Julen Castañeda Nuin is a 36-year-old professional football player from ESP. He plays primarily as a Defender. He stands at 180cm tall and weighs 77kg. His preferred foot is Left. His current market value is estimated at 100K €.

His most recent move was a from Zamora CF to SD Amorebieta on 2025-07-08.

Throughout the Spanish Segunda División RFEF 2025-2026, Julen Castañeda Nuin featured in 23 matches, averaging 0.3 tackles, 0.2 interceptions, and 0.5 clearances per game, while blocking 0 shots per game.