x42 Protocol has been offering several coding bounties on their github respositories.

Look for the green tag 'bounty' and read the details provided on each issue or feature request.

https://github.com/x42protocol/xCore/issues

and

https://github.com/x42protocol/xServer/issues


This is a great way to test your skills as a coder and get some payment in return.
We hope to see you there!