A software developer is concerned about the behavior of the software development process, including research, design, programming and testing of computer software.
According to the developer Eric Sink, the difference between the system design, software development and software is definitely more. And in today’s market you can find an exception among programmers and developers who implement it as wrong and design class structure or leadership. However, most developers have systems architects, who design multi-leveled architecture or a large part of the interactive software system.
In a large company, he may have employees who are the primary responsibility of only one of the earlier phases. In a small development environment, some people or even one person can handle the entire process.