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
Parsing URLs in JS shouldn’t require regex archaeology. The URL Pattern API finally fixes it.

I broke it down with real examples! Watch here👇

youtu.be/UYBb72lwyGA
URL Pattern API in 100 seconds
YouTube video by Neciu Dan - The Señor Developer
youtu.be
November 19, 2025 at 1:54 PM
Reposted by Neciu Dan
Last night we had our last meetup of the year 🚀🚀🚀

And what a fantastic event we had. Thanks to Lodgify and Tudor Barbu for hosting!

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

See you next time!
November 19, 2025 at 10:16 AM
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