Zachary David began his motorsport career in karting at the age of five, securing multiple national and regional titles. In 2022, he made his single-seater debut in the ADAC Formula 4 Championship with US Racing. The following year, he competed in the Italian Formula 4 Championship, achieving four podium finishes and securing seventh place overall. In 2024, he participated in the Formula Regional Middle East Championship with R-ace GP, finishing fourth with four podiums. As of 2025, he is competing in the Formula Regional European Championship with CL Motorsport.