- Open source projects (the more GitHub stars, the better).
- Tech blog (the more followers, the better).
What other professions do this? Do accountants need to do pro-bono work in their spare time to be hireable? Do lawyers just sue people for fun and blog about it?
Most photographers and other artists probably have a portfolio of some sort. The point of open source here is just that it makes it easy to see what your code looks like (e.g. you can show off parts of a tool/product that you are selling, and use a license that makes it practically useless to competing businesses).
What other professions do this? Do accountants need to do pro-bono work in their spare time to be hireable? Do lawyers just sue people for fun and blog about it?