Hubert Sablonnière is a Web-focused software engineer with 14 years of experience, currently building cloud-native tooling at Clever Cloud from the Greater Lille area. He combines deep frontend expertise (HTML, CSS, JavaScript and browser internals) with broad backend and infrastructure experience—Java/Spring, Node.js, databases, HTTP performance, security and Docker. Hubert is an active open-source contributor who improved core functionality and performance in projects like isomorphic-git and enhanced front-end tooling such as DZSlides and remy/inliner. A former teacher and frequent speaker, he enjoys presenting technical topics and mentoring teams, and he pursues practical experiments with new web technologies in his spare time. Notably, his open-source work includes performance optimizations that reduced network usage in git operations, reflecting his interest in both developer ergonomics and real-world efficiency.
14 years of coding experience
9 years of employment as a software developer
Engineer’s Degree, Computer Software Engineering, Engineer’s Degree, Computer Software Engineering at Institut supérieur d'électronique et du numérique
DZSlides is a one-file HTML template to build slides in HTML5 and CSS3.
Role in this project:
Front-end Developer
Contributions:46 commits, 1 comment in 1 year 1 month
Contributions summary:Hubert primarily contributed to the front-end aspects of the DZSlides project, enhancing the presentation template (`template.html`) and the shell implementations (`embedder.html` and `onstage.html`). Their work included implementing incremental rendering for slides, adding features such as progress bars, and integrating fullscreen functionality. They also refactored code and implemented a new messaging protocol for communication between different presentation views.
A pure JavaScript implementation of git for node and browsers!
Role in this project:
Back-end Developer
Contributions:8 commits, 6 PRs, 41 comments in 1 year 10 months
Contributions summary:Hubert primarily contributed to enhancing the `isomorphic-git` library by implementing new commands, refactoring existing configurations, and optimizing performance. Their work included adding the 'addRemote' and 'deleteRemote' commands, as well as expanding the functionality of the GitConfig object, specifically handling comments, quotes, and value casting. The user also focused on improving performance by optimizing the `push` and `findMergeBase` commands and reducing network usage through "thin packs".
isomorphic-javascriptvcsbrowserbrowsersjavascript
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Hubert Sablonnière - Software Engineer at Clever Cloud