The first round is classic 30 minute HR question. The second round is technical interview. Mostly questions regarding Java concepts and implementations - data types, multithreading etc. One short problem solving question. The third interview was something between technical and HR, mostly discussing my CV and the project I'd work on if hired.
I applied through a staffing agency. I interviewed at FIS (Pune) in Aug 2023
Interview
Short and meaningful and conducted in one day and direct joining after 3 to 4 days and then joining kit was given and then after all formalities of joining was done
I applied online. I interviewed at FIS (Belgrade, Central Serbia) in Oct 2022
Interview
Failed the prelims, planning to apply for next opening in February/ March, getting ready for opportunity this time, at least to get to real interview. You got like a test and problems combined for a limited time, so you try to do as much as possible