Comment by tootie

I consider side projects to be absolutely meaningless predictors of anything. A cert is a poor substitute for experience but it's a signal of someone willing to learn and grow through diligence. Side projects are usually just arbitrary in value. In the very rare case that someone has a real blockbuster side project with a lot of users I'd be concerned about how much time they'd spend on it. Getting a PR approved on a mainstream project would be impressive though.