Programmer & Developer

Programmer - A programmer is a skilled person who writes or creates code for computer applications or software programs. Programmers provide specific instructions pertaining to programming. Programmers have a strong background in coding and computing across several programming languages that often include HTML, JAVA, Extensible Markup Language (XML), Structured Query language (SQL), PHP, C, and C++.

Developers - A developer more commonly known as a software developer or software coder, builds computer applications by writing, debugging, and executing the source of code in a computer application. In contrast to programmers, developers are usually specialized in a specific set of programming languages.

Types Of Computer Programmers

Application programmers: write programs for specific tasks like programs to track inventory at a factory
System programmers: Write programs to maintain computer systems software such as operating systems, database management systems and so on
AI/Machine Learning Engineers
Game programmers

Basically, a developer is a programmer but with larger scope of responsibility for other aspects of the project.