You have:
 More than 3 years of practical experience with web standards: HTML, CSS, JS, and React
 Understanding of web technologies and W3C standards, as well as of programming concepts and web architecture
 Familiarity with RESTful APIs
 Familiarity with newer specifications of EcmaScript
 Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object
model
 Experience with popular React.js workflows (such as Flux or Redux, Mobx)
 Ability to understand business requirements and translate them into technical requirements
You might also have:
 UX and UI understanding and use of best practices
 Knowledge of Design patterns and data structures
Responsibilities:
 Developing new user-facing features using React.js
 Building reusable components and front-end libraries for future use
 Translating designs and wireframes into high quality code
 Optimizing components for maximum performance across a vast array of web-capable devices and browsers
 Write, audit, and improve our test coverage
 Document and refactor our frontend codebase Profile and improve our frontend performance