Alexis Sellier
Software Engineer at Pierre
Switzerland, France
Summary
🤩
RockstarAlexis Sellier is an Infrastructure Team Lead with 15 years of engineering experience and more than a decade in DevOps/SRE, known for bringing production-scale container and Kubernetes migrations to major French startups (notably early container adoption at BlaBlaCar). He blends hands-on systems engineering with team leadership, having improved reliability and cut cloud costs dramatically (e.g., $20k→$4k at Dashblock) while running multi-region EKS fleets and PCI-aware core banking infrastructures. An active open-source contributor, Alexis has practical contributions across tooling from Node.js servers and Less.js to Cosmos SDK and developer UX improvements in ghcid integrations. Based in La Rochelle, he pairs a pragmatic, security-minded approach with an appetite for pushing technical boundaries and improving developer experience—he even helps teams reproduce production-like environments locally with Devspace.
16 years of coding experience
Github Skills (53)
cosmos-sdk10
api-rest10
couchdb10
filesystem10
javascript10
integrate10
preprocessing10
api-design10
preprocess10
restful-api10
vimscript10
testing10
plugin-development10
css10
tendermint10
Programming languages (23)
Github contributions (5)
cloudhead/rx
Aug 2019 - Jan 2023
👾 Modern and minimalist pixel editor
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 releases, 24 reviews, 761 commits in 3 years 5 months
Contributions summary:Alexis's commits primarily involved refactoring the codebase, including renaming files and converting existing code to handle errors. They also implemented modifications to the source and session files, indicating involvement in the project's core functionality. These changes suggest a focus on code quality and the improvement of existing features.
pixel-editorpixelgamedevretro8bit
cloudhead/http-console
Jan 2011 - Jun 2021
simple, intuitive HTTP REPL — Speak HTTP like a local.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:23 commits, 6 PRs, 10 pushes in 10 years 6 months
Contributions summary:Alexis primarily contributed to the development of the `http-console` application, focusing on both backend and frontend aspects. They updated the application to support different Node.js versions, added features like the PATCH method and cookie management, and refactored code to improve maintainability. Furthermore, the user addressed interface issues with code changes.
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