Want to work with interesting people, In a competitive environment, Where amazing things happen! Hard worker with passion for technology and not only, well organized and self-motivated. Specialties: Object Oriented Programming/Design, Ruby, Ruby on Rails, Sinatra, TDD, BDD, Java, Git

Software Development Engineer II @ From July 2014 to Present (1 year 6 months) London, United KingdomSenior Software Development Engineer - Ruby @ Providing tools and services for dominating UK's small businesses insurance. Main technologies and tools: Ruby, Rails, Rabbitmq, Vagrant, Puppet, Capistrano, AWS, Internal Gems, APIs, Our own DSL, Sidekiq, MongoDB, PostgreSQL, Redis, Github, Semaphore, Airbrake, New Relic... From August 2013 to July 2014 (1 year) Software Development Engineer - Ruby @ Size of the platform 20m members and 11K partner sites. Working in numerous projects and issues, writing specs(unit & integration), writing documentation for those fixes/apps and dealing with third party API's. Main Technologies: RabbitMQ, Memcached, Redis, Rails, Sinara, Mysql ,Sequel, NodeJS, Sphinx, internal gems. From May 2013 to July 2013 (3 months) London, United KingdomDeveloper in Test @ I am member of the test-automation team and our main purpose is to implement and automate all the regression suite. Using ruby/capybara/cucumber we are making automate scripts for every case that the regression sector covers. This minimize the manual test time. Also once a week we teaching testers and not only ruby, programming, and automation in general. Finally i have build test tools for speeding up some tasks for the IT department. From August 2012 to May 2013 (10 months) London, United KingdomCore Web Developer @ I have the honor to be the first core full time developer of the incrediblue.com. We are using Ruby as a main language and Rails as a web framework. Incrediblue connect boat owners and visitors from all around the world into one platform. Other technologies that we using are: JQuery, Heroku deployment, git, cucumber, factories, haml, coffeescript, postgresSQL, mySql... From November 2011 to May 2013 (1 year 7 months) Quality Assurance Developer @ I was part of the Test Automation Team, working with java and building a webdriver for supporting multiple ios devices for testing multiple ios mobile test automatically. Major sector of my work was the logging implementation for the whole system. Some of the technologies that i used during my intern was: Play 2.0 framework, Java, Maven, MySql, git From May 2012 to August 2012 (4 months) London, United KingdomTeaching Assistant @ Give an assistance to my Professor,who tried to pass her knowledge and ideas to 30-40 undergraduate students .Trying to answer questions from students and help them with some java coding issues. From February 2011 to June 2011 (5 months) Open Source developer in Open Calc Project @ I was part of a group of 9 people from around the globe, developing a web calculator using java as a main language. I was responsible for making the GUI more efficient to interact with all the different equations and calculations. From January 2010 to March 2011 (1 year 3 months)

Bachelor/Master, Computer Science, 7.51/10.0 GPA: 3.0 @ Magnesia Institute of Technologies From 2006 to 2011 19.2/20.0, General Studies @ High School, Florina Greece From 2003 to 2006 John Tzikas is skilled in: Ruby on Rails, Git, Ruby, Cucumber, Capybara, RSpec, BDD, TDD, JUnit, Sinatra, Java, C, C++, Python, Algorithms