What does a computer programmer do?

A computer programmer designs, tests, writes, debugs, and maintains the computer program code. The coding language is written for the computer to be able to comprehend it and take specific actions according to those commands. Computer programmers can work with existing code or create something entirely new. The objective of coding is to develop programs that act on specific controls and behaviors. Coders need to be able to work with specialized algorithms, logic, and app domain, as well. But the other key goal of a computer programmer is to design interfaces that regular non-technical users can easily understand and use.