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06.2007 - 06.2008 Teaching Assistant, Dept. of Mathematics, KNUST, Kumasi, Ghana.
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03.2010 - 09.2011 Project employee at "Doktoratskollegs" Computational Mathematics, JKU, Linz, Austria.
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09.2012 - 02.2016 Research Scientist in the FWF NRN Project "Geometry+Simulation", Linz, Austria.
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03.2013 - 04.2017 Associated Doctorate at "Doktoratskollegs" Project DK4, Linz, Austria.
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09.2016 - Guest Research Scientist at National Institute of Mathematical Science, Kumasi, Ghana.
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03.2016 - 12.2016 Research Engineer at Prozess Optimal Engineering, Ottensheim, Austria.
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02.2017 - Guest Research Scientist at National Institute of Mathematical Science, Kumasi, Ghana.
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08.2017 - 10.2018 Helen Doron English Teacher at Helen Doron English, Linz, Austria.
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09.2017 - 01.2018 Product Development Engineer at RAG Rohöl-Aufsuchungs Aktiengesellschaft, Vienna, Austria.​​
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02.2018 - 01.2019 Project Manager & Research Scientist, Engineering Software Steyr, Austria.
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11.2018 - 07.2021, Lecturer, Department of Mathematics, University of Cape Coast, Ghana.
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08.2021 - Present, Senior Lecturer, Department of Mathematics, University of Cape Coast, Ghana.
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01.2020 - Present, Director of Programs, Ghana Natural Language Processing
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12.2020 - Present, Founder, Ghana Numerical Analysis
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03.2021 - Present, Research Fellow, The Regional Transport Research and Education Centre, Kumasi (TRECK)
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04.2022 - Present - Doctoral Network at Quantum Leap Africa, Rwanda.
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07.2022 - Visiting Researcher, INRIA, Sophia-Antipolis, France.