Software engineering is a branch of computer science which includes the development and building of computer systems software and applications software. Computer systems software is composed of programs that include computing utilities and operations systems.Software engineering is the systematic application of engineering approaches to the development of software. Software engineering is a branch of computing science. Software engineering is not a difficult career at all. The course requires lots of work and input from the students but that does not qualify it to be considered a difficult course to do in any way.Only then will you be in a good position to start your career in software engineering.