From the degree of difficulty of the examination on the senior programmer is difficult, less people over the natural high gold content. From the focus, senior programmers focus on software programming, computer state level 4 is more miscellaneous, if you are mainly engaged in software, you should choose the senior programmer. If you have a bachelor's degree, it is best to take a software engineer, working in state-owned enterprises and institutions, you can also enjoy the relevant title treatment, computer four and programmers will not have.