In 2018, Kallon signed for
Serie D side
Savona, after having trialed for
Virtus Entella in the
Serie C. On 22 May 2021, he debuted for
Genoa in a 1–0
Serie A win over
Cagliari. On 13 August 2021, Kallon scored his first goal for Genoa, in a 3–2
Coppa Italia win over
Perugia. On 26 August 2022, Kallon joined
Hellas Verona on loan with an option to buy and a conditional obligation to buy. On 10 January 2024, Kallon moved on loan to
Bari. On 30 July 2024, Kallon was loaned by
Salernitana. On 3 February 2025, Kallon joined
Casertana on loan. On 14 August 2025, Kallon returned to
Casertana on a permanent basis. ==Career statistics==