Must have skills: Proficient understanding of Web Fundamentals - HTML5, CSS3, JavaScript Basic understanding of CSS pre-processing platforms in JS Proficient understanding of at least one of the UI frameworks viz React, Angular 4+, Vue, Polymer etc Good understanding of ES6 and above Experience with Typescript is a plus Understanding of web bundling tools like Webpack, ParcelJS, Rollup. Sound knowledge of design patterns and practices for writing clean, linted, maintainable and reusable code. Proficient understanding of cross-browser compatibility issues and ways to work around them. Understanding of Version Control Systems like Git Experience in using supplementary libraries like Redux, Redux Saga, Emotion, Lerna etc is a plus. Experience in TDD (Test Driven Development) for Unit Testing with libraries like Jasmine, Mocha, Simon, Karma etc.