He is on the books of Grasshopper Women and wears shirt number 24. At international level, he features for Switzerland Women U17. His main role on the pitch is Midfield.

Over 14 appearances in the Switzerland Women's Division 1 2025-2026, Giulia looser contributed 0 goals and 0 assists, completed 0 key passes from 0 total passes, and posted a passing accuracy of -.