SIG is a global quantitative trading firm founded with an entrepreneurial mindset and rigorous analytical approach to decision making. SIG also values gaming, poker especially, as a way to teach analytical skills used in trading - check out the Gamer Blog!

Jane Street is a quantitative trading firm that uses innovative technology, a scientific approach and a deep understanding of markets to guide our business. The markets change rapidly, and we need to change faster still. Every day, we come to work with new problems to solve, new systems to build and new theories to test. We’re always looking for people to join us and help come up with that next great idea

We empower exceptional talents in Mathematics, Physics, and Computer Science to seek scientific boundaries, push through them, and apply cutting-edge research to global financial markets.