Generally the more legacy/boomer an organization is,the more it requires higher ed. So the peace corps is out of the question, but americorps has some openings you'd qualify for. The lack of obligations and youth look very military... impossible to tell if the military would work for you; consider all the branches including the coast guard. Habitat for Humanity is a surprisingly efficient way to meet skilled trades workers, if you've never done the work before maybe you have an unknown skill for plumbing or electrician work; the pay can be better than programming, much more opportunity to move up in the field or start a company, and there's not as much ageism or weird political requirements as programming.