At some point one reaches a level of skill where most of the problems aren't technical anymore, but people interactions.
— Erin 'Folletto' Casali (@Folletto) February 24, 2017
Essentially, engineering is all about cooperation, collaboration, and empathy for both your colleagues and your customers. If someone told you that engineering was a field where you could get away with not dealing with people or feelings, then I’m very sorry to tell you that you have been lied to. Solitary work is something that only happens at the most junior levels, and even then it’s only possible because someone senior to you — most likely your manager — has been putting in long hours to build up the social structures in your group that let you focus on code.
The Second Law of Consulting: No matter how it looks at first, it’s always a people problem.
The secrets of consulting (1985) – Gerald Weinberg
Anyway writing software is hard, but unfortunately is the easier part.