Most recently I saw contract job posting for Enigma. Also a great way to get involved in through smaller communities. A great one that is active and you can actually have a conversation with talented individuals is through the Blockchain at Berkeley Slack. Go to their main page and scroll to the bottom where you can enter your email to sign up. They have job postings a lot and a great community to learn and ask questions. https://blockchain.berkeley.edu/

Also check this out if you get a chance: https://blockchainatberkeley.blog/finding-work-in-the-blockchain-space-94d41db4c2d