Sylvain Hellegouarch
Acigné, Brittany, France
Summary
🤩
Rockstar🎓
Top SchoolSylvain Hellegouarch is a seasoned technical leader and founder with over 20 years of software engineering experience and 15+ years in senior roles across startups and larger organisations. He co-founded and led Reliably, shaping reliability as a people-first discipline that reduces engineer anxiety while enabling product innovation. Hands-on across cloud-native architectures, container orchestration and DevOps, he has built CI/CD pipelines and platform tooling for projects like the widely used Chaos Toolkit and production Kubernetes environments. Known for balancing empathy with decisiveness, he mentors inclusive teams to deliver reliable, observable systems. A longtime open-source maintainer and author (including a book on CherryPy), he combines practical engineering with a knack for making complex systems understandable. Based in Brittany, France, he quietly blends entrepreneurial grit with deep operational expertise and a curiosity for pragmatic automation.
20 years of coding experience
21 years of employment as a software developer
Bachelor of Science (BSc) Computer Science, Bachelor of Science (BSc) Computer Science at University of South Brittany
French, English
Stackoverflow
852reputation
41kreached
24answers
0questions
Github Skills (21)
github-ci10
bash10
cicd10
automation10
automations10
githubaction-workflow10
dockers9
webservice9
docker9
documentation8
ws4py6
kubernetes-ingress6
traefik6
cherrypy6
rest6
Programming languages (29)
Github contributions (5)
chaostoolkit/chaostoolkit
Sep 2017 - Dec 2022
Chaos Engineering Toolkit & Orchestration for Developers
Role in this project:
DevOps Engineer
DevOps EngineerContributions:1 release, 18 reviews, 313 commits in 5 years 3 months
Contributions summary:Sylvain's contributions primarily involve setting up and configuring the CI/CD pipeline for the chaostoolkit repository. This includes the creation and modification of a bash script (`ci.bash`) for building documentation, installing dependencies, and deploying the website. The user also updated the CI/CD configuration for building and releasing the package to PyPI and Docker, ensuring that the documentation is correctly built and published. Finally, the user made code changes for building and releasing the project on a tagged version.
chaosorchestrationresiliencyreliability-engineeringchaostoolkit
chaostoolkit/chaostoolkit-addons
Jun 2020 - Mar 2022
Chaos Toolkit addons (tolerances, controls) that can benefit everyone
Contributions:37 commits, 1 PR, 46 pushes in 1 year 9 months
chaosaddonschaos-toolkitchaostoolkitchaostoolkit-extension
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