I applied online. The process took 2 weeks. I interviewed at State Street (Kraków) in June 2018
Interview
First interview is conducted via phone and then, if you succeed, you are invited to the office. Overall atmosphere was friendly and accomodating, thus answering question was not so stress generating as you could guess. Questions ranged from personal (what are my weaknessess, why did I leave former job) to skill/knowledge (question about financial markets mostly). They reached to me with feedback within one week.
I applied online. The process took 1+ week. I interviewed at State Street (Kraków) in Feb 2019
Interview
2 interviews: 1 with Human Resources in India, second with two Hiring Managers in company's office in Krakow. Simple questions for graduate students, moved from Polish to English and back a few times.
I applied online. The process took 3 weeks. I interviewed at State Street (Kraków) in Dec 2016
Interview
First two rounds of interview I was called from India, pretty simple and repetitive process. Third interview was in my future office with two managers. Since the second interview I was asked few industry related questions, which were not very complicated. Interviewers were very nice.