This internship develops the ability to model optimization problems for quantum computers and provides an introduction to practical work with existing quantum computers. There are currently four computers available in the QAR-Lab: IBM Q System One, Rigetti Aspen-8, Fujitsu DAU, D-Wae Advantage. Tasks that are highly relevant for practical applications will be assigned in cooperation with well-known partners from the industrial sector (requested). Twenty-four students will have the opportunity to implement and compare one task on each of two computers in four groups of six students. The internship will conclude with a presentation of the results to our industrial partners.