Need 5 ROR Developer on contract basis ( agencies)

Experience with Ruby on Rails, along with other common libraries such as RSpec and Resque
Good understanding of the syntax of Ruby and its nuances
Solid understanding of object-oriented programming
Good understanding of server-side templating languages {{such as Liquid, Slim, etc depending on your technology stack}}
Good understanding of server-side CSS preprocessors {{such as Sass, based on project requirements}}
Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
Familiarity with concepts of MVC, Mocking, ORM, and RESTful
A knack for writing clean, readable Ruby code
Ability to integrate multiple data sources and databases into one system
Understanding of fundamental design principles behind a scalable application
Able to create database schemas that represent and support business processes
Able to implement automated testing platforms and unit tests
Proficient understanding of code versioning tools {{e.g. Git, Mercurial or SVN}}
Familiarity with development aiding tools {{such as Bower, Bundler, Rake, etc}}