Applied through Staffing Company who work closely with Recruiters of Genia Technologies (Roche group). Was invited for onsite interviews to meet about 5 people. FIrst interviewer was very rude and don't know what to ask/question and everything is in the air like I need to assume and provide an answer. But for any of my correct answers he belittled me all the time. Another person is like about 50yr old person and his questions were not to the point and doesn't seem convinced however I elaborate. And at the end of the interview he game me his emailID and asked me to send him linear algebra equation problem. And other interviewers are reasonable with focusing on Technology Stack they will be using/needing the candidates for and they seem satisfied with my responses.