noc.social is a small but quick server. Don’t use Android so I can’t speak to that.
And I will say that I’ve got much better engagement on Mastodon than I ever did Twitter. The people overall are kinder and more thoughtful. It’s more likely that the disrupters just aren’t there yet. Almost everyone I had followed on Twitter is on Mastodon though. May not be the same for everyone.
As a hiring manager I look for a few things:
Skills are waaaaay down on the list. I can take avg technical proficiency and make you a lot more successful than someone with a lot of proficiency but lacks other emotional skills.