Krzysztof Radomski — Senior Software Engineer

I build the frontend systems and full-stack foundations behind useful digital products, from technical direction to production operations.

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BASED IN POLAND LOCAL TIME — --:--:--
ARCHITECTURE DESIGN SYSTEMS OPEN SOURCE TYPESCRIPT REACT PAYLOAD CMS CLOUDFLARE NODE.JS LLM AI SDK ASTRO HETZNER CI/CD TDD

01 PROJECTS

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game

The Last Greenhouse

A cozy 3D greenhouse game: kindle the boiler, grow forgotten seeds, and shape a small refuge for living things. Free, no ads, no purchases.

VISIT PROJECT
The Last Greenhouse isometric greenhouse glowing under the moon
home automation

HA Family Finder

A Marauder's Map family locator for Home Assistant: one client-side HTML file that tracks your household live on a map you upload yourself.

VISIT PROJECT
HA Family Finder map with family members located across zones
application

FarmFlow

A farm management app for livestock, crops, and equipment.

VISIT PROJECT
FarmFlow landing page
application

Critterboard

The free insect hunting game that runs entirely on your phone: on-device bug ID, an offline map, and AI guides. No cloud. No account. No ads.

VISIT PROJECT
Critterboard landing page
website

Pay4Delay

Automated delayed train tickets refund system for Polish railways. MVP.

VISIT PROJECT
Pay4Delay homepage
AI story platform

StoryCraft

An AI storybook platform where Workers AI writes, illustrates, and moderates stories from text or voice. Now a read-only showcase with a public library to browse.

VISIT PROJECT
StoryCraft storybook platform artwork
drawing tool

Draw

An anonymous browser drawing tool that stores shareable sketches directly in the URL, with no account or server-side document storage.

VISIT PROJECT
Draw browser drawing application
game

Math4Kids

A timed arithmetic game with adjustable operations and difficulty, celebratory feedback, and a protected public leaderboard.

VISIT PROJECT
Math4Kids interface
game

Void Cleaner

An atmospheric browser-based OS simulator game exploring unique UI patterns and reactive state management.

VISIT PROJECT
Void Cleaner interface
3d library

react-cartoon-planet

A reusable React and Three.js cartoon globe with animated zoom, render modes, markers, and a mobile-ready interactive demo.

VISIT PROJECT
react-cartoon-planet interactive 3D globe demo
website

Paperplane Builders

A personal umbrella for freelance engagements and private projects — web applications, tools, and interactive experiences built over the years. This site is no longer updated.

VISIT PROJECT
Paperplane Builders homepage
cms

Teatr Wybrzeże

A website for the Teatr Wybrzeże in Gdańsk, Poland.

VISIT PROJECT
Teatr Wybrzeże homepage

02 TOOLS

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03 ARTICLES

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LET'S TALK.

I've built full-stack products end to end and worked on consulting engagements in application architecture, frontend systems, and Payload CMS. Currently, I'm working as a Senior Frontend Engineer at Incogni.

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