• Developed the business model and the business logic for the application. • Created a REST API for our concession partners in order to let them get the catalogs, the stock, prices, and to place orders directly from their sites using Rails framework. • Optimized current applications and add new features utilizing various technologies including PostgreSQL, Redis, Puma, Solr, Phusion, Unicorn, Nginx, AngularJS, Sidekiq, Devise, CanCanCan, OmniAuth, Kaminari, Rspec, Capybara, and other Rails specific gems. • Contributed to the front-end implementation using AngularJS. • Developed custom AngularJS services and corresponding tests. • Implemented an integration with Stripe for card payment processing. • Used Jasmine and Karma for TDD. • Technologies used: Ruby on Rails, AngularJS, Integration of Third party APIs, HTML5, CSS3, PostgreSQL, Devise, CanCanCan, Sidekiq, RSpec, Capybara, Cucumber, Jasmine, Karma.