Portfolio

Projects

Selected projects from recent years: from my own products for the events industry, through industrial HMI/MES systems for steel plants, to experiments with LLM agents and speech recognition.

7projects in the portfolio

10+years in the field

2products in beta

[email protected]: ~/projects

> ls ~/projects

drwxquestkraft/beta drwxnavigoplay/beta drwxreservation-system/prod drwxdevyonq/r&d drwxssab-hmi/prod drwxblog-kczk/live drwxvoicelab-stt/done

QuestKraft

Platform for game creators

In development Closed beta

A builder for city games and gamified events for event agencies, team-building companies, and organisers: rule-driven scenarios, live game operations, and a field-staff app. Closed beta — open to partnerships with event companies.

.NET 9 React PostgreSQL SignalR

View case study

NavigoPlay

Mobile app for players

In development Closed beta

The participant app for games built in QuestKraft: a map with radars and a compass, photo and video tasks, quizzes and QR codes, team chat, battery-friendly GPS, and organiser branding.

Android React GPS

View case study

Trip Reservation System

Internal tool

Production

Internal booking and billing system for kayaking and sailing trips, with automated sign-up handling.

.NET PHP MySQL

View case study

DevyonQ

R&D / LLM

R&D - discontinued

LLM-driven agent platform built at Macrix R&D; discontinued after roughly 8 months.

.NET 9 Semantic Kernel RAG

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SSAB HMI/MES

Industrial systems

Production

Refractory-Management module inside an industrial HMI/MES platform for SSAB steel plants.

C# 12 WPF RabbitMQ

View case study

Blog kczk

Link blog

Active

An automated link blog — periodic roundups of things worth reading on AI/LLM, .NET, and cognitive science.

AI/LLM .NET automation

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VoiceLab.AI STT

Desktop application

Completed

Desktop transcription app for courtroom recordings, with an RTF editor and audio/video timestamps.

WPF C# Python

View case study