Contacted by HR through LinkedIn. HR is very kind and all the interviews are telephonic except final (over video), on time call and proper reminders about the interview. First screening consists of MCQs, others are mix of Java, algorithms and database. Overall took 10 days and offer rolled out in a weeks time.

Not very difficult,

Java HashMap, Hashtable, Concurrent HashMap, Cyclic barrier, Count down latch, Deadlock, livelock, race condition, design patterns

Algorithm Finding minimum all the time from a stream of characters, Kth minimum, etc

Database Bank transaction design, Transpose table, Nth maximum salary