Laurent Charignon
Staff Software Engineer at Stripe
Ladera Ranch, California, United States
Summary
👤
Senior🎓
Top SchoolLaurent Charignon is a staff software engineer and developer productivity specialist with 11 years of experience leading large-scale developer tooling and test infrastructure initiatives at Stripe, Meta, and Airbnb. He currently tech-leads Stripe’s 50-engineer Build, Test and Tooling org, driving org strategy and company-wide productivity metrics and telemetry. Laurent has a strong track record of turning platform ideas into production systems—from Airbnb’s CI platform and Kubernetes release framework to preventing regressions across Instagram—combining hands-on engineering, metrics-driven success measurement, and cross-org coordination. His background spans QA, test automation, source control scaling (including work on Mercurial), and open-source contributions to projects like the popular ranger console file manager’s test suite. Based in Southern California, he brings both deep technical rigor and a pragmatic focus on reducing operational load and technical debt.
11 years of coding experience
12 years of employment as a software developer
Diplôme d'ingénieur(Equivalent to BS & MEng), Computer Engineering, 3.99, Diplôme d'ingénieur(Equivalent to BS & MEng), Computer Engineering, 3.99 at Ecole nationale supérieure des TélécommunicationsMSc, Computer Science, 3.92, MSc, Computer Science, 3.92 at Columbia University - Fu Foundation School of Engineering and Applied SciencePCSI/PC*, Mathematics, 3.74, PCSI/PC*, Mathematics, 3.74 at Classes Préparatoires Aux Lazaristes
French, German, English, Persian
Github Skills (4)
file-manager10
pytest10
python10
testing10
Programming languages (11)
Github contributions (5)
ranger/ranger
Jan 2016 - Jan 2016
A VIM-inspired filemanager for the console
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:10 commits, 4 PRs, 7 comments in 1 day
Contributions summary:Laurent primarily contributed to the test suite of the `ranger` project. They added new tests using pytest, which include basic functionality tests for the history and bookmarks modules. These changes encompass fixing logic errors and adding test coverage, ensuring the reliability of core features like history management and bookmarking.
vimconsolefilemanagerfile-launcherneovim
charignon/github-review
Jan 2019 - Oct 2021
Github code reviews with Emacs.
Contributions:8 reviews, 140 commits, 57 PRs in 2 years 9 months
magitemacsgerritemacs-lispcode-reviews
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