[AlotOfReading]

Positions do all of the above exist. Just depends on the company and where in the stack you are. There's a lot of math and domain expertise on the controls and sensors sides. Most people in any particular company aren't doing those though. There are lots of jobs available for c/c++/Matlab/Python/js.

If you don't want to change what you're doing or using, most modern robotic platforms have a web interface somewhere in them for monitoring the fleet. Any web developer would find their skills perfectly compatible.