challenging problems.
Price is not a problem if a developer is efficient and skilled.
The product is similar to http://www.cardekho.com/.
With an accessory product that allows dealers to bulk post their cars to classified websites like http://www.olx.in
Selection would be based upon answer to following simple question.
How long would it take to build the entire website plus the automatic posting solution in terms of days and why?