Avcı went to İstek Private Semiha Şakir High School with the achievement grant by İstek Foundation and graduated from there in 2001 with CGPA 5.00 in the first ranking. She was admitted to Yeditepe University Faculty of Law with scholarship and graduated in 2005 in the first ranking. Upon this success, she was given the right to receive language training in Germany and study LL.M. at Heidelberg University (Ruprecht-Karls-Universität Heidelberg) with the scholarship provided by Yeditepe University. In 2006, she completed German language training (DSH-3) with excellence in the first ranking at Max-Weber-Haus Language Institute of Heidelberg University. She began writing her LL.M. dissertation titled “Verjährung im türkischen und deutschen Recht” (The Lapse of Time under Turkish and German Law”) in 2007 under the supervision of Prof. Dr. Burkhard Hess and she completed her studies in 2008 with distinction (“sehr gut”) in the first ranking. Afterwards, she successfully passed the courses she took at the doctoral sufficiency stage and gained the right to study Ph.D. at Heidelberg University. In 2009, she began writing her dissertation titled “Schuldbeitritt nach türkischem und deutschem Recht” (Accession to Obligation under Turkish and German Law) under the supervision of Prof. Dr. Christian Hattenhauer with the success scholarship granted by Konrad-Adenauer Foundation. She joined numerous national and international scientific meetings. She worked as a research assistant at the chair of Prof. Dr. Christian Hattenhauer at Heidelberg University between 2007 and 2012, and supervised undergraduate students at several seminars.
After completion of her Ph.D. in 2013, she started working at Yeditepe University Faculty of Law, Department of Civil Law. She lectures “Law of Obligations General Provisions” and “Law of Inheritance” at the Faculty of Law, as well as teaching Turkish Law of Obligations course in German at the Departments of International Business Administration (in German) and Business Informatics (in German).