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    Julien DéramondDesign System Tech Lead · Bootstrap co-maintainer

    Design systems at work.
    Open source at home.

    Building design systems for large organizations, and contributing to open source, Bootstrap included: co-maintainer since 2022. Focused on Developer eXperience (DX), and on bridging the gap between design and code.

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    01Open source

    Open Source Highlights

    01

    Bootstrap Core Team

    Co-maintainer since 2022 of one of the world's most popular web frameworks.

    Stars: 174,900+ GitHub starsgetbootstrap.com →
    02

    17,400+

    Contributions since 2016 across the open source ecosystem

    03

    Open {re}Source

    A platform created in 2023 for sharing and discovering the open source world.

    openresource.dev →
    04

    Advent of Open Source

    Celebrating open source with daily content during December 2024.

    adventofopensource.com →
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    GitHub numbers as of

    I want to thank my co-maintainer, Julien, for all the amazing work he’s put into Bootstrap over the last couple of years. Without him, I’d be underwater on reviews, dependencies, migrations, and more. He’s an absolute legend and Bootstrap owes him a tremendous amount of gratitude and appreciation.

    Mark Otto @mdo, Bootstrap co-creator, in Bootstrap 6 Alpha, Bootstrap blog, October 8, 2026
    02Focus

    Areas of Work

    A

    Design Systems

    Tech Lead of Quantum, the design system of Thales digital products, used across 250+ deployments; before that, of the Orange design system.

    quantum.thalesdigital.io →
    B

    Open Source

    Bootstrap co-maintainer, and author of the tools and sites listed on the projects page.

    Projects →
    03Film

    Design Systems, Explained

    A frame from the film: a laptop, a tablet and a phone among a wall of app screens, every one in the same orange and the same serif type, over the line “Everything follows.”

    Short film · Animated · With sound

    What is a design system?

    How a brand’s colour, type and shapes turn into every screen a company makes, and how changing one of them changes them all.

    04From the blog

    Latest Posts

    2026-10-15 · On Bootstrap blog · Bootstrap · AI

    Triaging open source with agents

    How the Bootstrap maintainers use Claude Code agents to analyze issues and pull requests while they make every decision.

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    05Open channel

    Contact

    Open source collaborations and design systems discussions: hello@deramond.dev, or the platforms below.