Sébastien Errien
Architecte Entreprise at Kereis
Saint-Herblain, Pays de la Loire, France
Summary
👤
Senior🎓
Top SchoolSébastien Errien is an enterprise architect and AWS Certified Solutions Architect with over 20 years in software development and 11 years of focused experience delivering cloud and platform strategies. Based in Saint-Herblain, France, he has progressed from hands-on coding in Java, Go, Ruby and Python to leading SI urbanization, platform migrations to AWS, and Infrastructure as Code automation. At Kereis he drove full externalization to AWS, containerization, secrets management and platform industrialization while defining SI cartographies, solution catalogs and a technology radar. He blends strong agile practice knowledge (XP, Scrum) with practical architecture patterns and a taste for clean code influenced by Robert C. Martin. Known for pragmatic decision-making, he prioritizes removing complexity to reach elegant solutions—echoing his favorite Saint-Exupéry quote. Outside work he’s a computer scientist and amateur guitarist, reflecting a long-standing passion for technology since coding on a TO7 at age ten.
11 years of coding experience
16 years of employment as a software developer
Maîtrise, Informatique, Maîtrise, Informatique at Nantes Université
French, English
Github Skills (28)
kubernetes9
security9
proxies9
api9
microservices9
api-management8
consul8
nomad8
service-mesh8
golang8
circuit-breaker8
chronos7
resiliency7
observe7
fault-injection7
Programming languages (5)
Github contributions (5)
serrien/cluster-mesos
May 2015 - Apr 2020
Cluster mesos, marathon, chronos
Contributions:1 release, 19 commits, 2 PRs in 5 years
clusterchronosmesosmarathon
SebErrien/lend
Mar 2015 - Mar 2015
Contributions:4 pushes in 23 days
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