[2] Ponomarenko made his debut at professional level in 2017 when Dnipro was in crisis and relegated to the Ukrainian Second League (tier 3) due to administrative sanctions from FFU (later UAF), pressured by FIFA due to the club's financial obligations.
[3][4] Next season he moved to his native Crimea and participated in the local tier-2 competitions for reserves of Krymteplytsia as well as a village team Uyutne.
[7] It also became known that to justify his playing statistics in football competitions on the territory of Crimea in 2019, Ponomarenko made a following comment to the FC Lviv press service: The fact is that after "Dnipro" I was injured, and I did not have money to have an operation in Ukraine.
He spent a season in the 2020 Tajikistan Higher League playing for CSKA Pamir Dushanbe.
During the 2020–21 winter break transfer window, he signed with Bukovyna which played in the 2020–21 Ukrainian Second League (tier 3).