What questions should you ask a studio that is selected for a Ruby project?

Question

Project management

We are looking for an office that can program in Ruby (RoR) and do all sorts of related things. We are e-commerce.
What questions should be asked to check qualifications? What is relevant and important now: Capistrano, Scrum, Chef, Sass, Dukan's diet?

Answer 1

It is stupid to ask something if you do not understand either the questions or the answers, hire a ruby ​​for an interview, he will interview people for a little money.
In fact, you pay 30 bucks there and a person interviews another person for you, the costs are generally minimal compared to the salaries of rubists.

Answer 2

how the sun differs from the moon.