1. Test
2. First Round with Junior Engineer (1.5- 2 year Experience)
3. Second Round with Senior
4. CTO
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Be prepared for OOP, they asked too much oop question like too much about interface, abstraction and too much manipulated question like variable with static private and have to access out side class. So be prepared for oop. Also be prepared for the DSA (NON-PRIMATIVES - NON- LINEAR) Linked List, Tree, BST, ARRAY, MAP, SET, HASHMAP.
For data base joins, sub queries, stored procedures, Normalization, Indexing, Views, Do all question Nth highest lowest, every possible question and with concept you know the syntax wise above all.
Plus-> API, RESTAPI, PROTOCOLS, Threading, STREAMS, Collections, AUTH/Atho. JWT