On 16 January 2022, he scored his first goal in a 4–1 victory against Beerschot A.C. at the Cegeka Arena in the 2021–22 Belgian First Division A.

[6][7] In an interview with Nemzeti Sport, Hamburg's trainer, Tim Walter said that Németh has to improve physically and his skills with his left foot.

[24] However, he suffered a knee injury after the match so he had to leave the national team the following day and could not play against Greece in Budapest.

[25] On 7 November 2023, Marco Rossi invited him to play against Bulgaria and Montenegro in the UEFA Euro 2024 qualifying matches.

[27] On 16 November 2023, he entered the pitch as a substitute for Martin Ádám in the 74th minute in the penultimate match of the UEFA Euro 2024 qualifying Group G against Bulgaria.