The Conference for Fullstack
JS Development
May 12 – 16, 2025 | London or Online
Park Plaza Victoria London
Expo: May 13 – 14, 2025
Park Plaza Victoria London
Expo: May 13 – 14, 2025
CONFERENCE STARTS IN:
25
+
Years of IT Conferences
10
+
JavaScript Training
5
Editions
Worldwide
Worldwide
4000
+
Satisfied
Participants
Participants
5 Reasons to attend
iJS London
Hands-On Workshops
Learn by coding – not just watching
Real-World JavaScript
Solutions for modern frontend &
backend development
backend development
5 Packed Days
Workshops, sessions, and expert keynotes
Global Community
Connect with experienced JavaScript
developers
developers
40+ Experts
Learn from leading minds in the
JS ecosystem
JS ecosystem
Conference Tracks
Explore our main topics: Click the icons to discover the latest trends of 2025
Program Highlights 2025
Conference Days | May 13 & 14, 2025
Workshop Days | May 12 & 15, 2025
Participated in the Past
The Choice is Yours!
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!
✓ Enjoy exclusive hotel deals.
✓ Get to know the trainers personally.
✓ Network and exchange experiences with like-minded people.
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!
✓ First-Class Online Conference Platform.
✓ Interactive Highlights and Surprises.
✓ Network Virtually and Exchange Experiences.
Secure Your Spot
SPECIALS UNTIL CONFERENCE STARTS:
Access to Devmio: One year Fullstack access + 6 months access to video recordings
Devmio London Week offer: Upgrade your ticket for £250 and get access to parallel conferences
Group discount: Save 10% when you buy 3 or more tickets
3-Day Pass
The Classic Experience
2-Day Pass
Express Experience – 2 Days free to choose
Conference Day
One Day, Maximum Insights: Your quick conference Experience
Workshop Day
Deep Dive Workshop – Intensive Knowledge in One Day!
*incl. 10 % group discount when buying 3 or more tickets, plus VAT
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.
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
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.
STAY UP TO DATE!
Learn more about IJS
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!
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.
