Also yes you can create pretty damn robust apps in React and Node, fwiw.
I wouldn't be shocked if most of the people well versed in non-mainstream tech don't bother advertising themselves as being such.
I also included my linkedin and have received a few connection requests, but no messages from any of them.
"Ask HN: Has anyone ever got contacted from the “Who Wants to be Hired?” posts?" https://news.ycombinator.com/item?id=22468924
"Ask HN: Has anyone ever been hired from “Who wants to be hired?” threads?" https://news.ycombinator.com/item?id=20330818
Most of those responses occurred in January just weeks before Covid changes and job losses. I talked with several employers. Instead of accepting a new job I chose to instead investigate employment options with the military which likely proved to be a more stable consideration.