Born into a family of musicians in Basel, Endre was introduced to the stage through the youth theatre and, after two productions at the Junges Theater Basel (director: Sebastian Nübling), studied acting at the Leipzig University of Music and Theatre. After finishing his studies, he worked at the Neues Theater Halle and the Zimmertheater Tübingen with several directors including Claudia Bauer, Christian Weise, Christian Tschirner, René Marik, Sevan Latchinian and Kristo Sagor. He was also involved in several co-productions with the Ruhrfestspiele Recklinghausen, TD Berlin and Kaserne Basel, among others.
In 2010 he began studying rhetoric and cultural anthropology at the University of Tübingen and continued his academic career with a master's degree in literary and cultural theory. In 2016, Endre received his PhD in German studies from New York University with a thesis entitled Framing the Modern Subject: Stage Directions in German-Language Drama between 1889 and 1922.
During his studies, he taught and lectured at Brown University, Cornell University, NYU, University of Zurich, LMU and HU Berlin, among others. In addition, he served as moderator for the New Literature Festival New York at the Austrian Cultural Forum in New York and organized various discussion formats at the Deutsches Haus. As a freelance dramaturg, he has worked on theatre projects in New York, Tübingen, Nuremberg, Stuttgart and Berlin. Endre began his tenure as a staff dramaturg at the Maxim Gorki Theatre Berlin in January 2024, working with Oliver Frljić and Sebastian Nübling, among other directors.