Ask HN: Crossovers/intersections between mechanical engineering and CS?

Simulation software companies for the aerospace industries would fit the bill. I know CAE in Montreal hired both mechanical and software engineers.

Mechatronics ??? I work as Mechatronist in a way. Process engineering with software automation.

Robotics?

I was a field engineer installing robots in factories, more industrial engineering, manual labor (calibrating tools and checking for broken parts), and using software rather than designing software.

The teams that design the software i used sound like the kind of teams you want to be on, so yea, robotics...