Sylvain Guernion
Développeur Java - Identité Numérique at IDnow France
Rennes, Brittany, France
Summary
👤
Senior🎓
Top SchoolSylvain Guernion is a seasoned Java engineer with 14 years of experience, based in Rennes, specializing in digital identity and authentication platforms. He currently designs and develops FranceConnect-compatible identity solutions at IDnow, working with Java/Kotlin, Spring Boot, Keycloak, RabbitMQ and MongoDB in containerized CI/CD environments. His background spans large-scale enterprise projects in telecom and media as well as customer-marketing and automated-vehicle data systems, giving him strong expertise in backend APIs, integration, and messaging architectures. Comfortable across the full delivery lifecycle, he regularly uses Jenkins/Sonar, Nexus, Docker and Ansible to ensure reliable production releases. Sylvain also launched community projects like BreizhLib, showing an interest for pragmatic cloud deployments and mobile/web tooling beyond his day job. He combines deep hands-on coding with a steady focus on secure, auditable identity workflows.
14 years of coding experience
5 years of employment as a software developer
IFSIC, Informatique, IFSIC, Informatique at Université de Rennes
Github Skills (13)
alarm10
home-assistant8
home-automation6
raspberry-pi4
plugin4
declare3
mqtt3
controller2
php2
routes2
custom-ui1
router1
annotations1
Programming languages (5)
Github contributions (5)
rfxcom2mqtt/hassio-addons
Feb 2024 - May 2024
Contributions:6 PRs, 178 pushes, 6 branches in 2 months
rfxcom2mqtt/backend
Feb 2024 - Feb 2025
Rfxcom2mqtt backend
Contributions:1 release, 5 reviews, 20 PRs in 1 year
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.