Jane Street

Engineering blog · blog.janestreet.com

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Posts Feature trails22 Interview Qs35

Feature trail

Intern Projects Showcase

4 posts · 2026

Feature trail

Messaging

1 post · 2026

Feature trail

ASIC Reverse Engineering Puzzle

2 posts · 2026

Feature trail

Linux Kernel Bug Hunting

4 posts · 2017–2026

Jane StreetBlog6d

Building and testing a config management orchestrator for Windows

Jane StreetBlog1w

Scaling and benchmarking a critical message bus using a new indexing strategy

Jane StreetBlog1w

Results from the ASIC puzzle

Jane StreetBlog1w

How recurring network maintenance exposed 6 bugs

Jane StreetBlog1w

A FUSE server for our in-house storage backend

Jane StreetBlog1w

A resilient kernel log reporter

Jane StreetBlog1w

Can you use autoregressive diffusion to generate market data?

Jane StreetBlog1w

Mitigating memorization in LLMs

Jane StreetBlog1w

What the TDOE interns have wrought, 2026 edition

Jane StreetBlog1w

Trading off compute for memory with activation checkpointing

Jane StreetBlog1w

What the interns have wrought, special jumbo 2026 edition

Jane StreetBlog4w

A study of sequence weighting at scale

Jane StreetBlog4w

Can you design a chip? Announcing the protocol emulator ASIC competition

Jane StreetBlog5 Aug

Can you reverse engineer an ASIC?

Jane StreetBlog15 Jun

Using OxCaml to implement type-safe reference counting between OCaml and Python

Jane StreetBlog7 Jun

Formal methods and the future of programming

Jane StreetBlog26 May

strace-ui, Bonsai_term, and the TUI renaissance

Jane StreetBlog22 Apr

Using group theory to explore the space of positional encodings for attention

Jane StreetBlog2 Jul

A Higgs-bugson in the Linux Kernel

Jane StreetBlog22 Mar

Advent of Hardcaml