He is on the books of Real Sociedad U19 and wears shirt number 13. His main role on the pitch is Defender.

His latest transfer saw him join Real Sociedad C from Real Sociedad U19 via on 2025-07-01.

Across the Spanish Segunda Division 2025-2026, Iker Calderon appeared in 13 matches and averaged 0.4 tackles, 0.1 interceptions, 1.2 clearances, and 0 blocked shots per game.