Marius is a software architect and -developer currently living in Berlin, Germany.

He is the creator of Stack, “the Missing Buffer Client for Windows Phone” and Paperwork, the “OpenSource note-taking & archiving alternative to Evernote, Microsoft OneNote & Google Keep”. He also does other great things as a freelancer under his own brand twostairs and posts on his Journal from time to time.

He had the chance to work with companies like Cashboard,, United Internet, HSH Nordbank, Maxdome, 1&1, Rocket Internet,, Bosch, Gaggenau and many more.

Marius plays the piano, loves music and photography. He is a nice guy.

You can write or call him