Ruby Software Developer Active Record JSON RUBY on Rails - Contract

Experience
At least three years Ruby on Rails development experience.
At least 2.1 in Computer Science (or 2.2 with a MSC in computer related masters considered).
Solid understanding of Design Behavioral Patterns/proven track record in actual application of patterns.
Excellent understanding of OOAD and Service Orientated Architecture.
Solid understanding of service coupling, dependency and security.
Strong technical design experience of Restful services API design
Awareness of caching
Awareness of iOS and Apple eco-system.
Iterative development methodology
Reporting Line
Technical Architect
Technical Skills
Ruby Version Manager
Unicorn
Rails 3.2.x
Active Record (ORM)
ERB Template System
Active Support library
Web Server
Nginx
Knowledge of Apache 2.2 although not default for this initiative.
Databases
MySQL 5.1
Redis 2.4
Operating System
Gentoo
Knowledge of Ubuntu helpful
Mac OS X
Search
Awareness of SOLR
Caching
Varnish 3.0
Knowledge of memcache.
Continuous Integration Server
Knowledge of Jenkins server
Deployment tool
Capistrano 2
Message Queuing Offline processing
Awareness of Resque
File exchange
JSON
Code repository/Version Control
GIT - experience of git flow would be advantageous