Etienne Cordonnier
Software Engineer at Snap Inc.
Vienna, Austria
Summary
👤
Senior🎓
Top SchoolEtienne Cordonnier is a software engineer with 11 years of hands-on experience specializing in embedded systems programming in C and C++, real-time OSes and embedded Linux across diverse CPU architectures. He has delivered production camera and smart speaker firmware, led technical projects for high-volume consumer devices, and managed Debian-based OS maintenance for industrial applications. At Snap he continues to apply his embedded and systems expertise while contributing to open-source quality assurance—recently improving signal-handling tests in the widely followed uutils/coreutils Rust project. Fluent in French, German and English and experienced in multicultural teams, he combines autonomous bring-up skills with a track record of shipping reliable, field-tested systems. An electrical engineering master with a background in hardware-software integration, he brings practical cross-disciplinary insight often missing in pure software roles.
11 years of coding experience
9 years of employment as a software developer
Master’s Degree, Electrical Engineering, Master’s Degree, Electrical Engineering at Institut national des Sciences appliquées de StrasbourgNorwegian University of Science and Technology
French, German, English
Stackoverflow
4,899reputation
749kreached
140answers
23questions
doxygen
top-1%
documentation
top-5%
Github Skills (19)
signal-handling10
testing10
doxygen10
command-line-tool10
rust10
gnu-coreutils10
cross-platform9
documentation9
test-automation9
gnupg6
pycharm6
stm6
opencv6
linux6
yocto6
Programming languages (14)
Github contributions (5)
uutils/coreutils
Sep 2022 - Mar 2025
Cross-platform Rust rewrite of the GNU coreutils
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:2 reviews, 5 PRs, 28 comments in 2 years 6 months
Contributions summary:Etienne primarily contributed to enhancing the testing infrastructure of the coreutils project. Their work included adding new tests for signal handling, specifically focusing on how the `sleep` command responds to signals like SIGSEGV and SIGBUS. The user also implemented tests to ensure that the program behaves as expected when provided with invalid inputs or when duration exceeds the maximum.
command-line-toolrustlinuxgnucoreutils
Ecordonnier/meta-openembedded
Mar 2023 - Mar 2025
Contributions:25 pushes, 23 branches in 2 years
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