A JavaScript conference for the Pacific Northwest


Date
Sept 17-20, 2025

Venue
Town Hall
Seattle, WA, USA

CascadiaJS 2025 is coming BACK to Seattle, WA and will run from Sept 17 - 20. We'll host a Welcome Reception on Sept 17, have 2 days of talks on Sept 18 and 19 and get out and about the Seattle area for a day of activities on Sept 20!

Sasquatch driving a camper van

Features

illustration of Sunriver Resort

Town Hall

Town Hall Seattle is a landmark historic building located within walking distance of Downtown and Capitol Hill. It's where we held CascadiaJS in 2019 and we can't wait to be back!

illustration of a microphone

20+ Awesome Speakers

We are being joined by a wonderful line-up of speakers covering everything from the latest in the web/JS to building with AI.

illustration of merit badge

Hands-on Workshops

Running parallel to the talks, there will be hands-on workshops to choose from if you care to roll-up your sleeves and do some coding.

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All Inclusive

Your ticket includes access to all the talks, meals, social events and post-conference activities!

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Accessibility

In order to build an inclusive community for web developers we work hard to make our event as accessible as possible. Stay tuned for more info on this!

illustration of a pickleball racquet

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!

Past Sponsors

Temporal logo
Stytch logo
DataStax logo
Codingscape logo
Infobip logo
TBD logo
Sentry logo
HookDeck logo
LangChain logo
Google logo
Begin logo
Mux logo
Cloudinary logo
CodeCrafters logo
SeattleJS logo
Seattle Node logo
Seattle React.js logo
Portland Angular.js logo

Testimonials