back-end: I'm sticking ruby and rails code style, familiar with a main patterns and templates of the programing architecture of the object-oriented programming, also internet ecosystem and up-to-date with the new technologies of the environment of the web development, in particular rails and js like react.js. Code review for more code versatility. I've got knowledge of the flexibility architecture, good interaction of program code abstractions, without headache, cohesion and coupling and extensibility of a code logic as well. front-end: I've got basic knowlege in jQuery, javascript, react, haml, scss, bootstrap. I mean i will be thinking about it little bit more however i've got enough skills for solved any troubles and tasks. data-storage: Familiar with SQL - a triggers, joins, cursors, transactions, indexes, stored procedures, optimize. I've got experience with next technologies - postgresql, mysql, somewhat familiar with mongodb-mongoid, redis. single line: Git, ubuntu, capistrano (nginx+unicorn).