Thorough understanding of React Native and its core principles- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model Experience in React Js, Javascript, Ruby on Rails (preferred)- Experience with popular React workflows (such as Flux or Redux) Familiarity with newer specifications of ECMAScript (ES6 & ES5 )- Knowledge of isomorphic React is a plus Familiarity with RESTful APIs- Experience with relational databases (PostgreSQL preferred) Working knowledge …