Hello,
I can do the job EASILY, i have 6+ years of experience.
I have extensive experience in Ruby on Rails back-end development (Rails 2, 3, 4.1.6), Openfire, JavaScript, AngularJS, JQuery, HTML5/CSS3, Bootstrap(responsive), PostgreSQL, MongoDB, Cucumber, RSpec, Redis, Sphinx. I have familiarity with Git & Coffeescript too. I also do BDD and TDD.
Thanks!