Everyone wants to build AI tools. The hard part is proving they actually help. Watch as Jeff Otaño shares how OneBrief stopped chasing flashy demos, started measuring real outcomes, and used feedback loops to improve AI agents that fix production bugs. 🪲 youtu.be/LCKraOtFV-Q

AI may be changing software development, but it isn't replacing the need for junior developers. 🧑‍💻 Listen to Dylan Goings and learn why mentorship, diversity, and long-term knowledge transfer are more valuable than ever. youtu.be/S5XLYOsJ1u8

🧩 Design systems can't solve every UI problem. Watch as @jonathankeslin.com shares practical lessons for building shared components that scale across teams, with layered extensibility, sensible defaults, and escape hatches that keep both devs and products moving forward. youtu.be/haOndDHMGJQ

What happens when your "simple" API grows into an unmaintainable mess? 😅 This talk by @darius.cool explores the tradeoffs between configuration and composition, and why the right abstractions matter more than ever in the age of AI. youtu.be/dExasNlhVKM

What if AI agents use specs, not just prompts, to build software? Watch @ide.bsky.social, co-founder of @expo.dev, explain linked literate programming, a simple approach that keeps code, specifications, and intent in sync so AI can build more accurate, maintainable software. youtu.be/a8xYFd1ZLNQ

The best use of AI isn't writing code, it's helping you learn. 💡 Watch @daniel-mendoza.bsky.social's practical guide to mastering new frameworks by turning your AI assistant into a tutor instead of a code generator. youtu.be/foOOku3P9uQ

Ever click a button and wonder why your app freezes? 🤔 @cyatteau.bsky.social shows how web workers keep JavaScript apps responsive by moving CPU-intensive work off the main thread, with practical patterns for progress updates, cancellation, and debouncing. 📺️ Watch here! youtu.be/rh4RzLLPSis

Binge-watching this year's talk videos and getting serious FOMO? Don't miss out, join us in 2027! luma.com/cascadiajs-2...

CSS colors got a lot more powerful while most of us weren't looking. 🎨 In this talk @jdsteinbach.com demonstrates how features like light-dark(), relative colors, and contrast-color() can simplify theming, reduce design tokens, and make accessibility easier using browser capabilities.

What if the future of software development isn't one AI agent, but hundreds? 🤖 In this talk @joelhooks.com explores agent swarms, harness engineering, AI-powered workflows, and why the real challenge isn't building smarter agents, it's designing systems that make the best use of human attention.

AI coding agents are a lot like eager interns: they'll build exactly what you ask for... even when it's not what you meant 😅 In his CascadiaJS 2026 keynote, @erikch.bsky.social of AWS explains how spec-driven development helps teams get better results from AI coding tools. youtu.be/CGCLMky4OO8

JavaScript won the web. But more and more, when you peel back the covers, you see Rust 🦀 @francescociulla.bsky.social opened Day Two of CascadiaJS 2026 exploring why companies like Cloudflare and others are using Rust for performance-critical infrastructure, and where it fits alongside JavaScript.

Joe Duffy, Founder and CEO of @pulumi.com, closed out Day 1 of CascadiaJS 2026 with a look at what happens when AI agents move beyond writing code and start handling the messy world of infrastructure, deployment, and operations. youtu.be/SOMEfFNPsew

We were so excited to have @biilmann.blog, the founder and CEO of @netlify.com, kick off CascadiaJS 2026 with a keynote on the arrival of AX. AI agents are becoming users of our products, and Matt shares why the next frontier isn't just UX or DX, but AX. youtu.be/EXeCOsIu0Ps

Talks from CascadiaJS 2026 are going up, and we're going to kick things off with the epic closing keynote from @t3.gg where he dropped lakebed.dev and talked about how it's time for developers to rethink... everything! youtu.be/TV6f2weVgCI

Keep the community vibes going at @SeattleJS.com tonight! Hang out with fellow devs and hear talks on open payments on the web and AI-driven development workflows. First 50 people who arrive get $10 off of food & drinks at Just the Tap! luma.com/wlumxv7f?lm_...

This week I had the chance to attend #CascadiaJS. It was the first developer conference I’ve ever attended, and I’m still reflecting fondly on the experience. Thank you, @cascadiajs.com. Already looking forward to the next one. #CascadiaJS #SoftwareDevelopment

One of the best things that came out of @cascadiajs.com is this gif lmao @francescociulla.bsky.social

Posted some notes on @cascadiajs.com to my blog @graham.systems did I do this right? I installed and setup the @atmosphere.community plugin from @automattic.com. It doesn't look like a @standard.site card though, but maybe it's fine. www.tomresing.com/2026/06/04/f...

Wrote a good old-fashioned post-conference reflections post about @cascadiajs.com. You should read it! www.knut.fyi/blog/2026-06...

