Go to website like https://hackaday.com and there will be plenty of projects like those. (Although this one is more complex than usual, so you might have to lookover a few months' worth of history to find something on that level)
Levels.fyi slants towards the higher end of pay and they say $192k, which is $65.4k in 1987 or right at the bottom of the top quintile.
Part of what changed is that software abstracted enough for hardware and software to become separate fields, so a much smaller portion of software folks are able to wire together batteries and motors and what not to go with their software.
This is a pretty cool approach. If they can improve the visual presentation it can also look pretty awesome. Gives me some inspiration for drawing scifi designs too.
Thanks.