Position: Ruby Developer
Category: Ruby
English level: upper
Years of experience: 7

Silver Ruby Assoc Certification 2016
7 years of experience ≠ senior.
I'm NOT A SENIOR DEVELOPER. 

Current stack: 
Rails, Capybara, RSpec, PostgreSQL, Rubocop,  RabbitMQ, Redis, Jenkins,  Docker,  Git/Github, HTML5, React, sass/less, PostCSS, Gulp, mobile-first, accessibility, Bootstrap, Knockout. jQuery

Legacy stack:
angular 1.x, php, kohana, zend, SVN,  Sinatra,  jRuby,  Perforce,

“I’ve tried it once” stack:
Objective-C, C, CofeeScript, 
Elixir/Phoenix, webpack, Heroku, Mercurial,  
Cucumber, Gemfury, CouchDB, MongoDB,
Would be awesome to try some Crystal, Elixir.

Lviv or remote only. Not Kyiv. And not Kyiv. Especially not Kyiv. Anything except Kyiv :)