Familiarity with React , Redux , Webpack (or eqivalant).
Mastery of standard front-end technologies like modem HTML, CSS, Javascript, Rest, and JSON.
Experience with modern unit testing frameworks (e.g Mocha, Chai)
Proficiency with both mobile and browser - based debugging Javascript perfomance testing .
An eye for UI layout and design .
Excellent communication skill both written and oral.
Experience with tracking mobile usage analytics.