I have gone through your requirement of ROR and it is fine with me.I have extensive experience in building/ fixing/ Tweaking Ruby on Rails application rapidly.I am confident to provide you the same and I woMore
My name is Murhari.
My core competency is on RoR as love this stuff immensely. (Rails-3.2.8-Rails 3.2.13 Ruby-1.9.2-Ruby2.0.0 )
I am into Ruby On Rails since two years now and I am loving each and every part of it. About your application, I guess it should be easy to build and since you are choosing a good database option as in Postgresql More