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This is a paid conference, not a free meetup. RSVP on Meetup does not reserve a seat. To attend, buy a ticket here: https://js-poland.pl/#tickets
Price: 1077 PLN incl. VAT (Round 2, until October 29, then the price goes up). 3-day bundle for NG Poland, JS Poland and AI Poland: 2377 PLN, saves 854 PLN compared to buying separately. Workshops are sold separately.
When: Wednesday, November 18, 2026, registration from 8:00, sessions 9:45 to 18:15 CET
Where: Multikino Złote Tarasy, Złota 59, Warsaw. Or online from anywhere.
Day 3 of 5. The 10th anniversary edition of JS Poland: one day, one track, the biggest JavaScript conference in Central and Eastern Europe. This year's theme is performance and the agent-native web: profiling, memory, microfrontends, technical debt, and what WebMCP changes for everyone who ships JavaScript.
Sessions (all in English):

  1. What's Making Your JavaScript Slow? A DevTools Profiling Deep Dive by Łukasz Jancewicz, Google
  2. Inside the JavaScript Heap: Finding and Fixing Memory Leaks by Julian Jandl
  3. [Node.js Profiling: A Deep Dive](https://js-poland.pl/speaker/michael-hladky) by Michael Hladky
  4. When Microfrontends Go Wrong: Lessons from the Frontline by Tomasz Ducin
  5. Legacy Strikes Back: How to Pay Off Technical Debt Without Slowing Down Development by Jakub Andrzejewski
  6. Running Storybook inside your Vite app by Julien Huang
  7. Deterministic code meets probabilistic agents: Testing and evaluating WebMCP Tools by Kasper Kulikowski, Google
  8. Stop Teaching Agents to Click: WebMCP and the Agent-Native Web by Julia Rapczynska
  9. The 60 FPS Slap: Real-Time Bass DSP & Shaders in JavaScript by Nir Kaufman

More sessions to be announced. Full list: https://js-poland.pl/sessions
Also on the day: JS Awards ceremony, pre-recorded bonus sessions available one day before the event, and the community evening at Hard Rock Cafe Warsaw right after the closing (open to NG, JS and AI Poland attendees; everyone covers their own food and drinks).
Your ticket includes onsite or online access, all session recordings, a participation certificate and conference materials.
The full week:
Nov 16: Workshops Day
Nov 17: NG Poland, https://ng-poland.pl
Nov 18: JS Poland
Nov 19: AI Poland, https://ai-poland.pl
Nov 20: AI Workshops Day

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