Information about these positions can be found at the following links:

PhD Level: https://www.uva.nl/en/about-the-uva/working-at-the-uva/vacancies/item/15-160.html

Postdoc/Assistant Professor Level: https://www.uva.nl/en/about-the-uva/working-at-the-uva/vacancies/item/15-159.html