Job Description: 2+ years' experience working with a Javascript framework, React JS In-depth understanding of Javascript, the DOM, and relevant concepts Good Knowledge of Node / NPM and possibly yarn. Experience with popular React.js workflows (such as Flux or Redux) Proficiency with browser based debugging and performance testing Understanding of progressive web apps Experience with a unit testing framework Experience using Git Responsibility : Develop new components and features for our frontend app(s) Profile and improve our frontend performance. Building reusable components and front-end libraries for future use Optimizing components for maximum performance across a vast array of web-capable devices and browsers Develop a flexible and well-structured front