Jane Street is a global quantitative trading firm founded in 2000 that provides liquidity and manages risk across financial markets. Operating from five offices worldwide, the firm trades on more than 200 venues across 45 countries, employing over 3,000 people. The company was established by four founders - traders from Susquehanna and an IBM developer - who began in a small New York office.
The firm's operations rest on mathematical expertise and cutting-edge technology. Its work spans quantitative finance, functional programming, machine learning, algorithmic trading, and programmable hardware. Traders, researchers, and engineers work in close collaboration to identify and act on market opportunities.
Jane Street's culture emphasises deep mathematical fluency combined with technological innovation. The company has maintained a collaborative approach to problem-solving from its founding, with continuous development in functional programming, machine learning, and custom hardware. This combination of rigorous quantitative thinking and engineering capability allows the firm to manage risks that others overlook and to provide liquidity during periods when markets require it most.
