Poznań, Poland
Building enterprise systems and AI-powered B2B products. Expert in Java, DDD, and turning code into revenue.
Get in touchProduction-grade B2B SaaS solutions with paying customers
2025
AI-powered lead detection for the construction industry. Scans GDELT news data and Polish government registries (GUNB) daily, filters and enriches investment signals through an LLM pipeline, geolocates them, and alerts companies via SMS about opportunities within their radius.
2023
B2B SaaS platform for construction logistics. Helps Polish construction companies organize machine dispatch, track operators, and eliminate scheduling chaos. 2,700+ construction machine jobs processed to date.
Open-source experiments for exploring new architectures and ideas
2025
Online browser game exploring real-time multiplayer architecture. Battle others, collect crystals, expand your base. What I learned: real-time multiplayer state sync, WebSocket performance under load.
mkmiecikitdev/lumina-clash
2025
Open-source framework for building browser MMORPGs — Spring WebFlux backend, React + Phaser client. What I learned: clean/hexagonal architecture in practice, custom binary protocol design, Spring WebFlux + Netty.
mkmiecikitdev/browser-mmorpg-starter