I have 5 years of experience with Ruby on Rails and React. My toolbox includes the following skills: Ruby on Rails 4/5/6, React, Ember.js, HTML, HAML, CSS, SASS, Bootstrap, Javascript, jQuery, Postgresql, MySQL, SQLite, Git, GitHub, Heroku, AWS EC2, Lightsail, S3 Sidekiq, CircleCI, Rubocop, Codacy, Stripe, Alipay, WeChat Pay, Unix shell, Vim, macOS, Ubuntu, Jira, PivotalTracker, ClubHouse, Trello