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

See You Next Year!

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

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

5 Reasons to attend
iJS London

Hands-On Workshops
Learn by coding – not just watching
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Real-World JavaScript
Solutions for modern frontend &
backend development
5 Packed Days
Workshops, sessions, and expert keynotes
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Global Community
Connect with experienced JavaScript
developers
40+ Experts
Learn from leading minds in the
JS ecosystem
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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 Days | May 13 & 14, 2025

Workshop Days | May 12 & 15, 2025

Explore more Program

Speaker Line-Up 2025

Explore more Speakers

Participated in the Past

The Choice is Yours!

Join Us Live In London!

Join Us Live In London!

✓ 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!

Secure Your Spot

SPECIALS UNTIL CONFERENCE STARTS:

Access to Devmio:

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

Devmio London Week offer:

Devmio London 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 £1979*
instead of £2199
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Ultimate Knowledge Experience

Add a workshop and enjoy these 5-day specials
+ devmio Fullstack Access
+ FREE access to video recordings for 6 months
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4-Day Pass
from £1529*

instead of
£1699
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The Complete Conference Experience

+ 1-year Fullstack access to devmio
+ Free access to video recordings for 6 months
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3-Day Pass
from £1259*

instead of
£1399
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The Classic Experience

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2-Day Pass
from £989*

instead of
£1099
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Express Experience – 2 Days free to choose
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Conference Day
from £647*

instead of
£719
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One Day, Maximum Insights: Your quick conference Experience
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Workshop Day
from £647*

instead of
£719
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Deep Dive Workshop – Intensive Knowledge in One Day!

More Info

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

Book Now

Join the AI Agents Bootcamp

Enhance your JavaScript experience by adding an additional 2-day intensive AI Agents camp to your ticket—an unparalleled opportunity to deepen your expertise while immersed in learning. Unlike other sessions that may focus on theoretical overviews, this workshop dives deep into practical development, allowing participants to create fully functional LLM-powered agents.

Tailored specifically for JavaScript developers, this workshop bridges familiar tools with cutting-edge AI development—perfect for those looking to expand their skill set without learning an entirely new language. Maximize your conference experience by joining the camp and walk away with actionable knowledge that sets you apart.

To the Bootcamp

EXPAND YOUR KNOWLEDGE. UPGRADE YOUR ACCESS. ENJOY A MULTI-CONFERENCE EXPERIENCE

This conference is part of a multi-conference event that offers an opportunity to expand your knowledge beyond your specialty. Gain a fresh perspective by adding the conference days of any of our sister conferences happening in tandem with API Conference. Move seamlessly between all booked conferences, on-site or online. Don’t worry about missing anything because you will also receive six months of access to video recordings of all booked conference days.

Get your upgraded tickets today, and also enjoy one year of Fullstack Access to devmio for free!

Impressions

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Mastering Type-Level Programming in TypeScript

Download the 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 now

devmio FULLSTACK SUBSCRIPTION

Conference discount for devm.io fullstack subscribers

Get an exclusive discount on the iJS Conference with the Fullstack subscription and gain access to thousands of developer articles, expert contributions, live streams, and tutorials.

Sponsors & Exhibitors

STAY UP TO DATE!
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 London 2025

iJS gathers like-minded professionals to learn, share, and grow. Join us in London 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!

STAY UP TO DATE!
Learn more about IJS

Location

Park Plaza Victoria London

239 Vauxhall Bridge Road, London SW1V 1EQ, United Kingdom

The four star, deluxe Park Plaza Victoria London hotel is centrally located just two minutes from Victoria Station and is within walking distance of some of the city’s main tourist attractions, including Buckingham Palace, Harrods, Westminster Abbey and the Houses of Parliament.

To Location
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EXPAND YOUR KNOWLEDGE. UPGRADE YOUR ACCESS. ENJOY A MULTI-CONFERENCE EXPERIENCE

This conference is part of a multi-conference event that offers an opportunity to expand your knowledge beyond your specialty. Gain a fresh perspective by adding the conference days of any of our sister conferences happening in tandem with iJS Conference. Move seamlessly between all booked conferences, on-site or online. Don’t worry about missing anything because you will also receive six months of access to video recordings of all booked conference days.
Get your upgraded tickets today, and also enjoy one year of Fullstack Access to devmio for free!

UPGRADE NOW