Languages
HTML5, Ruby, JavaScript, CSS, Scala, PHP, Elixir, Go
Frameworks
Ruby on Rails (RoR), Sinatra, Bootstrap, Hanami, AngularJS, Capybara, minitest
Libraries/APIs
Vue, React, Sidekiq, VK API, jQuery, ProsperWorks CRM API, Salesforce API, Instagram API, Twitter API, Facebook API
Tools
rbenv, RVM, NGINX, Git, RSpec, Vim Text Editor, PostCSS, Ansible, Apache, Mocha, Adobe Photoshop
Paradigms
Test-driven Development (TDD), Behavior-driven Development (BDD)
Storage
PostgreSQL, AWS S3, MySQL, MongoDB
Other
Puma, Chrome Extensions, Dry-rb, iTerm2, Deep Learning