After beginning his career with hometown club Unia Tarnów, Matyjewicz spent a season at Hellas Verona before joining AKFC in August 2023. He made his first two appearances for the club in 2024/25, with his debut coming as a substitute in a 2-2 draw against Panathinaikos in September 2024.
Matyjewicz is a Poland from the Under-18 to Under-20 levels.