Segmentation faults are rare in JS, but server-side crashes and memory leaks still occur. Anna shows how native debuggers & tracing tools can uncover issues between JavaScript and native C/C++ code.

🎟️ Tickets: london.cityjsconf.org/

UX is changing with AI — from clicking clunky interfaces to speaking commands naturally. 🚀
@tej.as shows how JavaScript developers can adapt with practical tips and live demos.

🎟️ Tickets: london.cityjsconf.org/

Building Micro-Frontends? It’s not just code — it’s strategy. 💡
Join @lucamezzalira to learn 10 years of lessons, avoid common pitfalls, and design scalable micro-frontends like a pro.

🎟️ Get your tickets: london.cityjsconf.org/

Web development moves in cycles of hype. With AI and LLMs, we're entering 'vibe coding' — building software alongside AI instead of just writing syntax. Kitze 🚀 explores its impact on frontend dev and the future of coding.

🎟️ Tickets: london.cityjsconf.org/

Happy Women’s Day! 🌸

Celebrating women developers around the world who build, innovate, and inspire. Your dedication and hard work motivate more women to step into tech and keep pushing forward. Keep coding, creating, and leading the future! 💻🚀

#WomensDay #WomenInTech

💻 Take your Node.js to the next level! Hands-on workshop with @nodeland.dev: learn async patterns, advanced caching, worker threads & observability to scale high-performance apps.

Limited seats! 🎟️ london.cityjsconf.org/

Excited for @myopdev at CityJS Conf! 🚀

AI can generate React components in seconds, but integration, review, and shipping are the real challenge. Learn how to move from “AI can build it” to “AI can ship it” safely, with live demos and real-world examples.

🎟️ london.cityjsconf.org/

London is calling! And so @p_insogna from @platformatic who can achieve 93% Faster Next.js in (your) Kubernetes with Watt, you will need to attend our London event

Register your ticket
london.cityjsconf.org

Master JS the right way! Join Douglas Crockford (Douglas Crockford), author of How JavaScript Works & creator of JSON, to unlock higher-order functions in a hands-on workshop.

Get your ticket here: london.cityjsconf.org/

If you're a student or have recently been made redundant, we're here for you. Grab a discounted community ticket for just £75. As a community-first conference, we keep our prices accessible for everyone.

Register now:
london.cityjsconf.org

A Front-End Architecture that Makes Sense - Fotis Adamakis | CityJS Athens 2024 Find out more about CityJS Conferences: https://cityjsconf.org/ Speaker: Fotis Adamakis Talk: A Front-End Architecture that Makes Sense Description: One of the most critical and challenging aspects of a large-scale application is a good and reasonable folder structure. The goal is to apply modula

Explore scalable front-end architecture with Fotis Adamakis. Learn modular folder structures that reduce coupling, set boundaries, and make large apps easier to understand.

Watch Fotis Adamakis talk

Only 40 days to go! 🚀 We’ve got an incredible lineup featuring @tej.as Kumar, danielroe 🇺🇦, and Ananya Kittane Yogananda. Expect powerful talks, fresh insights, and the latest trends to help you thrive in the AI age.

Register now: london.cityjsconf.org

Forget simple chat windows! 💡 Benjamin Bartosch dives into building agentic microfrontends with A2UI—task-focused, team-owned, and fully interactive.

Secure your spot: 🎟️ london.cityjsconf.org/

Styled-components was chosen before I joined’ — a line every JS dev knows. @mo__javad shows how AI migrated 100+ components to Tailwind in days using agentic workflows to automate tasks, maintain consistency & modernize legacy JS—no months of PRs or tech debt.

🎟️ london.cityjsconf.org/

We’re lucky to welcome such talented speakers to CityJS London. Their talks will explore new trends, guide your development focus, and show how to better use your tools and skills. Don’t miss @kechieanyanwu, @codejagaban & @david_whitney.

Register now: london.cityjsconf.org

Join Faris Aziz for a hands-on React & Next.js workshop! Learn to build resilient, high-performance apps, master scalable architectures, optimize data fetching, and deploy like a pro. Perfect for teams scaling fast or launching new platforms.

