This isn't really accurate of Jane Street. As the other commenter mentioned, it's not a hedge fund. Secondly, engineering culture at JS is typically the opposite of what you described. A lot of time is spent to make sure all code written is quality, things move slower than a company like Facebook for sure.
> Best in class engineering and internet scale problems? Nope
This is mostly true apart from a few specific teams and projects. I think most passionate engineers would find the work uninspiring.
> Best in class engineering and internet scale problems? Nope
This is mostly true apart from a few specific teams and projects. I think most passionate engineers would find the work uninspiring.