The Back end developer job is to understand the goals of the website and come up with effective solutionsStoring data and also ensuring that it is displayed to that user who are supposed to have access to itResponsible for developing Payment processing system like accepting data, securely storing that info, and making charges to that paymentManage APIs resources which work across devicesHe or she might be involved in the architecture of a system and Data science analyses.Developers are responsible to organize the logic of the system which runs across various devicesBack end developer also needs to involved in building frameworks or the architecture to make it easier to program against.Back End web developer should have the skills for implementing algorithms and solving system related problems.