I dunno, full stack developer always comes across as frontend developer who also writes some node to me.
If you're a pretty broad generalist, most likely the way to get new jobs is networking. Someone you've worked with is hiring and would be happy to work with you, and you have to find them (or they you).
What it should be is you can work at /understand all the OSI TCP/IP layer's
Layer 8 and 5 is a bonus - politics if you haven't heard the v old joke