He is on the books of Karacabey Belediyespor and wears shirt number 54. His main role on the pitch is Forward. His stronger foot is Left. His estimated market valuation currently stands at 150K €.

His latest transfer saw him join Karacabey Belediyespor from Ankaraspor FK via Free on 2025-09-11.

During the Turkish Second League 2025-2026 campaign, İ. Köse made 24 appearances, scoring 6 goals and adding 4 assists. He averaged 0.3 goals per match from 0 shots, with 0 on target.