She won the silver medal in the women's 48 kg event at the 2020 European Judo Championships held in Prague, Czech Republic.

[2][3] Stojadinov represented Serbia at the 2018 Mediterranean Games held in Tarragona, Catalonia, Spain.

In that same year, she won the gold medal in the women's 48 kg event at the 2018 European U23 Judo Championships held in Győr, Hungary.

[4] A year later, she won one of the bronze medals in this event at the 2019 European U23 Judo Championships held in Izhevsk, Russia.

In 2021, Stojadinov competed in the women's 48 kg event at the Judo World Masters held in Doha, Qatar.