The interview was fine, but there was a very great inclination towards the Spring framework. The interviewer also went on to say that bookish knowledge wouldn't help, which I think was wrong.
What is JPA?
What is Spring Boot?
How do microservices communicate?
The following metrics were computed from 1 interview experience for the IBM Product Engineer role in India.
IBM's interview process for their Product Engineer roles in India is extremely selective, failing the vast majority of engineers.
Candidates reported having mixed feelings for IBM's Product Engineer interview process in India.