Gambor is a youth product of his local club Blois Football 41 for 12 seasons.[2] He began his senior career with the reserves of Orléans in 2019.[3] On 15 June 2020, he signed his first professional contract with Paris FC, where he again joined the reserves.[4] He transferred to Dunkerque in the summer of 2022 until 2025, and in his debut season helped the club earn promotion to the Ligue 2.[3]
On 31 January 2024, Gambor signed for Belgian Pro League club Gent on a three-and-a-half-year contract.[5]