Julien Dubreuil
Independent CTO at Horize
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolJulien Dubreuil is an Independent CTO and technology leader based in Paris with two decades of IT experience and a 14-year track record in hands-on engineering and leadership roles. He has built high-performing digital organizations from scratch—most recently founding Valeo’s Service Digital Software Factory—delivering API strategies, DevSecOps practices, and cloud-native architectures across AWS and GCP. Julien blends strategic advisory work with interim CTO engagements, focusing on measurable business impact through pragmatic roadmaps, product-oriented delivery, and cost-efficient operations. His background spans startups and large enterprises, with deep expertise in e-commerce, SaaS integrations, and automation (CI/CD, Terraform, Ansible). A former founder and technical lead, he pairs technical depth (APIs, serverless, PHP/Drupal to modern NodeJS/Go stacks) with strong people and change management skills. He’s known for turning complex legacy landscapes into API-first, developer-friendly platforms that accelerate time-to-market.
14 years of coding experience
17 years of employment as a software developer
BTS Informatique, BTS Informatique at PROMEO FormationTOEIC Preparation, TOEIC Preparation at Shafston International College (Brisbane, Australia)National Conservatory of Arts and Crafts
French, English
Github Skills (54)
shell10
zsh10
cli10
oh-my-zsh9
cli-app9
python9
drupal-commerce9
rails9
drupal9
docker9
php9
golang9
go9
macos9
nginx9
Programming languages (8)
Github contributions (5)
JulienD/linux-cheatsheet
May 2012 - Mar 2019
A simple linux sheel cheat sheet
Contributions:43 commits, 1 PR, 3 pushes in 6 years 11 months
linux
JulienD/vagrant-ansible-server-playbooks
Oct 2014 - Sep 2015
Contributions:37 commits, 6 pushes in 11 months
vagrantrecipesansibledockerset-up
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