Guillaume Seren
Développeur Freelance Gnu Linux
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolGuillaume Seren is a seasoned Gnu/Linux freelance developer and DevOps engineer with 13 years of experience building and maintaining production infrastructure, CI/CD pipelines, and LAMP stacks across NixOS, Gentoo, Debian and Ubuntu. Based in Paris, he combines systems administration, automation (Ansible, Molecule, Vagrant, Packer) and scripting (bash, Python) with database design and backup/replication tooling—authoring a public 24/7 backup solution on GitHub. He has delivered DevOps work for large organizations like Orange (networking, packaging, keepalived/haproxy tooling) and bootsrapped platform tooling and monitoring at startups such as Cloudi‑Fi. Comfortable across the stack, he also contributes to open-source projects such as the terminal mail client "alot," improving reply handling and graceful shutdown behavior. Known for pragmatic, audit-ready operations, he pairs Merise/DB modeling and release processes with hands-on kernel/service upgrades, container and VM orchestration, and on-call production debugging.
13 years of coding experience
9 years of employment as a software developer
+3 Programmation J2EE / .NET, +3 Programmation J2EE / .NET at Formation CESIBts Informatique de gestion : Développement, Bts Informatique de gestion : Développement at Charlotte Grawitz
French, English
Github Skills (11)
cli10
e-mail10
send-email10
command-line-interface10
urwid10
python10
sendmail10
mu10
command-line10
twisted8
gpgme8
Programming languages (15)
Github contributions (5)
pazz/alot
Nov 2015 - Sep 2019
Terminal-based Mail User Agent
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 3 PRs, 63 comments in 3 years 11 months
Contributions summary:Guillaume primarily contributed to the `alot` terminal-based mail user agent, focusing on enhancing its core functionality. They added features like auto-detection for mailing list replies, providing options to manage replies, and incorporating settings for list-based replies. The user also improved the codebase with changes to handle signals for a clean exit. Finally, the user updated the documentation dependencies for GPGME and twisted, upgrading the required versions.
imapmailnotmuchsmtpagent
GuillaumeSeren/afew
Apr 2016 - Mar 2025
Contributions:69 pushes, 45 branches, 3 tags in 9 years 1 month
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