1998 onward in IT field and from 2009 onward in web development as a fully dedicated Ruby On Rails developer.
Front end development with Bootstrap,jQuery, jQuery Mobile and AngularJS
BDD/TDD with RSpec,Cucumber, jasmine,capybara and selenium
Source Code Management using Git and GitHub
Authentication using Devise,omniauth and Authorization using CanCan
Data storage using MySQL, PostgreSQL, MongoDB and Amazon S3
Deployment Management using Heroku,Passenger and capistrano
eCommerce using spree, PayPal payment Gateway