Experienced full-stack (any front-end + Ruby on Rails) developer. Years of experience with Ruby on Rails, vanilla JavaScript and various JavaScript Frameworks (Polymer, AngularJS, basic VueJS, BackboneJS and a bit of EmberJS), web-components, modern CSS and HTML. Learnt OOP with C++. My technology stack also includes a couple of month of Swift development, some Java and C# development experience. I'm working on learning popular frameworks deeper, especially React and Vue.