Sébastien Guilloux
Principal Software Engineer Tech Lead at Elastic
Toulouse, Occitania, France
Summary
🤩
Rockstar🎓
Top SchoolSébastien Guilloux is an experienced engineer with 11 years building resilient, cloud-native backend systems and orchestration platforms from the ground up. He led the re-architecture and launch of Elastic’s Cloud Serverless backend on Kubernetes, combining API services, custom controllers/operators, multi-region orchestration and observability. Previously he designed multi-tenant, high-throughput platforms at OVH—including a Kafka-as-a-Service handling millions of messages per second—and contributed core work to the Elastic Cloud on Kubernetes (ECK) open-source project. Comfortable across Go, Scala and Kubernetes ecosystems, he focuses on simple, correct designs that tolerate failure and scale in production. Based in Toulouse, he pairs deep hands-on engineering with operational experience, regularly presenting lessons learned at KubeCon and community events.
11 years of coding experience
5 years of employment as a software developer
Computer Science Student, Computer Science Student at Rochester Institute of TechnologyDiplôme d'ingénieur, Computer Science, Diplôme d'ingénieur, Computer Science at Institut national des Sciences appliquées de Rennes
english (test toeic: 990/990), French
Stackoverflow
11reputation
771reached
1answer
0questions
Github Skills (8)
kubernetes10
go10
kubernetes-pods10
dockers9
docker9
yaml8
elasticsearch6
elasticcloud6
Programming languages (13)
Github contributions (5)
elastic/cloud-on-k8s
Oct 2018 - Mar 2022
Elastic Cloud on Kubernetes
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:307 reviews, 785 commits, 789 PRs in 3 years 5 months
Contributions summary:Sébastien's primary contribution centers on enhancing the Elasticsearch Cloud on Kubernetes (ECK) project. They implemented new features by modifying existing init containers, and creating new ones. Their work focused on adding configuration capabilities for key ES settings. The user also contributed to infrastructure aspects by modifying the testing environment.
kubernetes-operatorselastickibanakuberneteselasticsearch
sebgl/cloud-on-k8s
May 2019 - Mar 2022
Elastic Cloud on Kubernetes
Contributions:1098 commits, 473 pushes, 382 branches in 2 years 10 months
kubernetes-deploymentelastickuberneteselasticsearchcloud-native
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