Matteo Collina @nodeland.dev · Feb 25

🚀 I'm running a 4-hour intensive workshop at CityJSConf London! High-Performance Node.js: From Event Loop Mastery to Production Observability 📅 April 16, 2026 9:00 AM 📍 CityJS London, Day 2 This is everything I've learned building Fastify, Pino, and Undici — packed into one session.

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James Sumners · Feb 25

I would attend this if I could

Matteo Collina · Feb 25

Here's the thing: most Node.js apps leave massive performance on the table. In this workshop, we'll fix that. We'll start with the event loop and build up to full-production observability with OpenTelemetry. No hand-waving. Real techniques, real code.