The skills change depending on the job demands as backend development takes care of different aspects and parts. However, apart from the languages mentioned, there are other skills every backend expert needs to have: * Deep understanding of deploying or hosting. * Knowledge of version control (Git and GitHub). * In-depth understanding of accessibility and security compliances. * Ability to manage a hosting environment along with database administration. * Understanding of scaling applications to handle the load changes that is a large amount of data traffic.  * Knowledge of front-end technologies (HTML, CSS, and JavaScript)  * In-depth understanding of algorithms and data structures.