Yıldırım played professional basketball for Pertevniyal, Taçspor, Şekerspor and Kayseri Meysu.
Yıldırım was an assistant coach for the Turkish national team at the EuroBasket 2022 and at the 2023 FIBA Basketball World Cup qualification.
[2] In June 2023, Yıldırım moved to Greece as the assistant coach of Greek powerhouse Panathinaikos.
[3] In the 2023–24 season, he won the EuroLeague title for Panathinaikos for the first time since 2011 and his third as an assistant coach.
[5] On February 16, 2025, he won the Greek Basketball Cup for the first time after beating Olympiacos in the final.