A Back-End Developer plays an important role in website development, creating Application Programming Interfaces (APIs) that serve as the technical frameworks for websites. After gaining an understanding of project goals, a Back-End Developer translates the client’s or management team’s vision into code, applications and databases that allow a website to communicate with the server and work on a user’s device. The testing, optimizing and troubleshooting duties in the job description for Back-End Developer positions improve user experience and minimize site outages. Through collaboration and communication, Back-End Developers also control costs and support project success for on-time completion.