Strong knowledge of JavaScript, including DOM manipulation and the JavaScript object model

Familiarity with newer specifications of EcmaScript

Thorough understanding of Reactjs and its core principles

Thorough understanding of Redux

Experience with Recompose

Strong knowledge of Nodejs

Experience with SASS

Experience with AJAX

Experience with functional programming

Experience with data structure libraries (e.g., Immutable.js)

Familiarity with RESTful APIs

Knowledge of modern authorization mechanisms, such as JSON Web Token

Familiarity with modern front-end build pipelines and tools

Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

Experience building beautiful, pixel perfect web apps from design mock to complete implementation

Experience with browser and platform interoperability (responsive vs. desktop)

Experience building embeddable web app widgets

Experience building email compatible mark-up

Experience with WebSockets or similar technology

Experience writing concise and well structured OOP code.

A can-do attitude that can hit deadlines without cutting corners or sacrificing structural integrity.