| 2015/03 - present | SAP ABAP Developer itelligence, Poland |
| 2013/10 - 2015/02 | SAP Administrator itelligence, Poland |
| 2009/07 - 2013/09 | Staff associate, bioinformatics, protein structure and function (PostDoc, programmer and system manager) Dept. of Bioinformatics, TU Munich, Germany Group leader: Burkhard Rost |
| 2008/03 - 2009/07 | Staff associate (PostDoc, programmer) at Columbia Univ., Dept. Biochemistry & Molecular Biophysics Group leader: Burkhard Rost |
| 2005 - 2008 | Programmer and cluster administrator at BioInfoBank Institute, Poland Group leader: Leszek Rychlewski |