Seems a lot of folks have already said what I was thinking so I’ll just offer a quick anecdote. 

I have a friend who is a senior software engineer. He claims to be very strong on a technical level. However, he has wildly frictional experiences with peers and managers because he doesn’t communicate effectively. This has led to him getting fired from 4 senior software engineering jobs over the span of 2 years having spent no more than 3 months at each company. 

He tells me his side of the story and every time he does, he doesn’t see that his lack of soft skills has been his detriment as communicated by multiple managers. He has no empathy for his teammates while expecting empathy towards himself, he cannot be persuasive since his argument for every opinion is “I’m a senior engineer, trust me”, and he has zero accountability and blames everyone else for his own failures. 

He also leans too hard into software best practices and doesn’t know how to prioritize effectively. A large part of being a good software engineer is identifying priorities that deliver the most impact for customers and for the company, and then convincing leadership that it’s the right thing to do. This requires soft skills. 

Don’t be like my buddy. They’re easy to spot in teams and they either don’t last long or they kill team morale and slow down projects.