Jane Street interns get paid very well. It's one of the few companies that probably actually compensate interns at the level of their output. These seem like cool projects. Good for the interns.
Fun fact: Jane Street interns get paid $96 / hr. They're one of the top paying internships! <a href="https://www.levels.fyi/internships/" rel="nofollow">https://www.levels.fyi/internships/</a>