Javascript

JS Poland

International JavaScript Conference. 1 day, 1 track, 25 speakers, 1000+ developers. The world’s best JavaScript experts inspire you to bring your JavaScript projects to the next level. You will meet and mingle with peers, world renowned speakers, technology fans, published authors and Open Source core committers.

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29Speakers
11Sponsors
15Sessions
28Companies · in total

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Speakers

Programmed at JS, in alphabetical order.

Alex Okrushko
Senior Software Engineer · Snowflake
Damian Płaza
Senior Software Engineer / Power Grid Gdańsk R&D Manager · Volue/Bottega IT Minds
Daniel Sogl
Head of AI Engineering & Developer Producitivity · SHI GmbH
Daria Poliakova
Front-end developer · Conscensia
Dariusz Kalbarczyk
Google Developer Expert, Author, Podcaster · NG/JS/AI POLAND
Dr. Markus Nissl
CEO · datAInsights GmbH
Dr. Philippe De Ryck
Security Expert, Founder, GDE, Pragmatic Web Security · Pragmatic Web Security
Fabio Silva
Ihor Maistrenko
Angular / .NET Developer / Team Lead · Conscensia
Jakub Andrzejewski
Senior Fullstack Developer & Advocate, GDE · Monterail
Jemima Abu
Front End Developer, GDE, Microsoft MVP · CAIS
Julian Burr
Julian Jandl
Engineering Manager · push-based.io
Julia Rapczynska
Full Stack Software Developer · Push-Based
Julien Huang
Nuxt Core Team · Leetchi
Kasper Kulikowski
Senior Developer Relations Engineer · Google
Łukasz Gadzina
Łukasz Jancewicz
Manfred Steyer
GDE for Angular · softwarearchitekt.at
Markus Ingvarsson
Back End Developer · Podme
Michael Egger-Zikes
Trainer & Consultant · AngularArchitects.io
Michael Hladky
CEO · push-based.io

Sponsors

The companies behind the program. Tiers as disclosed.

JetBrainsPlatinum
ConscensiaGold
4SkillsSpecial
7NngGirls Sponsor
Brave CoursesSpecial
GDGSpecial
GoogleSpecial
Konopie Baby JagiFeatured Sponsor
mCoachingSpecial
No Fluff JobsSpecial
PacktSpecial

Agenda

Selected from 15 sessions.

  • Nov 18, 2026

    Deterministic code meets probabilistic agents: Testing and evaluating WebMCP Tools

    WebMCP is a proposed web standard that aims to expose structured tools to AI agents on currently existing websites. WebMCP tools are pieces of code -...

  • Nov 18, 2026

    Forms as Portable Data

    Forms are everywhere, and yet we keep rebuilding them. A form built for React can’t be reused in Angular. A form locked inside component code can’t be stored...

  • Nov 18, 2026

    Hosting Someone Else's App: Iframe Choreography

    Most frontend architecture talks assume you control the whole page. This one doesn't. Percona Monitoring and Management (PMM) ships a React/TypeScript shell...

  • Nov 18, 2026

    Inside the JavaScript Heap: Finding and Fixing Memory Leaks

    Memory leaks or high memory consumption are the number one reason for crashing browser sessions. However, analyzing the memory consumption of javascript...

  • Nov 18, 2026

    Legacy Strikes Back. How to Pay Off Technical Debt Without Slowing Down Development

    Every team dreams of a Luke Skywalker-style rescue mission for their codebase: one bold rewrite that fixes everything. Reality is usually closer to a long...

  • Nov 18, 2026

    Node.js Profiling: A Deep Dive

  • Nov 18, 2026

    Running Storybook inside your Vite app

    Vite's Environment API lets one dev server run several environments, each with its own config and plugin pipeline. This talk is a walkthrough of a real use of...

  • Nov 18, 2026

    Stop Teaching Agents to Click: WebMCP and the Agent-Native Web

    Today, most browser agents use the web almost like humans do: inspect the DOM, accessibility tree or pixels, find the right element, click it, and hope the...

  • Nov 18, 2026

    The 60 FPS Slap: Real-Time Bass DSP & Shaders in JavaScript

    Can a web browser keep up with a live electric bass while driving 60 FPS 3D visuals? In this high-energy live demo, we will plug a real bass guitar straight...

Company intelligence

What does it mean when 28 companies show up, and 2 bet on three roles at once?

28 companies. two are betting more than once.

The numbers below are derived from the speakers, sponsors, and exhibitors on this page, cross-referenced into one ledger. They are the only thing here that 10times.com cannot tell you.

Who's in the room
2All threespeak · spons · exh
9Sponsoringsponsor only
17Speakingspeaker only

In all three roles

Conscensia·Google

Speakers by seniority

14% of the speakers carry senior titles: C-suite, Founder, VP, or Director-level.

  • C-suite27%
  • Founder / Owner13%
  • Director / Head of13%
  • Manager / Lead517%
  • Engineer · IC1034%
  • Other roles1034%

Of 29 speakers · classified by free-text title

Most-represented companies
#CompanyRolesSpeakers
1ConscensiaSponsor · Gold2
2GoogleSponsor · Special1
34SkillsSponsor · Special-
47NSponsor · ngGirls Sponsor-
5Brave CoursesSponsor · Special-
6GDGSponsor · Special-
7JetBrainsSponsor · Platinum-
8Konopie Baby JagiSponsor · Featured Sponsor-
9mCoachingSponsor · Special-
10No Fluff JobsSponsor · Special-
11PacktSponsor · Special-
12push-based.io2
13ANGULARarchitects.io1
14CAIS1
Sponsors by tier
platinum1
9% of 11
gold1
9% of 11
featured sponsor1
9% of 11
nggirls sponsor1
9% of 11
special7
64% of 11
At peer events but not here

These companies sponsored two or more peer events recently, but aren't on this program. For an organizer, that's a list of warm prospects.

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