As important as having a good CV is, having a place showing the work you are doing, or you have done will go a long way.
With this article, you should be able to follow along and make your very first contributions to open-source.
Delve into the world of PostgreSQL data types, exploring the different options of data types and when to use them.
Since I've been maintaining the Codú platforms codebase, I often have to checkout PRs locally, and I know it confused me when I started, so hope this helps!
Believe in yourself and keep coding!