Mathieu Poussin
Senior Site Reliability Engineer (Cloud Operations Team)
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolMathieu Poussin is a Senior Site Reliability Engineer with 11+ years building and operating resilient, multi-cloud and datacenter infrastructure across companies like Revolut, Philips, OVHcloud and Scaleway. He combines deep expertise in PostgreSQL automation, network architecture and distributed systems with hands-on development in Go, Python and Rust to deliver scalable, secure platforms and internal tools. Mathieu has led SRE and network-automation teams, designed cloud platforms from zero, and tackled HIPAA-class medical-device infrastructure and large-scale backbone operations. An active open-source contributor, he’s improved LibreNMS’ BGP and IPv6 handling—reflecting a practical focus on observability, incident prevention and technical debt reduction. Based in Barcelona, he prefers pragmatic engineering (“best tool for the job”) and thrives on complex network projects and large database systems.
11 years of coding experience
8 years of employment as a software developer
Bac Pro S.E.N option Télécommunications et Réseaux (IRIS), Information Technology, Admis avec mention, Bac Pro S.E.N option Télécommunications et Réseaux (IRIS), Information Technology, Admis avec mention at Institut Supérieur de Ressources Informatiques (IRIS)BTS Système Informatique aux Organisations, Informatique de gestion, BTS Système Informatique aux Organisations, Informatique de gestion at AFORP
French, English, Spanish
Github Skills (10)
bgp10
php10
api10
network-monitoring10
laravel10
apidoc10
laravel-mix10
snmpd9
snmp9
git6
Programming languages (35)
Github contributions (5)
librenms/librenms
Dec 2019 - Jan 2021
Community-based GPL-licensed network monitoring system
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 reviews, 10 commits, 12 PRs in 1 year 1 month
Contributions summary:Mathieu primarily contributed to the back-end functionality of the network monitoring system, focusing on API improvements, and BGP data handling. They modified existing code to enhance the BGP API, added filters, and fixed IPv6 address handling. The user implemented support for retrieving BGP prefixes from Arista-EOS devices and added error code management within the BGP polling mechanism. The user also made several changes to the geographical map to show network links.
network-monitoringnetworkmonitoringphprrd
kedare/kedare-blog
Dec 2016 - Jul 2025
Source of blog.kedare.net
Contributions:6 PRs, 102 pushes, 5 branches in 8 years 8 months
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