Schedule of Events
The CascadiaJS conference takes place on Sept 18 and 19 at Town Hall Seattle. But there will be almost an entire week of of activities surrounding the conference, and we'll add more events as they come on! As we get closer to the conference we'll share a detailed schedule.
Pre-Conference
Mon, Sept 15 - Training Workshop - TypeScript & Deno Foundations
Ready to level up your JavaScript skills? In this full-day workshop from Moon Highway you'll dive into TypeScript and Deno to build more reliable applications.
Tue, Sept 16 - Training Workshop - Developer Productivity with AI
AI is changing how we write code, and you're about to become fluent in these new tools. In this full-day workshop from Moon Highway you'll explore everything from basic AI integration to building sophisticated AI agents that can help with development tasks.
Wed, Sept 17 - Training Workshop - Modern React & Data Management
In this full-day workshop from Moon Highway you'll explore what makes modern React applications truly powerful. We'll combine Server Components with robust data management patterns to build fast, scalable apps that your users will love.
CascadiaJS 2025
Wed, Sept 17 - Welcome Reception
We're holding a Welcome Reception at Town Hall from 6:00pm - 8:30pm so you can get your badge, pick up swag and meet fellow attendees. Come by and have a drink on us! Attending by yourself or want to meet more people? Sign up for Cascadia Connect and we'll introduce you to another attendee so you can get a head start on growing your network.
Thu, Sept 18 - Day One
The doors will open at 8:00am for registration and a full day of talks. Drop your kids off at the free childcare, grab a coffee and get ready for powerful talks packed with insights, stories, and real-world advice to fuel your work and leave you inspired. A light breakfast, lunch, and coffee will be provided.
Post-talk Hangouts
Looking for some new friends to have dinner with? We're going to set up a board for attendees to sign up for small group hangouts. Stay tuned for more information on this.
SeattleJS After Party
Our friends from SeattleJS are planning a rooftop BBQ. More information coming soon.
Fri, Sept 19 - Day Two
We'll have another full day of talks, followed by dinner and a Closing Party you don't want to miss. Unwind with food, drinks, and great company. You’re not just attending a conference—you’re joining a community. Stick around for DJ SummerSoft and karaoke from Baby Ketten.
Speakers & Topics
- Adam Argyle – Oops, CSS Got Away From Me... Send Halp!
- Alex Clemmer – Lies I Was Told About Collaborative Editing
- Amber Hoak – Unlocking User Insights With LLMs to Design Smarter UI and Flows
- Annie Sexton – JavaScript: The Origin Story
- Anthony Dellavecchia – AI-Powered Magic, Live on Stage
- Anton Zalaldinov – Third-Party Scripts, Surviving the Wild West of the Web
- Bree Hall – Coding for the Senses
- Brittany Ellich – From Rewrites to AI Agents for App Modernization
- Cat Johnson – AI and Accessibility: We Got a Lot to Talk About
- Charlie Gerard – Motion Control With Multimodal AI
- Chris Griffing – ATProto Can Be as Simple as a WebSocket
- Courtney Yatteau – AI-Powered Gamification for the Web
- Dave Kiss – Let's Destroy the Video Player
- Erik Hanchett – When Vibe Coding Isn’t Good Enough
- Gant Laborde – Think Fast: OnDevice Vector Features
- Isabela McLenachen – Becoming a Code Review Champ
- Ishan Anand – View Source for AI: GPT in Vanilla JavaScript
- Jack Herrington – Is The Model Context Protocol (MCP) Web 4.0?
- Jeremy Elbourn – There's No Such Thing As Web Components
- Justin Castilla – Observability Now! Building a Case for Hybrid Instrumentation
- Justin Rastelli – What's in Your <head>
- Kenny Daniel – Pushing the Limits of Big Data in the Browser
- Kent C. Dodds – The New User Interaction Model
- Kevin Dela Rosa – AI That Gets the Picture: Building Video-Aware Assistants
- Kristen Hewell Garrett – Escaping Reactivity Hell: Why State Feels Hard (and What to Do About It)
- Rachel Lee Nabors – The Death of the Browser
- Ryan Roemer – A World Without Builds
- Sean C. Davis – Seeing Beyond the Framework Illusion
- Shruti Kapoor – React & Next.js in 2025- Modern Best Practices for Faster, Smarter Apps
Post-Conference
Sat, Sept 20
Seattle AI Hackathon
Don't want to the good times to end? We don't want you to leave either, so we're planning a hackathon. More information coming soon.
Outdoor Activities
Get out and about in Seattle with some fellow attendees! Whether you're into running a 5k, playing pickleball, or a chill hike, we'll have an activity for you. More information coming soon.
