Hi, I’m Karol Słuszniak.

I’m a software engineer, engineering leader and tech blogger — passionate with building apps that bring tech closer to people, experienced with bringing them to successful end. A husband and father — crazy about music, games, LEGOs, occasional cooking and outdoor activities.

Below you’ll find the overview of my career divided into major milestones.

Heyplay

Time for some fun! I’ve built Heyplay — a platform for creating, playing and socializing over simple multiplayer browser games a.k.a. “IO games” — to combine...

Pubray

Here’s my take on the subject of online blogging and publishing — an embodiment of the values that I care about and my biggest independent effort to date —...

CTO at Fresha.com

I’ve dedicated almost 5 years into turning a simple appointment calendar to globally acclaimed salon & spa industry disruptor — mature SaaS + marketplace...

Web development

Started as one-man army working with clients directly and took it to the next level as team player & technical leader at Visuality. Ended up developing and...

Cloudless Engine apps

What started as a passionate dream to connect technology with a beauty of nature, turned into my master’s thesis and took a final shape of unique iOS & Mac...

Open source

I’ve built my entire career on open source so I strive to give back by creating well-documented libraries that are born out of & filled with my core values —...

Tools

My goal is to always find best tool for the job and I love to get involved with a diverse set of modern technologies. Of course, I do have my set of favorite...

Personal

First and foremost, I’m a happy husband and father — always striving to spend as much quality time with my wife & kids as possible. Among others, we enjoy...