It is a server side development of web applications.Back end development involves database,logic and other operations behind the scenes.It is simply the backbone of your applications.Developers handle databases such as MySQL or MongoDB to store and retrieve data efficiently.It function as a process that send and receive information to coordinate the front end and display data.A backend development course teaches problem solving and logical thinking.So basically, it execute on user computer contrasting that back end developer who typically creating code that execute on web server.