Claus Witt

Developer, Musician, Writer

I'm a software engineer living in Denmark, passionate about programming for over two decades. I've built my career around solving complex technical challenges while maintaining creative outlets through music and writing.

Professional Life

I’m a co-owner of Fliva, a video technology company I’ve been part of since 2017. My journey with the Arnsbo Group organization actually began much earlier—I’ve worked for the organization and its subsidiaries as an employee since 2008, and before that as a vendor of programming services since 2006. At Fliva, we work with cutting-edge video processing, transcoding, and real-time graphics programming, including GLSL shaders and HDR/SDR video conversion.

My programming expertise spans multiple languages and paradigms, which I explore extensively in my polyglotbits series—comparing how to accomplish similar tasks across languages like C, C++, Ruby, JavaScript, Go, Rust, Elixir, and many others. I believe in understanding the fundamentals across different programming environments to become a better problem solver.

Personal Life

I’ve been married to Iben since 2009, and we have two wonderful children: Toke (born 2008) and Runa (born 2012). Family time is precious to me, and I love involving my kids in creative projects—I even wrote a Pong game with my son using Cocos Creator.

Music & Creativity

Music has been a constant companion throughout my life. I’ve been playing guitar since I was 10 years old and have built up quite a collection: four electric guitars, a western guitar, a Spanish/nylon-string guitar, and a bass. My home studio is equipped with a MIDI keyboard, an MPD218 controller, and some quality microphones for recording.

I wanted to be a writer when I was younger, then shifted to wanting to be a musician, but ultimately found my calling as a developer. What I love about programming is that it combines the meticulous craft of writing with the continuous skill development of playing an instrument. It’s the perfect blend for my brain—analytical work combined with creativity.

Philosophy & Approach

In the age of AI, I find myself more productive than ever. My years of honing fundamental programming skills are paying dividends in how I interact with modern AI tools to generate great solutions. I believe that deep technical knowledge becomes even more valuable when you know how to leverage AI effectively.

I enjoy sharing knowledge through my writing, whether it’s technical tutorials, personal reflections, or creative pieces. My blog covers everything from low-level systems programming to deployment stories, with occasional forays into music reviews and personal diary entries.

Connect With Me

“Programming is both a meticulous craft and a skill where you can constantly improve—it’s a perfect blend of analytical work combined with creativity.”