Buchinger won one of the bronze medals in the women's kumite 61 kg event at the 2011 European Karate Championships held in Zürich, Switzerland.

[4] She won one of the bronze medals in the women's kumite 68 kg event at the 2014 World Karate Championships held in Bremen, Germany.

[6] In 2015, Buchinger won the silver medal in the women's kumite 68 kg event at the European Games held in Baku, Azerbaijan.

[12] In November 2021, she lost her bronze medal match in the women's 68 kg event at the World Karate Championships held in Dubai, United Arab Emirates.

[14] Buchinger won the silver medal in the women's 68 kg event at the 2022 World Games held in Birmingham, United States.