Sébastien Helleu

R&D Manager - Privileged Access Management at WALLIX Group

Paris, Ile-de-France
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Summary

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Sébastien Helleu is an R&D manager with 22 years of experience leading engineering teams in privileged access management and secure backend systems from Paris. He currently heads R&D for WALLIX’s Bastion, Access Manager and AAPM products, coordinating SAFe Agile release trains, hiring, and cross-team synchronization while remaining hands-on in backend and system-level development. A pragmatic developer fluent in C, Python and Rust, he contributes to free software (including WeeChat scripts) and prefers Debian and Emacs, reflecting a strong Unix-centric tooling culture. His background spans enterprise search and back-office systems at IBM to product-driven security engineering, giving him both product roadmap sensibility and deep implementation experience. Colleagues rely on him for process improvement, escalations, and turning complex security requirements into maintainable, auditable solutions.
code22 years of coding experience
job19 years of employment as a software developer
bookDUT Informatique, DUT Informatique at IUT Paris XIII
bookDUT Informatique, DUT Informatique at Université Paris 13
languagesFrench, English
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Github Skills (4)

scripting10
perl10
configuration-management10
irc9

Programming languages (18)

PowerShellJavaC++SchemeCMakefileGoSass

Github contributions (5)

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weechat/scripts

Nov 2008 - Jan 2023

Official scripts for WeeChat.
Role in this project:
userBack-end Developer
Contributions:25 reviews, 298 commits, 343 PRs in 14 years 4 months
Contributions summary:Sébastien contributed to a Perl script named `iset.pl`, focusing on enhancing its functionality. The primary contribution involved adding support for parent options within the interactive set tool, which allowed the inheritance of values in IRC servers. This update included modifications to the code, particularly within the `iset_get_options` and `iset_search_values` subroutines, demonstrating a focus on configuration management and option handling. Subsequent commits show debugging print removal and merging of updates.
schemeluacode-golfpythonweechat
flashcode/nb2fr

Nov 2020 - Mar 2025

Contributions:23 pushes, 11 branches, 3 tags in 4 years 4 months
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Sébastien Helleu - R&D Manager - Privileged Access Management at WALLIX Group