Ruby on Rails Refactoring

We have a number of web apps developed in a Rails backend. We are looking to refactor existing apps and add test coverage in code climate. We are looking for a person or a team that has a strong process and can deliver on a milestone-based approach. We would like to understand your Rails related expertise, agile methodologies and tools you use and how you interface with the clients. Please be sure to answer each and every question to be considered for this job. 1. What kind of experience do you have with Rails development and refactoring? What tools do you use? 2. How many hours are you available per week? 3. How many other Rails experts are on your team? 4. Provide a link to your best Rails project and tell us what was your role. ?