Our Sponsors
Testimonials
I LOVE CascadiaJS. Incredible conference in a beautiful city with solid lineups, wonderful staff, and just the right amount of silly. Also @crtr0 at karaoke. 💙
— Josh Goldberg 🦋 (@JoshuaKGoldberg) June 22, 2024
Congrats & thanks again for such a wonderful time! https://t.co/3jhkI8O6Su
I 💚 CascadiaJS bc it feels like the cool, cult classic of JS events.
— Michelle Bakels (@MichelleBakels) March 28, 2025
It’s got everything — a dedicated fan base of 10+ years, close family vibes, long held traditions (the best karaoke!), sublime locale, and a flair for the atypical/creative conf sessions.
Def apply + attend! https://t.co/yqrEbh0icL
The reason why @CascadiaJS is one of my favorite conferences is because you can truly feel the passion and care that everyone puts into it. There's a real sense of community, it's amazing 🙌👏💜
— Charlie Gerard (@devdevcharlie) September 2, 2022
Once again, @CascadiaJS did not disappoint—I love that we have a community-focused conference right in the PNW. It's always inspiring to hear about what people are making, stretch my perspective, and meet new friends.
— Mark Palfreeman 🪐 (@markpalfreeman) September 3, 2022
Also Sunriver resort was awesome 🤘#CascadiaJS pic.twitter.com/SKlPeHibHE
Happy 10th Birthday @CascadiaJS, and thanks to @crtr0 and @carrie_k for shepherding this amazing conference! Can't wait for #CascadiaJS 2024! pic.twitter.com/Pu8p0oewer
— Jeremy's got a #NewThing 🇺🇲🇺🇦 (@IAmJerdog) September 2, 2022
On my way out of @CascadiaJS, feeling grateful for the work that @crtr0, his family, the staff and volunteers, sponsors, speakers, and all put into this family reunion.
— Tejas Kumar (@TejasKumar_) September 3, 2022
Some wonderful memories were made, and the combination of nature and lovely people made it so special. pic.twitter.com/F4JC0318pe
Wow, what a week at @CascadiaJS! Our team thoroughly enjoyed connecting with other engineers, learning from various talks, & experiencing beautiful Sunriver, OR. We wanted to thank everyone who helped organize this event; it was spectacular, and we cannot wait to be back in 2024. pic.twitter.com/vCO33rBTFa
— Formidable, Now Nearform (@FormidableLabs) September 6, 2022
I'm absolutely blown away by how much @cartwr and the entire team @CascadiaJS lifts up and highlights the people who contribute to and make this conference so special. This is what a conf that focuses on community looks like! 🌲 #cjs19 pic.twitter.com/Yh0CdOzVyx
— Divya (@shortdiv) November 9, 2019
I absolutely LOVED MCing @CascadiaJS! This was such a well organized conference, huge kudos to the speakers, the organizers, the sponsors, and of course the audience + community for making it great. It was a pleasure!! #cjs20 pic.twitter.com/EhqjhYJEVY
— Cassidy (@cassidoo) September 3, 2020
Attended #CascadiaJS last week! Awesome speakers/workshops and very well done virtual/hybrid experience! Can't recommend it enough for developers no matter where they are in their coding journey! 🖥️🌲#webdevelopment #javascript #CascadiaJS2021 #PNW pic.twitter.com/imknQzJmBZ
— Nathan Pickard (@NathanPickard) November 8, 2021
Had an amazing time at @CascadiaJS. See you next year! pic.twitter.com/eJYIkqHVMf
— Treasure Porth (@treasureporth) November 13, 2019
I was honored to participate in #CascadiaJS again this year. I've been so impressed again with all the creativity and effort the organizers, speakers, and community puts into making it a uniquely fun event. ✨ pic.twitter.com/x0byI4utED
— Nicole Oliver (@nixcodes) November 5, 2021
Huge shoutout to the @CascadiaJS organizers for a truly unique experience that went above and beyond anything I could have imagined. You could really feel their passion for the community and the time, attention, and care they put into every single aspect. THANK YOU!! ❤️🌲 #cjs20 pic.twitter.com/5NH2FVfMA2
— Rachael Thomas (@rachael_codes) September 3, 2020
Yeah, tonight was great. #CascadiaJS pic.twitter.com/4hHgTP46fg
— Jessica West (@jessicaewest) November 5, 2021
Awesome @CascadiaJS afterparty at the @LivingComputers
— Welling Guzmán (@wellingguzman) November 17, 2018
I had so much fun. #CJS18 pic.twitter.com/xUiF2iupz6
I can't thank @crtr0, the @CascadiaJS team, and the conference sponsors enough for the opportunity to attend #cascadiajs! Everyone was so encouraging and welcoming, I'm thrilled to bring back what I learned to @MakeThinkCode & @pnca. pic.twitter.com/5hVyhcmyUL
— meganmckissack (@meganmckissack) November 19, 2018