Boultam made his professional debut in the
Eerste Divisie for
Jong Ajax on 27 January 2017 in a game against
FC Den Bosch. On 9 July 2018, Boultam's contract at
Ajax was not extended. He moved on a free transfer to Italian club
Cremonese. On 7 August 2020, his contract with Cremonese was terminated. On 16 August 2020,
Triestina announced that Boultam had signed a three-year contract with the club. On 1 February 2021, Boultam moved to
Serie B club
Salernitana on loan with an obligation to buy. On 12 August 2021, he went to
Cosenza on loan. On 31 August 2022, Salernitana loaned Boultam again, this time to
Istra 1961 in Croatia. On 23 August 2023, Boultam joined Slovenian team
Olimpija Ljubljana on a contract until 2026. ==Career statistics==