ReactJS Barcelona

Barcelona community for ReactJs enthusiasts. Hosting meetups for the React Ecosystem

[ReactJS Barcelona @ReactJsBCN]

Happy Valentine's Day to the React Ecosystem!

@ReactNorway @ReactAdvanced @madewith_react @ThisWeekInReact @react_mumbai @reactnative @ReactMiamiConf @ReactSummit @ReactBangalore @reactjs @reactsydney @ReactJSNews @reactdevske @reactjsday @ReactjsParis @ReactJSTrends

❤️❤️❤️

[ReactJS Barcelona @ReactJsBCN]

New Meetup alert 🚀 Hosted by @Revolut

ReactJS Barcelona - March 2026

https://t.co/fpYUbx9O4H

[ReactJS Barcelona @ReactJsBCN]

What's new in React 19.2: Activity Component

https://t.co/yEd4pLnZMG

[Neciu Dan @neciudan]

I sat down with @dai_shi, creator of Zustand, Jotai, Valtio, and Waku

We discuss:

- Zustand vs Jotai vs Valtio
- Why Jotai avoids selectors
- Waku & RSCs
- Much more

➡️ Watch: https://t.co/a93gQo1vaL

#react #zustand #jotai #opensource #softwareengineering

[ReactJS Barcelona @ReactJsBCN]

Last night we had our last meetup of the year 🚀🚀🚀

And what a fantastic event we had. Thanks to @Lodgify and @motanelu for hosting!

Thanks to our excellent speakers Oscar and Bernabe, who wowed us with two outstanding presentations

See you next time!

[Neciu Dan @neciudan]

🎙 New episode of Señors @ Scale is out!

This time with @NoriSte , Senior Front-End Engineer &

Tech Lead at Preply — we talk about scaling design systems, balancing perfectionism with pragmatism, and working in public.

Watch here 👇
https://t.co/u011dLjold

[ReactJS Barcelona @ReactJsBCN]

ReactJS Barcelona meetup replay is live 👇

Dealing with Memory Leaks in Production
Practical Guide to Animation in React - @krambertech

👀 Real prod leak from Sim Local
👀 CSS → spring motion → view transitions → accessibility

🎥 https://t.co/gtVjUK0uMz

Like and Subscribe

[ReactJS Barcelona @ReactJsBCN]

What a blast we had at our event last night!

Thanks @n26 for hosting us!

Thanks, @krambertech, for giving such an amazing talk!

[ReactJS Barcelona @ReactJsBCN]

🔥 New Meetup Alert 🔥

Join us in Barcelona, October 7th at @n26 HQ to talk about memory leaks and animations in React!

We have two amazing speakers: @krambertech and Asier Aduriz Saiz!

Save a spot here 👇

https://t.co/460YUI3OG6

[ReactJS Barcelona @ReactJsBCN]

🔥 New Meetup Alert 🔥

Join us in Barcelona, October 7th at @n26 HQ to talk about memory leaks and animations in React!

We have two amazing speakers: @krambertech and Asier Aduriz Saiz!

Save a spot here 👇

https://t.co/460YUI3OG6

[ReactJS Barcelona @ReactJsBCN]

Last night was amazing! 🔥🔥🔥

Thanks to everyone who made it to our biggest meetup yet!

A huge thanks to our speakers Yasminn Vaz and Jordi López Galera for some top-notch presentations around testing and ESLint.

Hope to see everybody again soon.

[ReactJS Barcelona @ReactJsBCN]

The July ReactJS Barcelona meetup wrapped up last night.

Thanks for everyone who joined! We had a blast! Thanks for @PreplyCom for hosting and our amazing speakers @cssorlandi and Thomas Steiner!

[ReactJS Barcelona @ReactJsBCN]

Let's get ready to rumbleeee! Tomorrow July 15th we will have an amazing event at the Preply HQ.

[ReactJS Barcelona @ReactJsBCN]

Quick Update:

For the July Meetup, we received considerable interest from attendees (100+ RSVPs), so we decided to relocate the Meetup to a larger venue to accommodate more people.

The new location: @PreplyCom HQ Doors open at 18:00, and we start at 18:30.

[ReactJS Barcelona @ReactJsBCN]

New Meetup Alert 🚨

Re-thinking Next.js: Why We Picked Astro for Kleinanzeigen's High-Traffic Frontend

And

Mapping the Future: Building Interactive Dashboards with Mapbox/MapLibre and Vector Tiles in React

And of course! Beers and Pizza!

https://t.co/7vvdpTE499

[Neciu Dan @neciudan]

@ReactJsBCN April meetup! One day after country wide power outage! Thanks for everyone who came

[ReactJS Barcelona @ReactJsBCN]

Hello, beautiful ReactJS Developers,

I hope everybody is safe after yesterday's Power Outage. I'm writing to let you know that the ReactJS Meetup is still happening tonight, 19:00, at the CareerOS Offices

Thanks a lot! See you tonight!

[ReactJS Barcelona @ReactJsBCN]

New event! 29th of April!

https://t.co/onLoIRZazT

Grab a seat!

[Neciu Dan @neciudan]

When I started Frontend Development, I had to build HTML & CSS from Photoshop.

This process could take days.

The Design Process has improved dramatically with Figma, but only now can you build Figma components in seconds with AI.

Like and subscribe ❤️

https://t.co/VXLpZK9NPh

[Neciu Dan @neciudan]

Memorization in 60’