Bachelor's degree in engineering.
Master's degree in ecomics.
2 years of Rails, 3 years of web development, and more with common programming experience.
Me at Russian Ruby\Rails community: https://toster.ru/user/victorvsk (Ruby: https://toster.ru/tag/ruby/info , Rails: https://toster.ru/tag/ruby%20on%20rails/questions)
more on Github and Stackoverflow.