Skills

• Ruby

  OOP, classes: OOP principles understanding, code style importance, incapsulation princeples, inheritance, polymorphism, abstractions
  Ruby installation: rvm or rbenv usage
  Formats usage: XML, JSON, XLS, XLSX, DOC

• Ruby on Rails

  Application initial architecture: set the task correctly, create entities, write scripts and create CRUD
  MVC: application architecture basement
  Active Record: associations between models creation, perform database operations in an object-oriented fashion, migrations creating, validations writing
  Main gems: Devise, Cancancan, Pandit, OmniAuth, Ransack, CarrierWave, Rmagick, fog-aws, StateMachines, Recaptcha, write_xlsx
  Rake tasks with cron

• Testing

  RSpec: TDD, BDD, create tests for the whole main code if possible. Unit testing, Integration testing. Used FactoryBot gem. Capybara for integration tests

• DB

  SQLite, MySQL, PostgreSQL, Redis usage. Queries with SQL, PL/pgSQL, Active Record query interface

• Deploy

  Linux safety initial setup (ufw/iptables + fail2ban, ssh, etc)
  Nginx + Phusion Passenger + PostgreSQL setup
  Rails application deploy with Capistrano
  Heroku: application deploy

• Technologies

  Git, Github
  Ubuntu (Linux Mint), Linux Astra
  RubyMine, SublimeText
  Docker (run/stop containers, Dockerfile and docker-compose.yml minimal editing)
  AWS S3 (beginner level)
  Telegram bots creation

• Frontend

  HTML, CSS, Bootstrap4/5, Slim, JS, jQuery, ExtJS
• • English: Intermediate