But do companies care about that stuff? Nowadays, it seems everyone is just interested in your ability to solve leetcode problems on a whiteboard, plus some system design. After that, just make sure you're not an asshole, and voila, you're in.
I've long been in finance tech (i-banks, hedge funds) and still am in the industry (though trying desperately to get out). At the start of my career, I made some effort to learn the business domain. After a while, it became apparent that very few people (including hiring managers) cared, and that it was a total waste of time as far as furthering my career - even if I wanted to stay in finance tech. Better to just study leetcode.