There were three rounds of interviews, two telephonic and one f2f. Asked mainly abt the tools used in Data pipelines like Spark, Kafka, NoSQL, etc. QUestions also were based on very basics of Machine learning algorithms, not mandatory but good to know

This interview was for Junior Big Data Engineer position and generally they are looking for your willingness. In addition to this, they pay attention to your sociability. You should be open to travels.