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Advent of FPGA — A Jane Street Challenge

Advent of Code has long been a favorite Decemberritual at Jane Street, with many participating in the month-long puzzle challenge thatencourages thoughtful e...

24 Nov 2025

Jane Street Tech Blog

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Introducing Jane Street's OxCaml Branch!

An overview of Jane Street's OxCaml branch introducing new extensions to OCaml, and how Tarides is supporting the project.

09 Jul 2025

Tarides

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Introducing OxCaml

At Jane Street, we’ve been actively making improvements to OCaml for a long time. Over thelast few years, we’ve started to build some fairly ambitious extens...

14 Jun 2025

Jane Street Tech Blog

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How we accidentally built a better build system for OCaml

A “build system” is one of the most important tools in a developer’stoolbox. Roughly, it figures out how to create runnable programs froma bunch of different...

24 Jan 2025

Jane Street Tech Blog

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Developer education at Jane Street

Like most places, Jane Street largely teaches developers through a kind of apprenticeshipmodel. A team matching process tries to thoughtfully match new devs ...

01 Oct 2024

Jane Street Tech Blog

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We're sponsoring SoME3

Jane Street is excited to announce our sponsorship ofSoME3, Grant Sanderson and James Schloss’sthird Summer of Math Exposition. SoME is a contest that Grant ...

06 Jul 2023

Jane Street Tech Blog

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Introducing the Jane Street Graduate Research Fellowship

We are excited to announce the launch of the Jane Street Graduate Research Fellowship!

30 Aug 2022

Jane Street Tech Blog

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