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.