It was 2 rounds of technical interview, mostly on projects (including what, how, why questions, and how it could have been better), and the final round was HR discussion. First was purely technical, indepth of the project and the second was managerial round

Couple of question about the python data bases and overall techonolgies mentioned in the CV. Some discussion about architectual approaches based on the previous work. Overall expirience good but it seemed like recriuter was just going through my CV 30 min before the call nothing specific about the data science question,