Maybe start by attending user groups or meet-ups on the tech you're interested in. That might lead to some potential freelancing gigs or even just some open sou

Maybe start by attending user groups or meet-ups on the tech you're interested in. That might lead to some potential freelancing gigs or even just some open source work in that field. But, in general, I think many, many companies are willing to hire 30-somethings with experience. Perhaps seed-funded startups aim for cheap low end labor, but enterprises and well-funded startups consistently value experience over skills with a specific stack or language.