Ah, I see. I'm asking because I've been getting more involved over the last few years. I've contributed enhancements and plenty bug-fixes to some well known projects in the scientific computing community.
Problem is.....none of these employers seem to give af, even though they emphasize wanting people with good engineering skills, who are Git ninjas, write clean code and have experience working with others and reviewing code.
Open source will get you interviews but they are still only going to care if you can pass stupid leetcode questions once you actually interview.