Maier was called up in May 2015 by
Aleksandr Krestinin to represent
Kyrgyzstan national team in the 2018 FIFA World Cup Qualifiers against
Bangladesh and
Australia. He made his debut in a 3–1 victory against
Bangladesh, playing the full match. Since 2023, he has been a player-assistant coach at the German club Vorwärts Nordhorn. Since October 2025, he has been the club's head coach. ==Career statistics==