FULL STACK DEVELOPER is an engineer who works on both client-side and server-side software. This type of software developer works on the Full Stack of an application meaning Front End Technology, Back End Development Languages, Database, Server, API, and version Controlling Systems. Hence, the name "Full Stack" Developer. Full stack developer translates user requirements into the overall architecture and implement the new systems. A Full-Stack Developer doesn't necessarily master all technologies. However, the professional is expected to work on the client as well as server sides and understand what is going on when developing an application. He or she should have a genuine interest in all software technologies.