New Señors @ Scale episode is out: Micro-Frontends at Scale (Part 2) with @lucamezzalira, author of Building Micro-Frontends (O’Reilly 2nd Ed). We talk about scaling frontends for 500 engineers and building architectures that last. Watch here 👉 youtu.be/-mb6b9mRT2g

📷 Early Bird Alert! Don’t miss @cityjsconf.bsky.social London 2026 — early bird tickets are live until the end of November! Hear from legends like Douglas Crockford, Matteo Collina, Tejas Kumar, Anna Henningsen, Rich Harris, and Kitze. PS: I am also there 📷 ti.to/cityjsconf-l...

🎙 New episode of Señors @ Scale is out! This time with @noriste.bsky.social , Senior Front-End Engineer & Tech Lead at Preply — we talk about scaling design systems, balancing perfectionism with pragmatism, and working in public. Watch here 👇 youtu.be/DMF3dOcAbsM

Lets gooo!!!! Register now!!

Ready for our #CityJSNewDelhi and we got our first 5 speakers @ealush.bsky.social @shivaylamba.bsky.social @neciudan.dev Aprajita Verma Daniel Ostrovsky Submit your talk if you would like to talk! Register now india.cityjsconf.org

New 100-second video about security 👇 youtu.be/Bo8i0MQ2VnE

From police officer in Brazil 🇧🇷 to Tech Lead at N26 🏦 @bpaulino.com joins Señors @ Scale to talk: ⚙️ Reliability in FinTech 🚀 CI/CD that ships in minutes 🤖 LLMs for customer support 🧩 Server-driven UI at scale Watch here 🎧👇 youtu.be/XA42xUQlxRY

🚀 New episode of Señors @ Scale! I sat down with @igorminar.bsky.social (co-creator of Angular, now at Cloudflare) and @anfibiacreativa.bsky.social (Principal PM Microsoft) to talk about WebFragments (Micro Frontends) 🎧 youtu.be/JY2Yjy2020I 🎧 open.spotify.com/episode/55TP... 👇 Highlights below

Friends dont let friends use us-east-1 in prod. DynamoDB: hold my 🍺

Check this out if you missed our meetup

The GSAS conference in Barcelona is such a blast! I got to meet one of my favorite authors, @vladikk.bsky.social and watch his excellent talk! Sharing the stage with these fantastic speakers is such an honor!

🎙 New Señors @ Scale episode! Accessibility at Scale with Kateryna Porchienova (Senior Eng Manager @ Buffer) ♿ We talk: 🧩 Screen readers, ARIA traps & animation mistakes 🤖 How AI can hurt accessibility ▶️ youtu.be/Y8ph_8pmFmo 🎧 open.spotify.com/episode/2gCa... #accessibility #frontend #a11y

I love taking the stage at @reactalicante.es Thanks to all the amazing people who attended my talk!

@erikras.com at @reactalicante.es

Some truth

🔥 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: Kateryna Porshnieva and Asier Aduriz Saiz! Save a spot here 👇 www.meetup.com/reactjs-barc...

It was so fun to have this chat and talk a bit about Ruby and Rails with the JS folks. Thanks for having me 🙌

Anyone here still betting on Ruby on Rails? 👀 New Señors @ Scale episode with @adrianthedev.com (Founder of AVO and organizer of @friendlyrb.com ⚡ What makes Rails amazing 🛠 Why AVO makes admin panels painless 🌍 Hotwire 101 ▶️ youtu.be/tcefTICVgXQ #rubyonrails #rails #ruby

🚨 New episode of Señors @ Scale! Andreas Panopoulos (Hack the Box, Vue.js Athens) on: ⚡ Vue 2 → Vue 3 & Composition API 🏗 Rebuilding Hack the Box on Nuxt 3 🌱 Community, public speaking & scaling with Vue ▶️ youtu.be/d_tFcI07FT0 #vuejs #nuxt #frontend #señorsatscale

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.

🚨 New episode of Señors @ Scale! Frontend Architecture at Scale with @farisaziz12.bsky.social (Staff Engineer @ Small PDF, co-founder of ZurichJS) ▶️ youtu.be/4AtijFQQIZY #frontend #react #nextjs #javascript #señorsatscale

🚨 New episode of Señors @ Scale! 🎙 With @arismarko.bsky.social (founder of @cityjsconf.bsky.social ) on organizing conferences at scale 🍕 Why meetups matter beyond pizza 📉 The 30% no-show rule 🤝 First-time speakers & community growth 🎧 Listen here: ▶️ youtu.be/2er1ackx6i4

🚨 New episode of Señors @ Scale! 🎙 Open Source at Scale with @erikras.com (Redux Form, React Final Form, now Principal Engineer @ Attio) Topics: ⚡ SDK at scale ⚡ Why docs are now written for AIs ⚡ Lessons from building tools millions use 🎧 Listen ▶️ youtu.be/N2D_AkdUupM

Check out the insightful talk by @neciudan.dev on scaling a JavaScript application from ground zero. Real stories, practical solutions. https://gitnation.com/contents/scaling-a-react-application-from-0-to-a-brazilian-users

🚨 New episode of Señors @ Scale 🎙 Mentorship at Scale — with Eduardo Aparicio Cardenes 15+ yrs in front-end, ADPList Top 100 mentor, and mentor to 30+ engineers worldwide. We talk promotions, tech leads, interviews & burnout. 🎧 Listen here: youtu.be/e67nrLKoP-k

🚨 New podcast episode! We cover: 🧠 React scheduling & fibers 🔁 Rendering strategies 🚀 Performance at scale 🧭 Mentorship And more. Watch full episode 👇 www.youtube.com/watch?v=jSec...

