As a React developer, you work in a comprehensive JavaScript library known as React. Your responsibilities are to design, develop, and implement this front-end technology for businesses. Your software includes user-facing features that consist of reusable components for future use. Other duties include testing software for functionality issues, translating designs into code, and optimizing components for optimum performance. Part of your job is utilizing workflows such as Flux and Redux to complete tasks. You also coordinate with teams to ensure each layer of the infrastructure works together.