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A Web + AI conference for the Pacific Northwest

CascadiaJS is a community-driven conference for developers in the PNW and beyond. You will hear from 40+ speakers, connect with 500+ fellow devs, and explore the latest in web and AI technologies with some of the top companies in the industry.

Date
Sept 17-20, 2025

Main Event
Town Hall
Seattle, WA 🇺🇸
YVR Edition
BCIT
Vancouver, BC 🇨🇦
Sasquatch driving a camper van

CascadiaJS is an annual reunion of web developers in the Pacific Northwest and beyond, where friends new and old meet to celebrate our unique community, share knowledge and explore ideas on the cutting edge of the web, JavaScript and AI.

We are a conference for devs by devs. You'll hear technical talks from top engineers, get connected to industry-leading companies and discuss what you've learned during our hallway track with 500+ other attendees.

This is an event designed to help you level up your skills, build your network and have fun for a few days in the beautiful PNW.

Speakers

photo of Peter-Paul Koch
Talk Info Coming Soon
Peter-Paul Koch
Amsterdam, Netherlands
photo of Rachel Lee Nabors
Talk Info Coming Soon
Rachel Lee Nabors
London, United Kingdom
photo of Jack Herrington
Talk Info Coming Soon
Jack Herrington
Portland, OR, USA
photo of Kent C. Dodds
Talk Info Coming Soon
Kent C. Dodds
Salt Lake City, UT, USA
photo of Shruti Kapoor
Talk Info Coming Soon
Shruti Kapoor
Seattle, WA, USA
More speakers coming soon!

Features

illustration of Town Hall

Town Hall

Our venue is a beautiful historic building located within walking distance of downtown, Capitol Hill, and several light rail stops.

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30+ Awesome Speakers

You’ll hear from a diverse lineup of speakers covering everything from the latest in web and JavaScript to the interaction of web technologies and AI.

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Hallway Track

Take advantage of breaks, meals, evening events and organized ice breakers to meet people, connect and grow your network!

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Treats Galore

Your full conference ticket includes access to multiple social events, yummy snacks, unlimited coffee and and the best conference swag around!

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Accessibility

From our Scholarship Program to hosting CascadiaJS in an accessible venue, our goal is to make this event available to as many people as possible and build an inclusive community for web developers.

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Top Web + AI Companies

Our Expo Hall will be filled with many of the top companies building tools in the web and AI space. Stay tuned for more updates on who will be exhibiting this year!

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Hacker Train

If you live in Portland, OR or Vancouver, BC there is no better way to get to CascadiaJS than to join your fellow devs on the Hacker Train. Ditch the car, make some friends and fork repos on the train Wi-Fi as you head to Seattle.

illustration of inside the train

Karaoke

We’re continuing our annual tradition of closing out the conference with an epic night of karaoke, and we’ve hired one of the PNW’s best karaoke DJs to help us do it. Don’t miss it!

illustration of a karaoke screen

Outdoor Activities

On the Saturday after the conference, we're going to organize some activities so that folks can explore the Seattle area, get some fresh air and have some fun!

Organizers and Volunteers

photo of Carter Rabasa
Carter Rabasa
Lead Organizer
Seattle, WA
photo of Carrie Rabasa
Carrie Rabasa
Co-Organizer
Seattle, WA
photo of Jason Lengstorf
Jason Lengstorf
Emcee
Portland, OR
photo of Allan Deutsch
Allan Deutsch
Seattle Lead
Seattle, WA
photo of Bibiana Souza
Bibiana Souza
Vancouver Lead
Vancouver, BC
photo of Yujian Tang
Yujian Tang
AI Lead
Seattle, WA
photo of Kate Pond
Kate Pond
Hallway Track
Seattle, WA
photo of Sarah Guthals
Sarah Guthals
Talk Review
Seattle, WA
photo of Andre Wiggins
Andre Wiggins
Talk Review
Seattle, WA
photo of Jim Liu
Jim Liu
Talk Review
Seattle, WA

Our Sponsors

platinum
GenSX logo
gold
Cloudflare logo
Elastic logo
silver
Inter Ledger Foundation logo
SignalFire logo
Atono logo
bronze
Mastra logo
community
SeattleJS logo
VanJS logo
AI Portland logo
Bellingham Codes logo
Code & Coffee logo
OSS4AI logo
Viata logo
CodeDay logo
NewTech Northwest logo

Testimonials