Ruby on Rails app must know MangoDB!

I'm paying by the hour for this job. You will need to be a fast, clean and efficient Ruby deb person. The job is for a metrics app (that's all i can say until we hire you NDA required by you) work with a knowledgeable crew in this very cool start up company. We are currently paying up to 14.00 dollars and hour and 40 hours a week +. This is full time work for at least a month.