"Hudson River Trading (HRT) is where cutting-edge technology meets world-class trading.

Founded in 2002 by computer scientists and mathematicians who believed that math and technology would transform financial markets, today we have built one of the world’s foremost computing environments for research and development where global experts across disciplines work together to solve the most complex problems in trading.

Our mission is simple: hire the brightest minds, empower them with the tools and freedom to excel, and create an environment where they can do their best work together. Whether your expertise lies in math, computer science, physics, or beyond, we welcome deep thinkers from a range of backgrounds. If you’re interested in building the future of trading, we’d love to hear from you — check out our open roles or learn more about us on our website."

"Citadel is a multi-strategy alternative investment manager. For more than three decades, we’ve captured undiscovered market opportunities by empowering extraordinary people to pursue their best and boldest ideas. Each day at Citadel, we reimagine and refine our strategies, models and technology in pursuit of superior long-term performance."