Currently I work as Senior Consultant at GraphAware, specializing in graph visualizations.

2017 - 2018 Software developer at the ICPC (International Collegiate Programming Contest). Working in team of five people, developing and maintaining a contest management system used world wide by thousands of managers, coaches and contestants.

2010 - 2017 I have been working freelance. My main focus is post-production and 3D, on the side photography and video production. Proficient in Adobe Production Suit and Blender.

In 2015 I co-founded a start-up JTT Karlin s.r.o. as a platform for VR research cooperation with the university and industry. We produce VR experiences and simulations for marketing and architecture studios. In particular: realistic spherical stereo renders composed into 360 photos.


Taking good pictures requires a combination of technical and artistic approach, that's why I enjoy it so much. I photograph weddings, portraits, conferences, various church events and even landscapes from time to time using professional Canon equipment.

My clients

Companies I had the pleasure to work for as a freelancer.

Beloved software

The tools I am familiar with.

Java EE

The main language we use at the backend in the ICPC Lab. Stable, reliable and secure java.

React JS

We write frontend in React, using Redux to manage the global state and Material UI components.

Springboot on the Kube

My favorite microservice architecture, lightweight Springboot running on Kubernetes in the cluster.


Photoshop is the basic tool of every graphic designer. It used to be my daily bread, now I use it ocassionally for web design and photo editing.

After Effects

Photoshop in real-time. A video post-production software that I use for composing as well as for color corrections, stabilizations, ...


An open source multi-purpose 3D tool. I model in Blender and render 360 stereo photos using the physically-based Cycles engine.

Unity Engine

Simple, light, easy to use, great for mobile apps. At JTT, we base VR mobile apps mainly on Unity.

Unreal Engine

Unreal is amazing lighting. That is why we use it for Arch Viz projects. I have implemented Pac-Man benchmark in Unreal as a research project.


I am a loyal user of the Mozilla Firefox web browser.