Pierre-marc Fournier - Software Engineer at Latour Trading LLC

Pierre-marc Fournier

Software Engineer at Latour Trading LLC

New York, New York, United States

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Summary

👤

Senior

🎓

Top School

Pierre-marc Fournier is a seasoned software engineer with 17 years of experience building high-performance, highly available, and well-monitored distributed systems on Linux. He has led and scaled low-latency infrastructure teams—most recently as Technology Manager at Squarepoint Capital and now engineering at Latour Trading—focusing on global market data and order entry platforms. A hands-on systems developer, he contributes to low-level open-source projects like userspace RCU, where he improved signal handling and modernized the build system, underscoring deep expertise in concurrency, signal semantics, and build tooling. His background blends research-grade tracing work, trading-platform leadership, and early systems administration, giving him rare end-to-end insight from kernel-adjacent code to production observability. Based in New York, he pairs rigorous engineering discipline with a track record of operational reliability in mission-critical environments.

17 years of coding experience

16 years of employment as a software developer

B.Eng., computer engineering, B.Eng., computer engineering at Polytechnique Montréal

BI (DEC), sciences, BI (DEC), sciences at Jean-de-Brébeuf College

English, French

Github Skills (7)

c1710

signal-handling10

autobuild10

c1110

autotools10

linux-kernel9

concurrency8

Programming languages (1)

Github contributions (5)

urcu/userspace-rcu

Jun 2009 - Nov 2009

This repo is a mirror of the official userspace-rcu git found at git://git.lttng.org/userspace-rcu.git. liburcu is a LGPLv2.1 userspace RCU (read-copy-update) library. This data synchronization library provides read-side access which scales linearly with the number of cores.

Role in this project:

Back-end Developer

Contributions:9 commits in 5 months

Contributions summary:Pierre-marc's commits primarily focused on enhancing the signal handling and build processes within the userspace RCU library. They addressed issues related to signal handler installation by correcting the `sigaction` settings and adding the `SA_RESTART` flag for improved system call behavior. Furthermore, the user modernized the build system by converting it to autotools and refactored the code to make the `urcu_init` function non-static, thereby increasing the library's usability in various contexts. This implies an understanding of low-level system interactions and build processes.

userspacesynchronizationgit-clientlibgit2lgplv2

pmfournier/usbkvm

Mar 2015 - Jul 2015

Contributions:24 commits, 4 pushes, 1 branch in 4 months

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