His piano competition successes of 2003 and 2006 have led to an extensive international career. He appeared in numerous festivals and major halls throughout the world, including the Philharmonie Berlin, Konzerthaus Berlin, Sendesaal Bremen, Residenz Munich, Tonhalle Düsseldorf, Opéra National de Paris, Arsenal de Metz, Seoul Arts Center and Shanghai Oriental Art Center. He has made recordings for the German radios SWR, BR and France Musique. He has further recorded eleven CDs for the German labels Telos Music and NEOS Music, which were highly praised by the international press such as FAZ, Fanfare, Pizzicato, Piano News, ResMusica and ConcertoNet.
Aside from his activities as an interpreter, Prodromos Symeonidis has been a teacher, ensemble director and composer. During the last two decades he has been invited to give masterclasses, workshops or lecture concerts in numerous institutions and Universities in Europe (Hochschule Hanns Eisler Berlin, Hochschule für Musik Hannover, Centre Acanthes, École Normale de Musique de Paris, Conservatoire Royal de Liège), in USA (University of Virginia, University of Miami) and in Asia (Soongsil University of Seoul, Music Conservatories of Shanghai, Xi'an and Guangzhou). In 2008 he founded together with pianist and conductor Ya-ou Xie the internationally successful ensemble Berlin PianoPercussion, of which he was until 2020 the artistic director.
Since 2019 he has a teaching position for piano at the Academy of Music Berlin. From 2022 till 2024 he is part of the jury for the Berlin Senate's funding program for New Music Berlin-based ensembles.