CS Master; Good knowledge of architectural patterns; proficient with low-level Javascript and some frameworks; Experience as UX interaction designer.
Languages:
Javascript (prototype, inheritance, es6 / 7), Ruby (iterators, classes and modules, closures)
Frameworks:
Rails, Angular, Backbone, React
Patterns:
MVC, MVVM, FLUX, Pub-sub
Testing:
TDD with Rspec, Jasmine
Previously:
PHP, C++, SQL, jQuery UI, ...