Earlier quoted context omitted.
On the hiring side, it’s rare to see someone come through with significant OSS contributions. A small bug fix here or there is about the most I see from 90% of resumes. Every once in a while we see someone with a lot of open source contributions, or even full leadership of a popular project. These people would really prefer if we believed that OSS contributions and GitHub profiles replaced resumes or CVs, because it’…
Taking that a step further, we often actively discourage looking at OSS contributions during resume review for the same reason we don't offer take home interview assignments: it's biased against people who don't have a whole lot of extra time at home. When we have done either of the above, the singles who work part time have a bunch of time to perfect their work suddenly have a lot to show over the single parents who…
It's a fairly clear signal of skill quality and attitude.
Reading open source commits/PRs and issue trackers tells you quite a lot about a developer which you can't see without some sort of a test (often not even then).
>it's biased against people who don't have the time
Surely any career that requires a high level of skill and practice honing that skill is biased against people who don't have the time?
What's special about open source?