Dr Bajnok graduated from Semmelweis Medical University in 2000 and continued her studies as a PhD student with a scholarship and graduated summa cum laude. She worked as a researcher at Rush University Medical Center in Chicago from 2003 to 2005. She obtained her diabetologist and obesitologist license in 2014 and completed her endocrinologist exam in 2016.
She was a departmental doctor between 2008 and 2009 in the Diabetology Ward of Internal Medicine Department No. 3 of the Bajcsy-Zsilinszky Hospital and Clinic, Internal Medicine Department No. 2 of the Hungarian Military Hospital, and until now in the Endocrinology and Diabetology wards of Internal Medicine Department No. 2 at the Hungarian Army Healthcare Centre.
She speaks English and German.