"Don’t manage only to advance your career. Many tech companies have parallel career paths to seniority for both technical and managerial high-performers." Is this really true? Many engineers do become managers only to advance their careers. The "parallel" technical career path never seems to deliver equal amounts of power, or even money, as compared to managers on the same level. Even when a rough parity exists on pa…
In my 30 years of experience, the "parallel" technical track is really only for super stars. As merely a very good developer, management pays better.
There are also more management positions. The parallel track technical positions are significantly more rare, even in the companies that have them.
There is a top to technical positions, the rest is management. You have to choose where you will be happy.