I don't work at gitlab but one great avenue is working on large open source rails apps. And gitlab is actually open source. Try to get it up and running and t

I don't work at gitlab but one great avenue is working on large open source rails apps. And gitlab is actually open source. Try to get it up and running and tackle an issue they have. https://gitlab.com/gitlab-org/gitlab-ce/issues https://gitlab.com/gitlab-org/gitlab-ce/issues also some other rails apps to look at: discourse https://github.com/discourse/discourse https://github.com/discourse/discourse dev.to https://github.com/thepracticaldev/dev.to https://github.com/thepracticaldev/dev.to just recently mentioned in another thread consul https://github.com/consul/consul https://github.com/consul/consul Or search for large open source rails apps.