Matthieu Barthelemy
Head Of Infrastructure And Security at Ascenda
Spain
Summary
🤩
Rockstar🎓
Top SchoolMatthieu Barthelemy is a seasoned infrastructure and security leader with 26 years of hands-on experience building and operating large-scale, cloud-native platforms from Europe. Currently Head of Infrastructure and Security at Ascenda in Spain, he has a deep track record in SRE, automation, and secure architecture across companies like Grab and EFL, where he led migrations to AWS, designed multi-layered security, and standardized IaC and CI/CD practices. He excels at turning complex, stateful systems into resilient, stateless, automated platforms—refactoring sprawling Ansible estates, delivering fault-tolerant autoscaling, and creating generic Helm/deployment patterns for microservices. Matthieu combines practical developer empathy (contributing backend fixes to Rails logging) with strategic leadership, and is known for embedding observability, centralized auth, and repeatable provisioning into production workflows. Based in Spain, he brings a pragmatic “automate everything” ethos and a knack for reducing operational surprises during peak scale.
26 years of coding experience
14 years of employment as a software developer
BTS Informatique de gestion, BTS Informatique de gestion at ESUP, Rennes, France
French, Spanish, English, Russian
Stackoverflow
12,603reputation
2.5mreached
122answers
1question
proxy
top-5%
linux
top-5%
phpmyadmin
top-5%
docker
top-1%
Github Skills (19)
ruby-rails10
docker10
rails10
ruby10
error-handling10
logging10
phpmyadmin9
linux9
proxy9
rspec9
shell6
mongodb6
mono6
php6
ansible6
Programming languages (14)
Github contributions (5)
shadabahmed/logstasher
Oct 2013 - Nov 2013
Awesome rails logs
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits in 1 month
Contributions summary:Matthieu focused on improving exception handling and error reporting within the Rails application. They addressed issues related to unhandled exceptions, ensuring correct tagging of log entries for exceptions. Furthermore, the user implemented changes to extract and display the actual HTTP status code associated with exceptions, instead of a hardcoded value. These commits show a focus on improving the application's robustness and providing more informative log data.
railsrubylogginglogs
m-barthelemy/DockerSwift
May 2022 - Feb 2023
Contributions:5 releases, 328 commits, 25 pushes in 8 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.