CodeNodes [Offline Warsaw]

Tech talks, live challenges, and real dev energy—right here in Warsaw.

Get ready for an evening of deep dives, quick thinking, and community connection. We’re bringing together developers, problem-solvers, and JavaScript fans for an unforgettable event full of learning, laughter, and maybe even a few prizes.
🎤 Meet the speakers:

🛠️ Vetle Stubberud – Building Reliable Node.js Systems
Build it right, build it to last. From graceful shutdowns to retry logic and circuit breakers, you’ll explore patterns to keep your Node.js systems strong under pressure.
Nikolai Markin - *Mastering Async Flow Control in Node.js*
Explore how to cancel async tasks properly, why cancellation matters in backend systems, and how generators can stack with streams to create powerful and efficient asynchronous flows.
🔥 On the agenda:

• ⚔️ Node.js coding challenge
• ❓ JavaScript quiz with prizes
• 🤝 Networking with fellow devs
• 🍕 Pizza, swag, and more

* The Event Space can be accessed directly from the Koszyki Hall - go to the 1st floor of the mezzanine (the stairs are on level 0 by Jeff's restaurant) - The Event Space is marked with a pink neon sign & marked with the number 08)

Join