When I’m looking for potential students, I always try to identify T-shaped people: those who can go deep into one topic, but also have a broad view of other aspects of Software Engineering. But what Bastien Rieck says is completely true.
In any case, many graduate schools and resume reviewers tend to ignore the breadth of a person’s skills, focusing instead only on the depth.
T-Shaped People and Academia, by Bastien Rieck
T-shaped people not only help in several aspects of the development of a project, but also identify bridges with other areas, and allow your work to be applied to other problems.