At international level, he features for Poland U16. His main role on the pitch is Forward. His stronger foot is Left.

His latest transfer saw him join Legia Warszawa B from Legia Warszawa (Youth) via on 2025-08-01.

During the Polish Cup 2025-2026 campaign, maciej ruszkiewicz made 1 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 0 shots, with 0 on target.