I applied through college or university. The process took 2 months. I interviewed at Persistent Systems (Calcutta) in Sep 2021
Interview
First, there was an AMCAT assessment and then shortlisting. The exam was moderate with the aptitude and coding questions. The placement was an on-campus offer. Then after shortlisting, there was the technical interview and then the HR assessment.
Interview questions [1]
Question 1
Preferred programming language? OOPs concept, Bootstrap in OS.
The process took 3 months. I interviewed at Persistent Systems in Nov 2021
Interview
It was very lengthy and thorough. I had to give 3 tests on HackerEarth. I have given the following tests:
1. Persistent ML L1 Test - 27/10/2021
2. Persistent_Data_Practice - 11/11/2021
3. Persistent Data Scientist Hiring Test - 11/11/2021
4. Machine Learning L2 Interview - 02/12/2021.