Roman Zimbelmann

~M.Sc. Computer Science~

Hi! I'm a freelance programmer/​consultant from Cologne (Germany) specialized in programming with Python, C++, JavaScript & Shell script, offering software engineering, IT consulting and web development services.

So far, I have innovated in the human-computer-interface field (see PsyLink and Ranger), written and maintained complex software, automated expensive manual tasks, used AI to improve predictions, improved software performance, deployed dozens of websites, IT infrastructure, cloud systems, automated testing, database migrations, trained countless people on the state of the art of software engineering, and much more.

I'm a passionate and curious person, so my deep programming expertise is supplemented with a wide array of scientific, technical and artistic skills that help me bridge gaps betwen disciplines, think outside of the box, and persevere where others get stuck.

Hire me now — don't miss out the opportunity to have me on your team!


4.5 years as programmer for laboratory management systems, animal breeding, genetic engineering, CRISPR-Cas9.

Python, Django, JavaScript, PostgreSQL, AJAX, DevOps, Bioinformatics, Full Stack


Designed a fully functional AI-powered neural interface from scratch, based on electromyography, usable as a computer input device.

https://psylink.me

C++, Python, tensorflow, KiCad, Arduino


Created the visual file manager "ranger" for the Linux console, which is now widely used.

https://ranger.github.io

Python, ncurses

Quick Facts:

Contact me now for a full CV: contact@rzim.dev