Joanna Hajkiewicz was born on 1 August 1997 in Szczecin. She started her education at the age of 7 in the Primary Music School in Szczecin, where her teacher was Grazyna Wieteska MA. She graduated with honours. In the years 2007 – 2013 she attended the Secondary Music School in Szczecin, where she studied with Wladimir Iwanciw MA. She took part in the All-Polish Art Competition in the music history speciality, reaching the finals. She presently studies at the Poznan School of Music with Prof. Marcin Baranowski and his assistant Maxima Sitarz. He was awarded prizes in numerous violin competitions, such as:
- 1st Prize at the Meetings of the Young Violinists and Violists from Secondary Music Schools in the Zachodniopomorskie Province in 2009.
- Finalist of the Jozef Muzik International Violin Competition in 2012.
- 3rd Prize at the Jozef Muzik International Violin Competition in 2013.