Jane Street 2025 Intern Projects: Technical Innovations in Quantitative Trading
By
yminsky
A baker's-dozen of insight crammed into one ring.
Summary
This article is Jane Street's annual review of intern projects from 2025, highlighting the most impressive technical contributions. It features three detailed projects: faster SQL evaluation using J programming language, improved data visualization tools for trading analysis, and enhanced automated trading system infrastructure. The piece showcases the high-quality work produced by interns at the quantitative trading firm and demonstrates the company's investment in developing technical talent.
Key quotes
· 5 pulledYet again, we're at the end of our internship season, and so it's time to summarize what the interns were up to!
This year, I was recommended a real bumper crop of exciting projects to include.
It's kind of crazy how many great intern projects are out there.
As usual, I picked just three projects to go into in more detail.
We use a lot of SQL at Jane Street, both in...
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