@reactbarcelona.bsky.social meetup Summer Vibes

August was not hot enough in Barcelona, so at @reactbarcelona.bsky.social , we're hosting a Summer Vibes Panel 🏖️ to discuss the Future of Frontend Development. Panel members: @anfibiacreativa.bsky.social, Tudor Barbu, and Bruno Paulino Barcelona on August 19th www.meetup.com/reactjs-barc...

Quick video on how to correctly use Keys in React. Check it out 👇 youtu.be/l-2zAVxdSDM

Quick video on how to correctly use Keys in React. Check it out 👇 youtu.be/l-2zAVxdSDM

“We fixed the layout shift by hardcoding everything. 2 days later, users were happy, PMs were calm, and the tech debt was contained in one file.” This is just one of the lessons from my convo with Tudor Barbu on the Señors at Scale podcast: www.youtube.com/watch?v=vcUg... More links in 🧵

Highlights from Interviewing at Scale with Angel, Episode 2 of Señors at Scale youtu.be/3Wpjjl6usYY

🔥 New episode of Señors @ Scale is live — with Angel Paredes, EM at Datadog( @angelparedes001.bsky.social) We talk about scaling tests, teams, and tooling. Listen on: Spotify: tinyurl.com/48yv53hb YouTube: tinyurl.com/3j2x6muu Apple: tinyurl.com/4x65tvj4 Takeaways: neciudan.dev/senors-at-sc...

Check out full podcast episode on my profile

Cooked 🧑‍🍳 something up! Check out my new podcast Señors at Scale 👇 First episode is about Performance at Scale with guest Danilo Velasquez! Check it out: Spotify: tinyurl.com/ys88suwc Apple: tinyurl.com/fe6aanek Youtube: tinyurl.com/mrsn388a takeaways: neciudan.dev/senors-at-sc...

The July ReactJS Barcelona meetup wrapped up last night. Thanks for everyone who joined! We had a blast! Thanks to @preply.bsky.social for hosting and our amazing speakers @cssorlandi.bsky.social and Thomas Steiner!

So, I built another daily newsletter focused solely on React. Everything in an email every day for 30 Days that you can read in 60 seconds! Interested? Subscribe here 👉 neciudan.dev/react-subscr...

New ReactJS Meetup in July: www.meetup.com/reactjs-barc...

Tuesday we hosted our fifth meetup of the year! Thanks so much to our speakers Rashan Smith Danilo, Velasquez 💻land Utku Can Ozturk for giving two fantastic talks! We are currently planning the meetup in July! So stay tuned!

I am excited to share that I will be participating as a speaker at the fifth edition of the Global Software Architecture Summit, taking place on October 13-15 in Barcelona. Use code: 15-SPEAKER-GSAS15 for 15% discount tickets to join me at 📷 gsas.io #GSAS25

👉 Track 1️⃣: What if AI could predict & fix @react.dev performance issues? @shloksri.bsky.social shows how smart CLI tool uses AI to optimize React apps. Track 2️⃣: Scaling from zero to millions? @neciudan.dev shares lessons from building a JS app to serve thousands of users at startup scale.

Up Next on Day 1 of #FEN25 🔥 Track 2️⃣: @neciudan.dev shares how his team scaled a JavaScript app from 0 to millions of users. Tune in Live: go.frontendnation.com/FEN

Amazing time at @cityjsconf.bsky.social Athens!

I am trying something different If you like daily bits of Engineering Knowledge that you can read in 60 seconds, subscribe here and get them in your email: neciudan.dev/wizard-subsc...

I am trying something different If you like daily bits of Engineering Knowledge that you can read in 60 seconds, subscribe here and get them in your email: neciudan.dev/wizard-subsc...

New Meetup Alert 🚨 And this time we have 2 talks by 3 amazing speakers: 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!

Ready for #CityJSAthens next week!? We got 2 Days Workshops and 2 Days Conference over 30 Speakers including @jesslynnrose.bsky.social @codebyte.re @neciudan.dev @hola-soy-milk.online Get the last few tickets athens.cityjsconf.org Thanks for the support @greecejs.bsky.social

Saw this quote in Barcelona today. Love it

Time to shine!

I love how easy my life has gotten once I embraced AI IDEs to their full potential. (Agent, Ask, Rules, MCPs) It has its frustrations; I am yelling at it like a madman, but it still increased my productivity 10. Wrote a piece on how I use Cursor: neciudan.dev/cursor-ai-th...