Have knowledge of advanced JavaScript libraries and frameworks, such as ReactJS, NextJS, VueJS, and experience with rendering techniques and writing high performing code

Have a good understanding of SEO principles and ensuring that application will adhere to them, and server-side CSS pre-processing platforms, such as LESS and SASS

Have a good understanding and exposure to server-side rendering, and asynchronous request handling, partial page updates, and AJAX

Have a proficient understanding of code versioning tools, such as {{Git / Mercurial / SVN}}, and cross-browser compatibility issues and ways to work around them