Basic knowledge about Backend development. You should know what is a Rest API and a Database ;)
See how much you can achieve with an opinionated framework like NestJS that lets you focus on solving your actual business problems instead of discussing project file structure.
Robin Böhm is Trainer, Author and Mentor focused on modern web technologies like Angular, React and NestJS. His passion is to teach people and build communities for developers. He founded Angular.DE, wrote several books about Angular and organizes the NG-DE Conference. At his company Workshops.DE, he is working together with a team of 26 professional trainers and embraces the remote-first approach.