Skip to content
    • 16 Sep

    • 28 Oct

    • 24 Nov

    • 15 Dec

    • 16 Jan

    • 9 Feb

    • 18 Mar

    • 22 Apr

    • 20 May

    • 17 Jun

    • 22 Jul

    • 19 Aug

    • 16 Sep

    • 21 Oct

    • 18 Nov

    • 16 Dec

    • 13 Jan

    • 10 Feb

    • 9 Mar

    • 13 Apr

    • 11 May

    • 8 Jun

    • 13 Jul

    • 10 Aug

    • 14 Sep

    • 12 Oct

    • 9 Nov

    • 14 Dec

    • 11 Jan

    • 8 Feb

    • 8 Mar

    • 12 Apr

    • 10 May

    • 14 Jun

    • 12 Jul

    • 9 Aug

    • 13 Sep

    • 11 Oct

    • 8 Nov

    • 13 Dec

    • 10 Jan

    • 14 Feb

    • 14 Mar

    • 11 Apr

    • 9 May

    • 13 Jun

    • 11 Jul

    • 8 Aug

    • 12 Sep

    • 10 Oct

    • 14 Nov

    • 12 Dec

    • 9 Jan

    • 13 Feb

    • 13 Mar

    • 10 Apr

    • 8 May

    • 12 Jun

    • 10 Jul

    • 14 Aug

    • 11 Sep

    • 9 Oct

    • 13 Nov

    • 11 Dec

    • 8 Jan

    • 12 Feb

    • 11 Mar

    • 8 Apr

    • 13 May

    • 10 Jun

    • 8 Jul

    • 12 Aug

    • 9 Sep

    • 14 Oct

    • 10 Nov

    • 9 Dec

    • 13 Jan

    • 10 Feb

    • 10 Mar

    • 14 Apr

    • 12 May

    • 9 Jun

    • 14 Jul

    • 11 Aug

    • 10 Sep

    • 13 Oct

    • 10 Nov

    • 15 Dec

    • 12 Jan

    • 9 Feb

    • 13 Apr

    • 11 May

    • 8 Jun

    • 13 Jul

    • 10 Aug

    • 14 Sep

    • 12 Oct

    • 9 Nov

    • 14 Dec

    • 13 Jan

    • 8 Feb

    • 12 Apr

    • 10 May

    • 14 Jun

    • 12 Jul

    • 9 Aug

    • 13 Sep

    • 11 Oct

    • 8 Nov

    • 13 Dec

    • 10 Jan

    • 14 Feb

    • 13 Mar

    • 8 May

    • 12 Jun

    • 10 Jul

    • 14 Aug

    • 11 Sep

    • 9 Oct

    • 21 Nov

    • 11 Dec

    • 8 Jan

    • 12 Feb

    • 12 Mar

    • 9 Apr

    • 14 May

    • 11 Jun

    • 9 Jul

    • 13 Aug

    • 10 Sep

    • 8 Oct

    • 12 Nov

    • 9 Dec

    • 14 Jan

    • 11 Feb

    • 11 Mar

    • 8 Apr

    • 12 May

    • 10 Jun

    • 8 Jul

    • 12 Aug

    • 8 Sep

    • 14 Oct

    • 11 Nov

Event Details

2025-03-12
Box ul. Chmielna 69
18:30

Speakers

Avatar of Siarhei Lunski
Bio

The Red Pill of the Web Application performance 

You know something's wrong. You feel like web apps shouldn't be this slow in 2025. You think you don't have a choice – but you do. Take the Red Pill and journey into a world where browser DevTools reveal hidden truths and ECMA specs whisper optimization secrets. Together we'll see through surface-level illusions and understand what's really happening when your JavaScript runs. And don't worry about Agent Smith – AI is on our side this time.

Avatar of Illarion Koperski
Bio

Hands-On with Advanced TypeScript Types 

How to actively apply advanced TypeScript features in practical, tangible ways:

- Strictly mapped types as blueprints for the business logic

- Efficient and concise exhaustiveness checks, including expressions

- Setting up the project for success with the right tooling and type defaults

Avatar of Michał Warda
Bio

How to use AI to not get banned on reddit. 

Join me to hear about my journey from a removed reddit post and almost getting banned to a viral hit with 800,000 views and tens of thousands of new users in a matter of 2 days. I'll uncover the magic of AI and pure Data Science integrated into our Remix application and crafted with TypeScript, to gather and transform data in a super efficient way. Whether you're a tech whiz or just AI-curious, you'll get practical tips on using AI to make your application better for the end user.

Avatar of Marcin Kraszewski
Bio

Math Cyclone - Making Math Addicting (Lightning Talk ⚡️) 

Avatar of Mikhail Korolev
Bio

Talk Title (something about AI stuff) (Lightning Talk ⚡️) 

Videos

See all talks

Video thumbnail: WarsawJS talk

Siarhei Lunski

Video thumbnail: WarsawJS talk

Illarion Koperski

Video thumbnail: WarsawJS talk

Michał Warda

Video thumbnail: WarsawJS talk

Marcin Kraszewski

Video thumbnail: WarsawJS talk

Mikhail Korolev

  • 144Meetups
  • 293Speakers
  • 491Talks