everything you need in back-end including APIs, DataBase, server, or the main code in javascript, typescript, php, python and ... and my main language is typeScript and i use nodejs and nestjs mainly and work with graphql and rest API
everything you need in back-end including APIs, DataBase, server, or the main code in javascript, typescript, php, python and ... and my main language is typeScript and i use nodejs and nestjs mainly and work with graphql and rest API