I recieved a referral and the process started after a month.

Round 1: Screening

Q. Design a service that connects to small sized db and db rarely changes.
Q. Design a architecture which has credentials manager service and entry point service. List failure points, caching, flows etc.
Q. Write a program: reduce-the-string-by-removing-k-consecutive-identical-characters

Round 2: Loop 1

Q. Java 8 changes, Max using stream with unit tests cases
Q. Producer-Consumer problem lld
Q. Remove n elements after m node in Linked list with edge cases

Round 3: Loop 2

Q. LLD of a Authentication Library that can take type of authentication and then authenticate the incoming request.
Q. Intersection point between 2 linked lists
Q. Questions on Kafka and consumer threads.

Round 4: Loop 3

Q. HLD of Ecommerce Website
Q. Multiple questions on Docker, K8s

Round 5: HM

Q. Indepth current project discussion
Q. Shuffle and play songs and make sure the last 'n' songs are not played.

Round 6: Bar Tender

All STAR related questions, Current project discussion

Each round was of 1h and only Screening round was eliminatory.

Recieved the offer letter within a week.