QuantCo is a machine-learning company founded seven years ago by four Harvard & Stanford PhDs. We have since grown to eleven offices in the US, UK, Germany, and Switzerland. Our team of over two hundred people creates tangible economic impact by combining data science, deep learning, and medical expertise with business acumen.

We currently focus on the domains of algorithmic pricing, cancer detection, patient risk prediction, fraud detection, and demand forecasting. Our customers include some of the largest financial, retail, industrial, and healthcare companies in Europe and the US.

We are excited about writing mission-critical code that reaches millions of people and impacts billions of dollars. If you feel the same way, we look forward to hearing from you!

Website: https://www.quantco.com/
Application Portal: https://jobs.lever.co/quantco-

Jane Street is a quantitative trading firm with offices worldwide. We hire smart, humble people who love to solve problems, build systems, and test theories. You’ll learn something new every day in our office—whether it’s connecting with a colleague to share perspectives, or participating in a talk, class, or game night. Our success is driven by our people and we never stop improving.

Find out more about our open roles and apply here . Like puzzles? So do we! Every month or two, we’ll post a new puzzle to this page. If you think you’ve solved a puzzle, submit your solution!

Pinely is a dynamic algorithmic trading firm, privately owned & funded, with a presence in Singapore, the Netherlands, and Cyprus. We specialize in high-frequency and ultra-low latency trading, striving to be among the top trading companies worldwide.

Our team tackles everyday challenges like developing trading strategies, optimizing systems for minimal latency, saving and processing large volumes of historical data. Our flat structure and collaborative environment make everyone feel heard and cultivate a culture fueled by ideas and a love for innovation.

We are a team of mathematicians, programmers, engineers, and computer scientists, united by a passion for knowledge. Our work demands exceptional C++ coding, algorithmic thinking, and mathematical intuition, attracting top talent, including winners and awardees of such respective challenges as ICPC, IMC, HITB PRO CTF, Google HashCode, etc.

Learn more about us on our website.

To join our team, please send your CV to hr@pinely.com.

Wincent is a high-frequency trading (HFT) company that has been active in the crypto market since 2017. With advanced algorithms operating across 13 exchanges and trading approximately 70 cryptocurrencies, Wincent is a global leader in market making. The company values a competitive mindset and fosters a culture of innovation, driving success in the fast-paced world of trading.