you need to prepare in leetcode, better to complete 100 medium and 50 hard. Including dynmaic. all types of sort, BFS, DFS, window. Java basic, cs basic, database, redis, