Following the successful completion of his academic journey at Girne American University, Kasım embarked on a distinguished career trajectory. He commenced his professional voyage as an architect at Turuncu Architecture, where he diligently contributed for a decade. Subsequently, he transitioned to pivotal roles as a conductor and manager, overseeing operations within esteemed establishments including Favorite Airports and K+A Partners. In a significant career juncture, Kasım assumed the esteemed position of a founding partner at AAC Mimarlık in 2022, further solidifying his integral role in the firm's inception and ongoing endeavors.