There are a few good resources, websites, repositories that gathers projects with good first bugs for new contributors.
Some of the resources are linked in this post:
Some of the venues for hunting bugs are:
- <add a venue>
It would be good to explore some of these resources and submit a pull request on behalf of Wikimedia to get added to their list.
(If you would like to brainstorm on this topic, or work on some of these ideas, come and talk to me!)