Andriy Stefak

 Stefak Andriy- Information I'm a web developer with more than 6 years of experience. Have strong knowledge and experience of the development process from prototyping to deployment on the production.  During my career, I worked on different types of projects from small websites, features, modules to complex systems. I work with such technologies as Ruby/Ruby on Rails, HTML, CSS, JavaScript/CoffeeScript, MariaDB/MySQL, Redis, RSpec, Cucumber, Capybara, Capistrano, Sidekiq, Nginx, Unicorn/Puma, Git. I'm organized and responsible and am always trying to find the best solution for the business, have strong problem solving and management skills Skills Programming languages and technologies Ruby/Python/PHP JavaScript/CoffeeScript HTML5/CSS3/SCSS RVM(Ruby version manager) Git SOLID RESTfull Databases MySQL(MariaDB) MongoDB Redis Search engines ElasticSearch Frameworks/libraries Ruby on Rails Yii Bootstrap3/4 jQuery AngularJS/ReactJS Applications/Web servers Nginx Unicorn/Puma Amazon Web Services(S3, C2) Sidekiq Testing tools RSpec Capybara Cucumber Deployment tools Capistrano OS Ubuntu/CentOS Methodologies Agile/SCRUM BDD/TDD Project management tools Jira Trello Hubstaff Education Vasyl Stefanyk Precarpathian National University Computer Engineering (2006 – 2011) Projects Ads platform Project description A platform for booking promotional places and advertising that helps users to choose the best place and format for an advertisement. Duration: 10 months Role: Senior Developer Responsibilities: Database design for new features. New features implementation: Book a promotional place, notifications, create an advertisement, advertisement campaign management. Refactoring/optimization Technologies: Ruby/Rails, Python, MySQL, HTML5, CSS, Bootstrap, JavaScript, CoffeeScript, Git, Sidekiq, Redis, RSpec, Capybara, Facebook Ad API, PayPal API. Job searching platform Project description A platform for searching jobs and performers. Duration: 7 months Role: Developer Responsibilities: Development new features Refactoring/optimization Technologies: Ruby/Rails, MySQL, HTML5, CSS, Bootstrap, JavaScript, CoffeeScript, Git, Jira, Sidekiq, Redis, RSpec, Capybara, Google API, Facebook API, PayPal API, WebSockets, ActionCable, AngularJS Hotel booking app Description Hober is a food, drink and entertainment information app belonging to Hong Kong. In addition to bringing you all kinds of food and entertainment discounts, it also brings you a new hotel reservation service, so that everyone can flexibly book hotels, and the time is as short as 2 hours. Duration: 16 months Role: Senior developer/Team leader(hotel booking department) Responsibilities: Creating database and application architecture for searching and booking hotels Development of main features: Hotels management (CRUD, available time, prices, manage bookings) Searching and booking hotels, payment, notifications. Mobile application API development. Team management Code review Technologies: Ruby on Rails/Ruby, MySQL, Redis, HTML, CSS, Bootstrap3, jQuery, CoffeeScript, Sidekiq, Google maps API, PayPal/Braintree API, RSpec, Cucumber, WebSockets/Action Cable, Capistrano, Git, Hubstaff, AWS, CentOS Hotel booking platform Description A platform for hourly hotel booking. Allows users to find the best hotels in a few clicks and manage their bookings. Duration: 14 months. Role: Developer/Manager Responsibilities: Creating database and application architecture Functionality development: Admin panel - hotels management, flexible booking settings management(time/price), reports. Main site functionalities – searching, booking hotels, payment, notifications. Technologies: Ruby on Rails/Ruby, MySQL, Redis, HTML, CSS, Bootstrap3, jQuery, CoffeeScript, Sidekiq, Google maps API, PayPal API, WebSockets/Action Cable, Geolocation API, Geokit, Fixer API, Capistrano, RSpec, Capybara