When a professional works for an enterprise, she does not work alone. There are a lot of people, developers as well as other coworkers, we have to cooperate with. The older the IT department of the enterprise is, and the larger the enterprise is, the more specialized roles people are in. You will certainly meet business analysts, project managers, test engineers, build engineers, subject-matter experts, testers, architects, scrum masters, and automation engineers, to name a few roles. Some of these roles may overlap, no person may have more than one responsibility, and while in other cases, some roles could even be more specialized. Some of the roles are very technical and require less business-related knowledge; others are more business oriented.

Working together as a team with so many people and with so many different roles is not simple. The complexity of the task may be overwhelming for a novice developer and cannot be done without definite policies that...