Software Engineers who are intimately tied into every area of our business. We are big believers in functional programming, using OCaml, a statically-typed functional programming language, as our primary development language. We also believe in the value of open source software, using it in our daily work and releasing hundreds of thousands of lines of our own code as open source.
Jane Street is a quantitative trading firm that cares a lot about technology, building elegant solutions that scale well and ensuring everybody has the resources needed to do their jobs well.
