+1 on join an existing project. There are lots of immature projects in the space, the most urgent need for developers is to to level up what's already out there.
Totally unrelated, Coracle has lots of "help wanted" issues on the repository, and I'm zapping big for PRs: https://github.com/coracle-social/coracle/issues?q=is%3Aopen+is%3Aissue+label%3A%22help+wanted%22