Only Until July 24: ✓ Save up to $600 ✓ 4-Day Special ✓ Access to Parallel Conferences for $250

Only Until July 24: ✓ Save up to $600 ✓ 4-Day Special ✓ Access to Parallel Conferences for $250

BIS ZUM 21. AUGUST: ✓ Bis zu 560€ sparen ✓ 10% Teamrabatt ✓ Gadget gratis

UNTIL AUGUST 21: ✓ Save up to 560€ ✓ 10% Team Discount ✓ Gadget for free

Thanks For Another Great Conference Week: ✓ See you Next Year June 01 – 05, 2026 ✓ Stay Tuned and Register for Our Newsletter

Thanks For Another Great Conference Week: ✓ See you Next Year June 01 – 05, 2026 ✓ Stay Tuned and Register for Our Newsletter

Thanks For Another Great Conference Week: ✓ See You in 2026 ✓ Stay Tuned and Register for Our Newsletter

Thanks For Another Great Conference Week: ✓ See You in 2026 ✓ Stay Tuned and Register for Our Newsletter

The Conference for Fullstack
JS Development

September 29 - October 3, 2025 | New York and online
New York Marriott at the Brooklyn Bridge
Expo: September 30-October 1, 2025

Early Bird Ends In:

Build and Secure High-Performance JavaScript Applications:
Angular, React, and Node.js in Action

Master Modern JavaScript:
Practical Techniques from Progressive Web Apps to JAMstack and AI-Driven Innovations

Optimize and Fortify Your JavaScript Stack:
Best Practices in Full-Stack Development

Innovate with JavaScript:
Hands-On Solutions Using AI, WebAssembly, and Modern Web Technologies

Conference Tracks

Explore our main topics: Click the icons to discover the latest trends of 2025

Angular Development

DevOps & CI/CD

Generative AI in JavaScript

JavaScript Testing & Security

Node.js & Backend

React.js & Next.js Development

Web Architecture & Performance

Program Highlights 2025

Conference Day | September 30-October 1, 2025

Workshop Days | September 29 & October 2, 2025

To the program
25
Years of IT Conferences
10
+
JavaScript Training
5
Editions Worldwide
4000
+
Satisfied Participants

5 Reasons to attend
iJS New York

Power Workshops
with hands-on coding
check icon
check icon
Learn
about the latest innovations
4 Full Days
with workshops, sessions, and keynotes
check icon
check icon
Networking
with an international community of JavaScript enthusiasts
40+ Speakers
and iJS masterminds from around the globe
check icon

Speaker Lineup 2025

All Speakers

The Choice is Yours!

Join Us Live In NYC!

Join Us Live In NYC!

✓ Stylish conference hotel in a fantastic location!
✓ Enjoy exclusive hotel deals
✓ Get to know the trainers personally
✓ Network and exchange experiences with like-minded people

Get On-Site Tickets!
Join us From Wherever You Want!

Join us From Wherever You Want!

✓ You Decide The Location and Place!
✓ First-Class Online Conference Platform
✓ Interactive Highlights and Surprises
✓ Network Virtually and Exchange Experiences


Get Remote Tickets!
 

Get Your devmio Fullstack Discount

Unlock a $300 discount on International JavaScript Conference tickets and enjoy unlimited access to expert content, live events, tutorials, and more with your devmio Fullstack membership. Register now through devmio New York Week and claim your free 1-year membership today!

Find Out More

ON-SITE ADVANTAGES

Conference Experience
Conference Experience

Enjoy a classic conference experience in the comfortable conference hotel.

In-Person Networking
In-Person Networking

Plenty of opportunities to network with speakers, exhibitors, and attendees.

Quality Catering
Quality Catering

First-class catering with coffee breaks including snacks in the morning and afternoon, a lunch buffet, including drinks and snacks at the Expo reception.

Certificate
Certificate

Get an official International JavaScript Conference certificate, certifying your participation.

Secure Your Spot

BOOK NOW & BENEFIT FROM THE EARLY BIRD OFFERS UNTIL JUNE 12

Early Bird prices:

Early Bird prices: Save up to $960

Free Workshop Day:

Free Workshop Day: When booking a 3-Day pass

Access to devmio:

Access to devmio: One year Fullstack access + 6 months access to video recordings

Devmio New York Week offer:

Devmio New York Week offer: Upgrade your ticket for $250 and get access to parallel conferences

Group Discount:

Group Discount: Save 10% when you buy 3 or more tickets



All Conference days + Bootcamp Days
from $2,249*
instead of $2,669
MORE INFO

Ultimate Knowledge Experience

Add a workshop and enjoy these 5-day specials
+ 1 year Fullstack Access to devmio
+ FREE session video recordings for 6 months
MORE INFO


4-Day Pass
from $1,799*

instead of
$2,399
MORE INFO

 

 

 

The Complete Conference Experience

+ 1 year Fullstack Access to devmio
+ FREE session video recordings for 6 months
MORE INFO


3-Day Pass
from $1,529*

instead of
$1,899
MORE INFO

 

 

 

The Classic Experience
MORE INFO


2-Day Pass
from $1,169*

instead of
$1,499
MORE INFO

 

 

 

Express Experience – Choose 2 Days Freely
MORE INFO


Conference Day
from $629*
instead of
$799
MORE INFO

 

 

One Day, Maximum Insights: Your Quick Conference Experience

MORE INFO


Workshop Day
from $629*
instead of
$799
MORE INFO

 

 

 

Deep Dive Workshop – Intensive Knowledge in 1 Day
MORE INFO

*incl. 10% group discount when buying 3 or more tickets

Book Now

Past Participants

Impressions

impression card 1
impression card 2
impression card 3

Mastering Type-Level Programming in TypeScript Cheat Sheet

Download the latest JavaScript Cheat Sheet!

In this cheat sheet by Peter Kröner, you’ll find insights on type inference, const assertions, type aliases, function overloads, declaration merging, and generic types with conditions. It also covers advanced topics like union types, intersection types, and structural subtyping.

Download

Register now for the newsletter and get the cheat sheet for FREE!

STAY UP TO DATE!
Sign up for our newsletter and learn more about iJS

Need More Information?

Have a question? Visit our FAQ page for all the details you need.

Ready to join? Secure your spot now by booking your ticket!

Visit the FAQ Page

Discover answers to common questions, including timings, on-site and online experience and more.

Book Your Tickets

Don’t miss out! Secure your ticket today to connect with like-minded tech enthusiasts.

Turn a 'Maybe' into a 'Yes': Convince your Boss to Approve iJS New York 2025

iJS gathers like-minded professionals to learn, share, and grow. Join us in New York where industry leaders and innovators will come together to exchange insights, share experiences, and chart the course for the future of Javascript. Don’t miss this opportunity to elevate your craft, expand your network, and be a part of shaping the next wave of innovation. Click below for a ready-to-use email template to convince your boss and secure approval!

Location

New York Marriott at the Brooklyn Bridge

333 Adams St. Brooklyn, NY 11201, United States

The hotel is minutes from many amazing New York attractions and is one of downtown Brooklyn’s most exciting hotels. Situated moments from the Brooklyn Bridge and just across the East River from Lower Manhattan, the hotel provides guests with an inspired vantage point to work, play and relax. Dine at one of the two restaurants, The Bar and Brooklyn Pantry, where locally-sourced cuisine and Brooklyn Winery vintages take center stage. Make a splash in the indoor pool, reboot in the fitness center which features Peloton Bikes.

To Location
impression card 1
impression card 2
impression card 3