Kamil Dzieniszewski Warsaw, Poland

Selected work

A short list of things that explain the direction.

Chrome extensions I built and maintain, plus the AI-native development and community work around them.

Chrome Extensions

Small tools I built and published on the Chrome Web Store.

1 000+ users

CSR vs SSR Detector

Detects whether a webpage uses Server-Side Rendering or Client-Side Rendering. Badge on icon, history, anonymous data opt-in.

Chrome ExtensionDevTools★ 4.6
Chrome Web Store 60+ users

YouTube Overlay Opacity Controller

Controls opacity of YouTube player overlays and adds black backgrounds to transparent controls for better visibility.

Chrome ExtensionYouTube★ 4.5
Chrome Web Store 9 users

Comment Vibe

Analyses the vibe of comments on a page. Detects sentiment and tone across comment sections.

Chrome ExtensionAI★ 5
Chrome Web Store

Community and AI

Kamil speaking at Google for Startups
AI practice

AI Devs, RAG and agents

Hands-on AI development: LLM APIs, retrieval workflows, structured outputs and agent tooling.

 Devin (formerly Windsurf) Ambassador meetup
Developer tools

Devin Ambassador

Formerly Windsurf. Organizing Warsaw meetups and helping developers use AI coding tools in real work.

 meet.js Warsaw event
Community

meet.js

Co-organizer of one of Poland's longest-running frontend communities.

 Kamil presenting at Daftcode
Speaking

Frontend talks

Talks and panels on releases, architecture, microfrontends and hackathons.