On 11 July 2020, at just 17 years-old, Fortune made his professional debut for Atlanta United 2, the USL Championship affiliate of Atlanta United.[2] That same season, Fortune scored his first professional goal against Miami FC with a right-footed strike from outside the box.[3]
On 27 August 2021, Fortune signed a professional contract with Atlanta United 2.[4]
After a series of impressive performances for Atlanta United 2, Atlanta United rewarded Fortune with a first-team contract at the club, becoming only the 14th player in franchise history to transition from the academy to the first-team. Fortune was then named by head coach, former West Ham United midfielder, Jack Collison as team captain for Atlanta United 2 for the remainder of the 2022 USL season.[5]
At 18 years-old, Fortune received his first senior call-up in January 2021 ahead of a friendly with the United States.[9] He made his debut in the game, as a starter.
In June 2023, Fortune was named to the 23-man squad for the 2023 CONCACAF Gold Cup.[10] In Trinidad's opening game of the tournament against Saint Kitts and Nevis on June 25, he scored his first goal, netting the second in an eventual 3–0 victory.[11]