After studying law at the University of Konstanz and passing his second state law examination, Vavouras was a research assistant at the Institute of Economics and Law at the University of Stuttgart from 2018 to 2019. From 2019 to 2020, he was Head of Legal Affairs at the Ludwigsburg District Office. From 2020 to 2023, he headed the Law and Order Department at the Ludwigsburg District Office. He also had central responsibility for all legal pandemic issues in the district and was a member of the management and administrative staff. As a result of the war in Ukraine, Vavouras worked with other stakeholders to develop solutions to deal with the high influx of refugees. Since July 2023, Vavouras has been seconded to the Baden-Württemberg State Representation to the Federal Government in Berlin as a representative of the Baden-Württemberg Ministry of the Interior, Digitalization and Municipalities.