Don’t miss out! 🎟️ london.cityjsconf.org/

Mo Khazali - In 2024, was Airbnb wrong to ditch React Native? as an argument against React Native - often times, without much of a look into the details. React Native has changed massively since 2018, and this talk will go over what React Native is and isn’t, break down the Airbnb article in detail, finishing up with a case for why you should use React Native

React Native is often criticized without much detail. Since 2018 it’s evolved. This talk covers what it is, breaks down Airbnb’s article, and makes a case for using it in 2023.

Watch now Mo Khazali talk

Thrilled to welcome Viktorija Buklajeva from ズープラ to our #WomenInTech panel at #CityJSLondon! Inspiring to hear women engineers share how they navigate challenges, grow their careers, and thrive in tech. 💜

Register now - london.cityjsconf.org

Next month we got our #CityJSLondon with 35+ exceptional speakers such as Faris Aziz
@Nikkitaftw and @nic_o_martin - lots to learn from our speakers #workshops and #talks, find all the latest trends and get ready for the new AI Age!

Register now
london.cityjsconf.org

Next month we got our #CityJSLondon with 35+ exceptional speakers such as Faris Aziz @Nikkitaftw and @nic_o_martin - lots to learn from our speakers #workshops and #talks, find all the latest trends and get ready for the new AI Age!

Register now
london.cityjsconf.org

Our Schedule is out - get to see 35+ talks from speakers such as rich harris @@carlyrichmond.bsky.social and naugtur - Find out all the latest trends in #JavaScript, Fullstack and AI

Register now - london.cityjsconf.org

This is why you should go to conferences to meet people like @lucamezzalira to get their technical wisdom and learn from their rich experiences, listen to what he had to say 2 years ago, the master of microfrontends. This talk is gold!

Jason Lengstorf - The Upside of Being Unreasonable This talk digs into the weird stuff I do for work, and how all of it required me to be fairly unreasonable about my approach to things. I could have done a lot of things that would have been perfectly fine with far less time and effort and struggle — but I instead chose to keep pushing toward my Big

I chose the hard, “unreasonable” path at work—pursuing Big Ideas™ no one else saw. Now I have a unique, fulfilling job, proving that pushing limits can lead to extraordinary outcomes.

Watch now @jlengstorf talk

We’re bringing together 35+ incredible speakers inc @matteocollina, @lucamezzalira & Anna Henningsen and many more. Are you really going to miss it?

Hands-on workshop a wide range of topics to help you level up your skills & stay ahead of the latest trends

Secure your 🎟️ london.cityjsconf.org

What is CityJS, is it a conference? No it is all about development, those contribute to Open Source, those who work long hours, those teams who get projects out together it is our celebration!

Very thrilled to announce @ImagekitIo as our #GOLD #Sponsor for #CityJSLondon 2026 edition, Optimize, transform, manage and deliver images and video with one real-time API and an AI-powered Digital Asset Management platform.

More information
tinyurl.com/imagekit...

The decision to use styled-components was made before I joined.” We inherit tech debt. Even after its 2025 deprecation, styled-components still runs many apps. We used AI to migrate 100+ components to Tailwind CSS in days—not months.

Join us to hear from @mo__javad
london.cityjsconf.org

Rich Harris - Await for it Asynchrony is everywhere in web development. Taming it is hard. Can compilers help?

Asynchrony is everywhere in web development. Taming it is hard. Can compilers help?

Watch now @Rich_Harris talk

CityJS isn’t just a conference — it’s a celebration of the developers behind the code we use every day. It honors open-source maintainers and contributors who power our ecosystem & help companies thrive.

Celebrate now - Register now at london.cityjsconf.org

💥 Slow iFrame, frustrated users, lost revenue in Brazil?
@byeduardoac shows how his team turned it into a blazing-fast, data-driven payment platform. Bold architecture, real performance data, Vue.js under the hood — lessons beyond any framework.

🎟️ london.cityjsconf.org/