From 1993 to 2001, Nußberger worked at the Max Planck Society Institute for International and Comparative Social Law, including a period as visiting researcher at Harvard University from 1994 to 1995. From 2001 to 2002, she worked as a legal adviser at the Council of Europe in Strasbourg. In 2002, Nußberger achieved her habilitation, the highest academic qualification a scholar can achieve in Germany, with a thesis on public international law. In October 2002, she was appointed Professor at the Faculty of Law of the University of Cologne and as Director of the Institute of Eastern European Law. In 2009, she was elected Vice-Rector of the university with the newly created position of Vize-Rector for Academic Careers, Diversity and International Affairs. She has been a member of the International Labour Organization's Committee of Experts on the Application of Conventions and Recommendations from 2004 to 2010, and a deputy member of the Council of Europe's Venice Commission from 2006 to 2010. In 2010, she was awarded an honorary doctorate by Tbilisi State University in Georgia and the Schader Award in 2015. On 22 June 2010, Nußberger was elected by the Parliamentary Assembly of the Council of Europe judge on behalf of Germany at the European Court of Human Rights, succeeding Renate Jaeger, previously judge of the Federal Constitutional Court of Germany. Nußberger has been elected as Vice-President of the Court in February 2017. In February 2020, she was appointed by the ECtHR to succeed to Giovanni Grasso as international judge to the Constitutional Court of Bosnia and Herzegovina.
Sozialstandards im Völkerrecht. Eine Studie zu Entwicklung und Bedeutung der Normsetzung der Vereinten Nationen, der Internationalen Arbeitsorganisation und des Europarats zu Fragen des Sozialschutzes, Berlin 2005
Das Völkerrecht: Geschichte, Institutionen, Perspektiven, München 2009,.
Das System Putin. Gelenkte Demokratie und politische Justiz in Russland, Munich 2007,.
Verfassungskontrolle in der Sowjetunion und in Deutschland. Eine rechtsvergleichende Gegenüberstellung des Komitet Konstitucionnogo Nadzora und des Bundesverfassungsgerichts, Baden-Baden 1994,.
Publisher
Einführung in das russische Recht, München 2010,.
Bewusstes Erinnern und bewusstes Vergessen. Der juristische Umgang mit der Vergangenheit in den Ländern Mittel- und Osteuropas,,, Tübingen 2011,.