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WarsawJS - JavaScript Community Meetups in WarsawWarsawJS: JavaScript Community Meetups in Warsaw

We provide a safe space for those looking to
improve their JavaScript skills.
Join a community that gives back.

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Speakers

Avatar of Daniil Rabizo
Bio

State of Voice AI with JS Flag

Voice agents feel magical until someone talks over them. This talk starts with a working agent built on LiveKit, then takes it apart: how the pieces fit together, and where the whole thing tends to fall over. We'll go through latency — where the milliseconds actually go across STT, LLM, and TTS, and which ones you can buy back; interruptions — barge-in, turn detection, and what to do with a half-spoken sentence; stability — how to move fast with agent development; and guardrails — keeping an agent on topic when the input is unscripted human speech. A live demo, an architecture walkthrough, and the mistakes you don't need to repeat.

Avatar of Wiktor Preśniacki
Bio

Testing the Test Writer: Building and Evaluating an Agentic Playwright Skill Flag

AI agents can generate Playwright code, but producing a reliable E2E test requires much more than writing selectors and assertions. The agent must understand the repository, reuse existing fixtures and page objects, configure the test environment, and prove that the result actually works.

In this talk, I'll show how we built a Playwright test-generation skill at Dropbox that takes a test scenario from a natural-language description to a validated test and how deterministic validation gates make the workflow more reliable. I'll then explain how we evaluate the skill on realistic scenarios and continuously monitor it for regressions. You'll leave with a practical approach for building agentic coding workflows that can be tested and improved like any other production system.

Avatar of Mike Owerczuk
Bio

JebTo.AI and Other Bullshit: A Case Study of Professional AI Slop Donkeys in the Age of the Fourth Industrial Revolution Flag

The AI revolution created new tools, new industries, and one of the greatest markets for bullshit in modern history. Suddenly everyone is an expert: a few tutorials, a new LinkedIn headline, and a vocabulary of disruption and transformation. Mike has spent years making award-winning films with AI, which makes him either the best or the worst person to guide you through the sloppocalypse. Through JebTo.AI he dissects the economy of hype, slop and confidence without competence, argues that judgment is now the scarce resource, and gives an honest, behind-the-scenes look at what actually works and what just makes noise. Bring your sense of humour.

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Our Amazing Volunteers

WarsawJS thrives thanks to our dedicated volunteers who help organize events, support speakers, and create an amazing community experience.

Martyna Skup

Martyna Skup

Mikhail Korolev

Mikhail Korolev

Martyna Kazimierczuk

Martyna Kazimierczuk

Kris Chojnacki

Kris Chojnacki

Małgorzata Kalisz

Małgorzata Kalisz

Krzysztof Kielak

Krzysztof Kielak

Agnieszka Rudnicka

Agnieszka Rudnicka

Piotr Malinowski

Piotr Malinowski

Join Our Volunteer Team!

Want to help shape the JavaScript community in Warsaw? We're always looking for passionate people to join our team.

Apply to Volunteer
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