Jett competes in beach volleyball and currently represents the Northern Beaches Volleyball Association, having started when he was 4 years old. His most recent achievements include winning the Mikasa Cup, placing 5th at the Australian Championships, and three-peating the U17, U18 and U19 Divisions of the Australian Youth and Junior Beach Volleyball Championships. His aspirations include winning the Olympic Games. He finished fifth at the 2023 Trinbago Commonwealth Youth Games with his teammate Mitchell Croft.