This is a selection of references. More references can be found on my LinkedIn profile


“He not only delivered the solution but ensured it aligned with our requirements. It’s hard to find people who are good at both technical skills and communication, and Orell is one of the rare people.”

Luca Zanna, FinanceBI


“Within these projects he has proven to be a very experienced software engineer. Due to his professional, transparent and fast communication the projects were completed smoothly. If you are looking for an experienced C++ and Python developer we can highly recommend Orell.”

Sascha Nitsch, Sascha Nitsch Unternehmensberatung GmbH


“Orell always handles unexpected problems with a clear head and effective solutions. His reliability and professionalism have made our collaboration not only efficient but also pleasant.”
(Translated from German)

Matthias, Freelancer