He currently plays for TSV Schott Mainz, wearing the number 10 shirt. He plays primarily as a Midfield. His preferred foot is Right. His current market value is estimated at 50K €.

His most recent move was a from 1.FC Kaiserslautern Youth to TSV Schott Mainz on 2020-06-30.

Across 1 appearances in the DFB Pokal 2024-2025, etienne portmann registered 0 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.