Neciu Dan
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neciudan.dev
Neciu Dan
@neciudan.dev
Staff Software Engineer / Tech Co-Founder👨‍💻 @CareerOS / Passionate about React / Vue.js / UX / UI Components / CI / CD Integration
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🚀 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
MicroFrontend at Scale with Igor (Cloudflare, co-creator of Angular) and Natalia (PM at Microsoft)
YouTube video by Neciu Dan - The Señor Developer
youtu.be
New Señors @ Scale episode is live.

Security at Scale with @lirantal.com (Snyk).

We dig into NPM malware, maintainer compromise, MCP vulnerabilities, toxic flows, and why AI-generated code is statistically insecure.

Watch here: youtu.be/tks03l1E0IQ
Security at Scale with Liran Tal - Director of Developer Advocacy at Snyk
YouTube video by Neciu Dan - The Señor Developer
youtu.be
November 18, 2025 at 11:09 AM
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
Micro Frontends at Scale with Luca Mezzalira (O’Reilly Author and Principal Architect at AWS)
YouTube video by Neciu Dan - The Señor Developer
youtu.be
November 12, 2025 at 1:02 PM
📷 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...
CityJS London 2026
We welcome you to our 8 event in London. CityJS London it is a community event organised by the local community and powered by local meetups. We bring the best speakers from around the world to London...
ti.to
November 10, 2025 at 10:08 AM
🎙 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
Design Systems at Scale with Stefano Magni, Tech Lead at Preply
YouTube video by Neciu Dan - The Señor Developer
youtu.be
November 4, 2025 at 3:01 PM
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
November 2, 2025 at 10:27 PM
Reposted by Neciu Dan
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
November 2, 2025 at 9:22 AM
New 100-second video about security 👇

youtu.be/Bo8i0MQ2VnE
The npm Hack That Hit a Billion Downloads (JavaScript’s Supply Chain Meltdown)
YouTube video by Neciu Dan - The Señor Developer
youtu.be
October 30, 2025 at 9:15 AM
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
Reliability at Scale – With Bruno Paulino (N26)
YouTube video by Neciu Dan - The Señor Developer
youtu.be
October 28, 2025 at 6:27 PM
🚀 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
MicroFrontend at Scale with Igor (Cloudflare, co-creator of Angular) and Natalia (PM at Microsoft)
YouTube video by Neciu Dan - The Señor Developer
youtu.be
October 21, 2025 at 4:27 PM
Friends dont let friends use us-east-1 in prod.

DynamoDB: hold my 🍺
October 20, 2025 at 10:35 AM
Check this out if you missed our meetup
ReactJS Barcelona meetup replay is live 👇

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

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

🎥 youtu.be/shg25EFdvlU

Like and Subscribe
ReactJS Barcelona Meetup — Memory Leak Debugging & High-Performance UI Animations
YouTube video by Neciu Dan - The Señor Developer
youtu.be
October 19, 2025 at 3:23 PM
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!
October 14, 2025 at 9:09 AM
🎙 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
Accessibility at Scale with Kateryna Porshnieva, Engineering at Buffer
YouTube video by Neciu Dan - The Señor Developer
youtu.be
October 8, 2025 at 8:38 AM
I love taking the stage at @reactalicante.es

Thanks to all the amazing people who attended my talk!
October 3, 2025 at 3:24 PM
October 3, 2025 at 10:29 AM
Some truth
October 3, 2025 at 10:28 AM
🔥 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...
ReactJS Barcelona - October, Tue, Oct 7, 2025, 6:00 PM | Meetup
October Meetup is here! Let's gooo! We have some amazing speakers, and pizza and beer will be available after the event. ────────── **18:00: Welcome** Grab a beer, a snack,
www.meetup.com
October 2, 2025 at 9:17 PM
Reposted by Neciu Dan
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
Rails at Scale with Adrian Marin founder of AVO
YouTube video by Neciu Dan - The Señor Developer
youtu.be
September 30, 2025 at 11:41 AM
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
Rails at Scale with Adrian Marin founder of AVO
YouTube video by Neciu Dan - The Señor Developer
youtu.be
September 30, 2025 at 7:02 AM
🚨 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
Vue at Scale with Andreas Panopoulos
YouTube video by Neciu Dan - The Señor Developer
youtu.be
September 25, 2025 at 8:31 AM
Reposted by Neciu Dan
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.
September 17, 2025 at 9:40 AM
🚨 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
Frontend Architecture at Scale with Faris Aziz
YouTube video by Neciu Dan - The Señor Developer
youtu.be
September 16, 2025 at 11:28 AM
🚨 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
Organising Conferences at Scale with Aris, founder of CityJS
YouTube video by Neciu Dan - The Señor Developer
youtu.be
September 10, 2025 at 10:05 AM
🚨 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
Open Source at Scale with Erik Rasmussen
YouTube video by Neciu Dan - The Señor Developer
youtu.be
September 2, 2025 at 5:51 PM
Reposted by Neciu Dan
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
August 28, 2025 at 2:00 PM