Position: Senior Ruby on Rails/Javascript developer
Category: Ruby
English level: intermediate
Years of experience: 5

2 years of API/SPA development experience. 
One of the Ember Club organizers. 
Worked as team lead for North-American startups.
Building product from ground up to production release.
Solid experience in both enterprise and startup worlds with the ability to grasp hard problems at a glance and decompose them into small, manageable chunks to solve in most time and cost efficient way.

Used to work with RBS, Cargo tracking and ticket booking systems. 
Wast SPA / API development experience.
Acted as a team lead.

Have minor experience with Elixir/Phoenix framework.
It will be good to work with Big Data/Machine Learning in  cryptocurrencies field with agile &  goal-oriented process.