Software engineering is different because only the best people significantly contribute to achievement. Traditional management texts assume a distribution of talent among the workers. Each worker is contributing something useful and the challenge is to get each one to perform at his or her maximum potential. In the same factory, the best worker may produce two or three times as much as the average, but all the workers are contributing. In software engineering a good programmer is at least 10 times more productive than an average programmer (Brooks 1995). If a product is being developed rapidly, the average programmers will consume nearly their entire work day just in reading and understanding the new code generated by the good programmers. Thus the challenges of a software engineering manager first and foremost are (1) creating a work environment where good programmers will be satisfied enough to stay, and (2) creating a system via which average programmers can become good. In an ideal software engineering organization, there are still some average-quality people but these should be viewed as being apprenticed to the best people and being taught as fast as possible.
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