dotCSS 2019

The world's largest CSS conference

December 4, 2019 Paris, France

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Speaker lineup:

Hakim El Hattab

Hakim El Hattab

Hakim is a Swedish front-end developer who loves to work on visual JavaScript experiments, animations and user interface concepts. He co-founded and is currently building, a fully featured presentation platform built on top of his open source presentation framework, reveal.js.

Emily Plummer

Emily Plummer

Emily is a Design Systems Engineer at GitHub. She is currently working on building an open source component library to accompany GitHub's design system, Primer. She's interested in all things JavaScript, CSS, and the intersection of the two.

David Khourshid

David Khourshid

David is a Microsoft software engineer with a passion for innovative UI/UX, animations, software modeling, and cutting-edge front-end tech. He's also the creator of XState & half of the Keyframers, a weekly coding live-stream. When not traveling or coding behind a laptop keyboard, he's usually behind a piano keyboard.

Jason Pamental

Jason Pamental

Jason works with clients on typographic systems, improving brand voice, performance, and UX. An Invited Expert to the W3C Web Fonts Working Group, he has given workshops and presented at over 100 events worldwide, has consulted for nearly every major type vendor & font platform, and authored numerous articles and courses on web typography & variable fonts.

Ire Aderinokun

Ire Aderinokun

Ire is a frontend web developer and user interface designer based in Lagos, Nigeria. She is currently the co-founder of BuyCoins, a cryptocurrency exchange for Africa. Ire specialises in the core frontend technologies HTML, CSS, and JavaScript and has written over 100 articles on these topics on her blog.

More speakers to come

More speakers to come

Be the first to know about the next speaker announcements!
Want to send us a talk proposal? Check our CFP.

With our guest emcee:

Una Kravets

Una Kravets

Una is an international public speaker, technical writer, and a Developer Advocate at Google. Previously, she was the Director of Product Design at Bustle Digital Group, and built design systems at DigitalOcean and IBM Design. Una co-hosts the Toolsday developer podcast and shares her experiments in CSS through video and blog posts.


We also have great speakers at dotJS on December 5th


  • Evan You

    Evan You

    Creator and lead maintainer of Vue.js

  • Charlie Gerard

    Charlie Gerard

    Front-end developer at Atlassian, Mozilla Tech Speaker & Google Developer Expert in Web Technologies

  • Igor Minar

    Igor Minar

    Angular lead and software engineer at Google.

  • Vladimir Agafonkin

    Vladimir Agafonkin

    Engineer at Mapbox, creator of Leaflet, open source enthusiast and algorithms geek

  • Sara Vieira

    Sara Vieira

    Developer at CodeSandbox. GraphQL and Open Source enthusiast. Conference Speaker and Airport expert.

  • Chris Heilmann

    Chris Heilmann

    Author of several JavaScript books. Program Manager for Open Web and Browsers at Microsoft.

  • Phil Hawksworth

    Phil Hawksworth

    Principal Developer Advocate at Netlify.

  • Vlad Filippov

    Vlad Filippov

    Open source contributor and software engineer working on the Web.

  • Valerie Young

    Valerie Young

    Senior Engineer at Bocoup and TC39 delegate

  • Adam Bradley

    Adam Bradley

    Creator of StencilJS and co-creator of Ionic Framework.

  • Simona Cotin

    Simona Cotin

    Simona spends most of her time tinkering with JavaScript in the cloud and sharing her experience with other developers.

  • Daniel Ehrenberg

    Daniel Ehrenberg

    Partner at Igalia and member of TC39

  • James Long

    James Long

    Founder of Actual and creator of Prettier.

  • Kassian Wren

    Kassian Wren

    Developer Advocate at Cloudflare with a passion for music and robotics! They've written 2 books on using JS with robotics.


Main events

December 4, 2019

dotCSS 2019

dotCSS is coming back with its sister conference dotJS, in the same venue you all loved in 2018: The Dock Pullman!

This might just be the largest CSS conference, ever ;-)

Dec 5 - Dec 6, 2019

dotJS 2019

dotJS is coming back in 2019 and for the first time it will be a 2-day conference!

Day 1 (Dec 5) will be all about Frontend development (UI frameworks, browsers, ...).
Day 2 (Dec 6) will be about Backend development and JavaScript as a language (Node.js, ES2019, compilers, ...)

Side activities

Dec 2 - Dec 3, 2019

Vue.js Hardcore training

We have partnered with Hackages to provide this 2-day Vue.js HackCamp.

December 4, 2019

Paris.js meetup dotCSS / dotJS edition

Paris.js meetup hosted by Voodoo (dotJS Platinum partner) on the evening of dotCSS, just before dotJS!

Dec 2 - Dec 4, 2019

ES Total training - French only

3 days training provided by our host Christophe Porteneuve to master 100% of ECMAScript (JavaScript)!

Discover the full schedule

Be the first to know about the next speaker announcements!


  • Speaker announcement
  • Sponsors
  • Schedule
  • News

Thanks to our lovely partners

Each year, our amazing partners help us keep tickets affordable, organize great workshops and welcome you in their stands.
If you want to be one of them, contact us.