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Signals and Threads

Jane Street

Listen in on Jane Street’s Ron Minsky as he has conversations with engineers who are working on everything from clock synchronization to reliable multicast, build systems to reconfigurable h...

Episodes

20 of 33 episodes

The Changing Craft of Programming with John Crepezzi

John Crepezzi has spent his career building tools for other programmers—at Tumblr, at Square, and then at GitHub, where he worked on the mer...

01:48:29Oct 16, 2026

Learning Goals and the Goals of Learning: Teaching in the Age of AI with Aaron Bauer

Aaron Bauer is a software engineer and one of Jane Street's few developer educators—a role that splits his time between writing code and tea...

01:36:37Sep 23, 2026

Wrestling the world into rows with Eric Mannes

"Alternative data" is Wall Street's name for information that comes from non-traditional sources: satellite photos of parking lots, credit c...

01:25:00Sep 2, 2026

Building a data warehouse from scratch with Jacob Baskin

In university Jacob Baskin studied at the intersection of computer science and economics, thinking about systems that incentivize people to...

01:34:29Jun 24, 2026

The Network as a Program with Nate Foster

Nate Foster is a professor at EPFL in Switzerland in the Networked Systems Abstractions Lab, and a visiting researcher at Jane Street on the...

01:34:35Jun 1, 2026

Why Testing is Hard and How to Fix it with Will Wilson

Will Wilson is the founder and CEO of Antithesis, which is trying to change how people test software. The idea is that you run your applicat...

01:48:26Mar 17, 2026

Why ML Needs a New Programming Language with Chris Lattner

Chris Lattner is the creator of LLVM and led the development of the Swift language at Apple. With Mojo, he’s taking another big swing: How d...

01:12:57Sep 3, 2025

The Thermodynamics of Trading with Daniel Pontecorvo

Daniel Pontecorvo runs the “physical engineering” team at Jane Street. This group blends architecture, mechanical engineering, electrical en...

00:58:46Jul 25, 2025

Building Tools for Traders with Ian Henry

Ian Henry started his career at Warby Parker and Trello, building consumer apps for millions of users. Now he writes high-performance tools...

01:19:39May 28, 2025

Finding Signal in the Noise with In Young Cho

In Young Cho thought she was going to be a doctor but fell into a trading internship at Jane Street. Now she helps lead the research group’s...

00:59:45Mar 12, 2025

The Uncertain Art of Accelerating ML Models with Sylvain Gugger

Sylvain Gugger is a former math teacher who fell into machine learning via a MOOC and became an expert in the low-level performance details...

01:06:22Oct 14, 2024

Solving Puzzles in Production with Liora Friedberg

Liora Friedberg is a Production Engineer at Jane Street with a background in economics and computer science. In this episode, Liora and Ron...

00:53:50Oct 7, 2024

From the Lab to the Trading Floor with Erin Murphy

Erin Murphy is Jane Street’s first UX designer, and before that, she worked at NASA’s Jet Propulsion Laboratory building user interfaces for...

01:03:35Jul 12, 2024

Performance Engineering on Hard Mode with Andrew Hunter

Andrew Hunter makes code really, really fast. Before joining Jane Street, he worked for seven years at Google on multithreaded architecture,...

00:55:34Nov 28, 2023

A Poet's Guide to Product Management with Peter Bogart-Johnson

Peter Bogart-Johnson was one of Jane Street’s first program managers, and helped bring the art of PMing—where that “P” variously stands for...

01:02:17Aug 15, 2023

The Future of Programming with Richard Eisenberg

Richard Eisenberg is one of the core maintainers of Haskell. He recently joined Jane Street’s Tools and Compilers team, where he hacks on th...

00:59:37May 18, 2023

Swapping the Engine Out of a Moving Race Car with Ella Ehrlich

Ella Ehrlich has been a developer at Jane Street for close to a decade. During much of that time, she’s worked on Gord, one of Jane Street’s...

01:00:28Sep 12, 2022

State Machine Replication, and Why You Should Care with Doug Patti

Doug Patti is a developer in Jane Street’s Client-Facing Tech team, where he works on a system called Concord that undergirds Jane Street’s...

01:12:09Apr 20, 2022

Memory Management with Stephen Dolan

Stephen Dolan works on Jane Street’s Tools and Compilers team where he focuses on the OCaml compiler. In this episode, Stephen and Ron take...

01:22:34Jan 5, 2022

What Is an Operating System? with Anil Madhavapeddy

Anil Madhavapeddy is an academic, author, engineer, entrepreneur, and OCaml aficionado. In this episode, Anil and Ron consider the evolving...

01:01:11Nov 3, 2021