His main role on the pitch is Defender.

His latest transfer saw him join Heart of Midlothian FC B from Stranraer via Loan on 2026-05-30.

Across the Scottish Bells Challenge Cup 2025-2026, Matthew Gillies appeared in 4 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0.3 blocked shots per game.