Job Description for React.Js:1.Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model2. Thorough understanding of React.js and its core principles3. Experience with popular React.js workflows (such as Flux or Redux)4. Familiarity with newer specifications of EcmaScript5. Experience with data structure libraries 6. Familiarity with RESTful APIs7. Knowledge of modern authorization mechanisms, such as JSON Web Token8. Familiarity with modern front-end build pipelines and tools* Flux , Redux , Redux Saga and ES6 are mandatory