[2] As part of the 2019 Red Bull Cliff Diving World Series, Popovici won the gold medal at the stop held in Dublin, Ireland in May, marking the first time in the history of the Red Bull Cliff Diving World Series that a Romanian achieved a first-place finish.

[3] In the third round of competition of the 2021 Red Bull Cliff Diving World Series stop held in County Mayo, Ireland in September, Popovici earned four tens and won the silver medal, finishing ahead of bronze medalist Alessandro De Rose of Italy and behind Gary Hunt of France.

[7] The following month, he placed 21st in the 10 metre platform event at the 2022 World Aquatics Championships, held at Danube Arena in Budapest, Hungary, with a score of 345.10 points.

[10] His first dive, on 18 August with a 2.8 degree of difficulty, scored 75.60 points, which tied him in rank for third with the Italians Andrea Barnaba and Alessandro De Rose.

[14][15][16][17][18] One week later, Popovici won the stop of the 2022 Cliff Diving World Series held in Mostar, Bosnia and Herzegovina, with a score of 481.50 points, which set a new record for the highest score ever achieve at a single Red Bull Cliff Diving World Series stop.