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
- The React Compiler The React Compiler memoizes your components at build time, and it does the job better than you can by hand. What it is, how the compiled output works, how to turn it on, and what to do with the useMemo calls already in your codebase.
- What's the best way to do authentication in modern applications Where should your auth token live so an XSS bug can't steal it? Here's how to build auth that survives the crazy non-secure world we live in.
- Different hydration and rendering strategies Over the years, in our goal to achieve faster and faster web applications, we created different hydration and rendering strategies. Each with benefits and drawbacks that we explore in this article.
- Component Communication Patterns in React Applications React gives you a lot of ways to make two components share data but it gets more and more complicated based on the data and how far apart the components are. Lets see the different ways components can communicate with each other.
- 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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