After beginning his career with hometown club Unia Tarnów, Matyjewicz spent a season at Hellas Verona before joining AKFC in August 2023.
He is a member of the Poland Under-19 national team, and participated in the 2023 UEFA Under-19 European Championship in June 2023.
Matyjewicz was on loan to Super League 2 club Diagoras until the end of the 2023/24 season.