I craft digital experiences by building modern, performant, and beautiful web applications using cutting-edge technologies.
Below, you can explore my professional journey, my commitment to continuous self-growth, and the hobbies that have shaped my discipline and mindset.
For the past 4 years, I have been obsessively teaching myself the art of software development. As a self-taught developer, I've built a foundation of resilience and proactive problem-solving skills that allow me to master new technologies quickly and independently.
My transition into professional development was driven by freelancing and community-focused projects. Beyond just writing code, I’ve built and maintained platforms used by hundreds of active users every month, bridging the gap between technical execution and real-world utility.
Reliability, architecture, scalability
Leadership, discipline, responsibility



A selection of my recent work
A high-performance Next.js analytics platform for MMORPG players featuring profit calculators and real-time data visualization, serving hundreds of active monthly users.
A professional full-stack platform built with Angular and .NET Core, featuring secure user scheduling modules and robust data integrity protocols.
An interactive browser-based incremental game developed with React and Zustand to demonstrate complex global state management and custom game loop logic.
Tools I work with daily
I'm currently available for freelance projects and full-time opportunities. Let's create something amazing together.
karolhas.kontakt@gmail.com