Hamech made his professional debut against Franck Gross in April 2011. He defeated Gross by decision.[1] He would go on to amass a 3-3 record, before being given a chance to fight Chaichana at La Nuit Des Challenges 13 for the WBC Muay Thai World featherweight title. Hamech won the fight by a first round knockout.[2][3]
Hamech traded wins and losses over his next four fights, winning against AbdelOuahab Yalmani and Takayuki Nagayama, but losing to Pattaya Lek Sit Sen and Takeru Segawa. He was given the chance to challenge Ryuji Horio for the Krush Super Bantamweight title at Krush 61.[4] Horio won the fight by decision.
Hamech won his next two fights by TKO, against Andrea Castiglione and Javier Lantaron Vizcaino, before losing to Dean James.[5] Hamech then defeated Roman Skulsky and Wang Junguang by decision, as well as Kongyoy THheepakorn by knockout, before losing to Phetmuangchon Por.Suantong by decision.[6] After losing to Phetmuangchon, Hakim went on a three fight winning streak, during which he won the rematch with Franck Gross by decision, and beat Mike Astarita and Yun Qi likewise by decision. Following this winning streak, he went on a three fight losing streak, most notably losing to Astemir Borsov.
Moving away from ONE, Hamech scored a second round knockout of Plangrith at La Nuit Des Challenges 19.[9] He was next scheduled to fight Nabiyom Tefsai at GVA Fight Night 2.[10] Tefsai won the fight by decision.[11]
Hamech faced Panomdet at La Nuit Des Challenges 20 on December 18, 2021. He won the fight by a first-round knockout.[12]