sapphi_red @sapphi.red @vite.dev core team member.
Roman @rman.dev https://rman.dev
Lea Verou, PhD @lea.verou.me I make things for making things.
@leaverou@front-end.social on Mastodon, @leaverou elsewhere
https://lea.verou.me
Kenrick @kenrick95.org Front-end developer
日々はもっと輝いて〜
Blog: https://blog.kenrick95.org/
Mikhail Barash @mikbar.bsky.social Programming Language Specification and Standardization. Professor at University of Bergen, Norway. TC39 Delegate. Co-convener of TC39-TG5. Ecma International Executive Committee member. Opinions are my own.
Firefox for Web Developers @webdevs.firefox.com Official Firefox account for people who build on the web. Learn about the things we're working on to grow and improve the web platform.
Paweł Grzybek @pawelgrzybek.com I’m a software developer from Poland living in Northampton, UK. I’m a web standards enthusiast, accessibility advocate, and simplicity guardian. The guy behind the NN1 Dev Club meetup. After-hours hip hop head, funky records collector, and photographer.
Sam Thoyre @samthoyre.bsky.social 🌐 Tech Enthusiast | AI & Dev Tools 🛠️
🎥 Sharing insights on Next.js, Payload, Supabase, Tailwind, AI, and serverless architecture.
📺 Watch my tutorials & build with me: https://www.youtube.com/channel/UClxm1AYVvel_7Lhft3FPdhg
Alexander Lichter @thealexlichter.com 🧡 Engineer @cloudflare.social
🎬 Video Content https://lichter.link/yt
💚 @nuxt.com team
🕰️ prev. DevRel @voidzero.dev
Bramus @bram.us Chrome DevRel at Google (CSS + Web UI + DevTools). CSSWG Member. PADI Divemaster. Blogs at bram.us. Lives in Belgium.
Anthony Fu @antfu.me A ship in harbor is safe, but that is not what ships are built for.
creator → @sli.dev • @unocss.dev • @vueuse.org • @vitest.dev • elk.zone
core team → @nuxt.com • @vite.dev • vuejs.org
maintainer → @shiki.style • eslint.style
he/him → antfu.me
Philipp Dunkel @pipobscure.com he/him 🇪🇺🇦🇹
Formerly JavaScript Infrastructure & Tooling at Bloomberg.
Formerly TC39/Temporal.
Still Humanist Human.
Opinions are always my own.
AapoAlas @aapoalas.trynova.dev Nova JavaScript engine developer and OSS contributor by day and night. Avid choir singer. He/him.
Give me data-oriented design or else (I will cry).
https://trynova.dev/
Igalia @igalia.com Igalia is an open source consultancy specialized in innovative projects and solutions with desktop, mobile, and web technologies.
Boa @boajs.dev Boa is an experimental JavaScript interpreter written in Rust.
Ayc0 @ayc0.dev Frontend engineer at @datadoghq
Personal website: https://ayc0.dev/
I try to build good tools for #javascript and #reactjs 😅
Luca Casonato 🏳️🌈 @lcas.dev Software person. Building @railway.com. Prev @deno.land. Creator of Fresh. @tc39.es invited expert. Train nerd.
he/him 🏳️🌈🌍🌻💚
lcas.dev - 📍 Amsterdam
Manish @manishearth.bsky.social unmappable territory
please leave a message after the beep
Marco @mcognetta.bsky.social Language and keyboard stuff at Google.
I like computers and Korean and computers-and-Korean and high school CS education.
Georgia Tech → 연세대학교 → 東京工業大学.
Regrettably no longer based in Tokyo :/
https://theoreticallygoodwithcomputers.com/
Jason Williams @jason-williams.co.uk JavaScript Infrastructure & Tooling @Bloomberg @TC39, creator of Boa (JS Engine)
Kenji @jp-knj.bsky.social Astro maintainer | Design Engineer 🎨 | @JP SaaS Startup | Learn English 🇺🇸 | Run + Lift 🏃♂️ | Speak 🇯🇵 | Lived in Japan
🐈⬛ https://github.com/jp-knj
🌐 https://jp-knj.github.io/knj/
Web Engines Hackfest @webengineshackfest.org Dates: 15-17 June 2026
Venue: Palexco (A Coruña, Galicia, Spain)
Host & Organizer: @igalia.com
Website: https://webengineshackfest.org/
Wiki: https://github.com/Igalia/webengineshackfest/wiki
James @43081j.com Lead: @e18e.dev - tinylibs - chai
Maintainer: parse5 - @unjs.io - @bomb.sh - chokidar - @npmx.dev - @vueuse.org - prettier
Sponsor me at github.com/sponsors/43081j
github.com/43081j / Focusing on ecosystem perf & tooling 🥳
Ujjwal Sharma @ryzokuken.dev Developer Advocacy, Programming Languages & Web Standards @igalia.com
@tc39.es co-chair, ECMA-402 (JS Intl) co-editor
A Coruña, Galiza
🏴🐈⬛
https://www.ryzokuken.dev/
st98 @st98.bsky.social CTFs with zer0pts and BunkyoWesterns / Web Security / Posts random things mostly in Japanese
X: https://twitter.com/st98_
Mastodon: https://infosec.exchange/@st98
Website: https://st98.github.io/
dylan @dylmye.me hi:)
https://keytrace.dev/dylmye.me
Paul Irish @paul.irish web performance and DevTools, mostly.
In '97 I wrote a paper for English class on HTML Image Maps. I haven't changed much since.
saku @sakupi01.com Just in peace.
https://sakupi01.com
Rob Palmer @robpalmer.bsky.social JavaScript Infrastructure & Tooling at Bloomberg. Co-chairing TC39. Likely to tweet tech stuff about JS & software performance. Opinions are my own.
petamoriken / 森建 @moriken.dev WebDev / ES2025 Float16Array ponyfill author / I love Deno 🦕 & Web Standards 🌐 / Opinions are my own / FANBOX https://moriken.fanbox.cc/
https://moriken.dev / TC39 会議まとめは Cosense(Scrapbox) へ!
Makoto Kato @makoto-kato.bsky.social Working on Firefox and GeckoView
IntentToShip @intenttoship.dev I post when browser makers announce an intent to ship, change or remove features in their web engines!
I was made by @burrito.space.
https://github.com/autonome/intenttoship-bot
Shane Carr @sffc.bsky.social I18n, ECMAScript, board game design, curling, music, photography, travel, and the great outdoors. Staff Software Engineer at Google. sffc.xyz
TC39 @tc39.es new JavaScript who dis
Philip Chimento @ptomato.name Shades of grey are all that I find
Adam Shaw @arshaw.dev 📅 Creator of fullcalendar (fullcalendar.io)
⏳ Creator of temporal-polyfill (npmjs.com/package/temporal-polyfill)
🏠 arshaw.dev