Such an epic conference! As always, I learned so much, met so many awesome people, and left more inspired than ever to go home and build cool things

CascadiaJS 2026 is a wrap! Thank you to our speakers, sponsors, staff, attendees and everyone who supported us along the way to make this event happen. We put 💯 Blind Bird tickets for CascadiaJS 2027 on sale, grab one before they sell out and lock-in your spot! 🌲 luma.com/cascadiajs-2...

As we were singing karaoke last night at @cascadiajs.com wrapping up a great conference, hours earlier we learned origin story or low-res imagery alongside karaoke songs. Why does this 1986 CD+G format still exist, and what’s a modern take on what you can build today? Check out Luis’ project.

Fun folks at @cascadiajs.com got me to do karaoke for the first time ever...

Thank you, Tom! I had so much fun at @cascadiajs.com

@cascadiajs.com was amazing. Thank you for the opportunity to speak to the amazing community, thank you to @storyblok.com for supporting me, and thank you all who attended my talk. The speakers, community, ans organizers are amongst the most passionate that I have ever encountered. Thank you ❤️

Welcome!

Thanks to CopilotKit for being a Gold Sponsor at CascadiaJS 2026 this year ❤️ CopilotKit is the agentic frontend stack & the company behind the AG-UI protocol. It's the easiest way for bring AI functionality (like Generative UI) to full stack apps. Learn more at: cascadiajs.com/2026/sponsor...

Harmonizing/screaming with super fun folks is always a great way to wrap up a tech conference. 😆🔥 @cascadiajs.com #CascadiaJS

I've been 👻 public work/tech/web spaces for *a while* but I'm popping my head up for @cascadiajs.com! I'm a frontend-focused engineer, utterly confused at what my job will look like in 2-3 years 😂 Would love to say hi and meet new faces too 👋 #cascadiajs

Second day of @cascadiajs.com. Had a great time yesterday meeting a bunch of new friends. Hoping for more today. Looking forward to @brittanyellich.com's talk on ATProto and @moonmeister.net performance talk.

We made a new friend at @cascadiajs.com ! Fue un gusto, Lily! #auth0 #CASCADIAJS

Dang boiii! @francescociulla.bsky.social absolutely killed his keynote!! I *almost* want to give Rust a try. 😜😜😜 @cascadiajs.com #CascadiaJS

Learning how to make bad language models from @mollyjeanbennett.bsky.social at @cascadiajs.com Leading with humor. Great audience response!

Quick conference selfie with @carter.rabasa.com - having a great time at @cascadiajs.com!!

Having fun and making friends at #cascadiajs! @cascadiajs.com

Thanks for teaching us about ATProto, @brittanyellich.com!! 🔥🔥🔥 @cascadiajs.com #CascadiaJS

@hami.sh and I popping in to say hello from @cascadiajs.com 👀

oh yeah you can play with the karaoke app now: npx loukai-app I probably should have said that during my talk. #cascadiajs @cascadiajs.com

@brittanyellich.com crushing it at @cascadiajs.com

Thanks to expo.dev for being a Gold Sponsor at CascadiaJS 2026 this year ❤️ Thanks to James Ide for that epic lightning ⚡️ talk on implementing the web on native with linked literate programming! Stop by their booth and learn how to build native apps with JS! cascadiajs.com/2026/sponsor...

Thanks to Render for being a Gold Sponsor at CascadiaJS 2026 this year ❤️ Stop by their booth and learn how to scale any app or agent from your first user to your billionth 🚀 If you want to get hands-on, check-out their workshop Tuesday morning at 10:45am! cascadiajs.com/2026/worksho...

I just landed in Seattle! I am super excited to talk at @cascadiajs.com tomorrow! I cant wait to meet you all! See you there! 😁😄 #cascadiajs #webdev

I'm going!

We went outside! But I don’t think this counts as touching grass. We definitely didn’t touch the gum wall either. 🤢🤣 @amandamartin.bsky.social @focusotter.bsky.social @francescociulla.bsky.social @cascadiajs.com

representing @buffer.com with @jacobchadwell.bsky.social at @cascadiajs.com! 🎉

See you all tomorrow!

Thanks to Onebrief for being a Gold Sponsor at CascadiaJS 2026 ❤️ Make sure to join them, and several other companies, at our Networking Mixer and Job Fair on Monday evening! Learn more at: cascadiajs.com/2026/sponsor...

@cascadiajs.com has been on my conference bucket list since forever. Next week, I’m finally going! Will I see you there?

I was going to go to @cascadiajs.com as a fun throwback to catch up with old friends and make new ones / see how the community has changed. I haven’t been in years but I can’t make it as life has happened. Happy to donate my premium ticket to somebody that can make it & could use it.