After the software development process has been completed, the next phase of the software development process is software engineering https://mlsdev.com/blog/top-custom-software-development-companies. Software engineering is used to test the application and ensure that it is functionally efficient and meets the requirements of the client. The software engineer ensures that the application functions properly, as well as meets the expectations of the client. Software engineering is usually divided into two different groups: one group works on software development projects themselves, and the other works as a service for software engineering firms. Some software development companies may also do both tasks simultaneously.