Lead Engineer @ Rover.com, ReactJS Barcelona Organizer, Speaker · neciudan.dev
I'm a tech lead and staff software engineer with 14+ years of experience, focused on front-end and scaling products. I've worked at Glovo, AdoreMe, and CareerOS. I speak at conferences (React Alicante, React Summit, React Rally, Techorama, Frontmania) and host the Señors @ Scale podcast.
- Monorepos at Scale with Santosh Yadav (Ep. 40) · 58 minutes
🎙️ Santosh traces his path from hating C in 2004 to becoming a GitHub Star, Angular GDE, and Nx champion, covering the year-long migration of a single deployable product to an Nx monorepo, why polyrepos starve AI tools of context, and how CodeRabbit reviews code for free for open source. Spotify · YouTube - Routing at Scale with Nicolas Beaussart-Hatchuel (Ep. 39) · 54 minutes
🎙️ Nicolas traces his path from writing C macros and phishing pages to maintaining TanStack Router, covering iframe micro frontends, how Payfit untangled 40 subrouters and 25 polyrepos into one modular monolith, and what separates senior from staff. Spotify · YouTube - Redux at Scale with Mark Erikson (Ep. 38) · 57 minutes
🎙️ Mark traces his path from a 286 and four years teaching English in China to maintaining Redux for millions of developers, covering the @deprecated backlash, why the Redux core hasn't meaningfully changed since 2016, and building source maps into React's pipeline. Spotify · YouTube - TanStack Query at Scale with Dominik Dorfmeister (Ep. 37) · 53 minutes
🎙️ Dominik traces his path from JVM backend developer to TanStack Query maintainer and Sentry design engineer, covering how answering Discord questions led to open source, why version-five was a major-version disaster, and how Knip removed 3% of the Sentry codebase. Spotify · YouTube
- Upgrading from Astro 3 to Astro 6, with Claude doing most of the work My site ran Astro 3 for three years. When Anthropic released the new Fable model, I tested it on the scariest item on my backlog: a three-major-version upgrade. This is how it went, numbers included.
- Why are we not using Service Workers? I feel like Service Workers are a underused technology with a lot of benefits, but very complex to set up and often misunderstood and what they do. Here are some case studies from Slack, Mux and me on where and how to use Service Workers
- Everything you need to know about Sourcemaps Sourcemaps unlock some observability benefits but might expose your codebase. Check out how they work, and how to protect yourself.
- A gentle introduction to TanStack Query One room of React developers had all used TanStack Query. The next room had barely heard of it. This is the version of the talk that assumes nothing.
- Convex Summit · Jun 17, 2026 — Madrid, Spain: Micro Frontends & Me, a Love Story
- JNation · May 26, 2026 — Coimbra, Portugal: Micro Frontends & Me, a Love Story
- JSHeroes · May 14, 2026 — Cluj-Napoca, Romania: How Not to Use TanStack Query
- CityJS London · Apr 16, 2026 — London, UK: Lizard to Wizard
- Site: neciudan.dev
- Twitter/X: @neciudan
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