Definition
Professional pride is the willingness to put your name on your work, literally or figuratively, and to mean it. It is the internal standard that makes a developer unwilling to ship something they know is shoddy, even when no one is watching and the deadline is close.
It is not arrogance or perfectionism. It is the quiet conviction that the work reflects the person who made it, and that this is reason enough to do it well.
Why it matters
How it works
Professional pride expresses itself in small, repeated choices: writing the test, fixing the broken window, leaving the code clearer than you found it. The pragmatic version of pride is calibrated. It cares about quality but knows that good enough, shipped, often serves users better than perfect, delayed.
The discipline is to take ownership without taking it personally. Critique of the work is welcomed as a way to improve it, not resisted as an attack on the author. Pride and humility, in this framing, are partners rather than opposites.