Mustafa Yildirim is a Machine Learning Infrastructure Engineer at Character.AI, where he builds scalable infrastructure for large-scale AI systems. He focuses on enabling efficient training, deployment, and operation of production ML workloads. Previously, he worked across banking, travel, and startup environments, designing distributed systems and cloud-native platforms in both highly regulated and fast-paced settings. Mustafa is passionate about ML platform engineering and bridging the gap between research and production to help teams ship reliable, high-impact AI systems at scale.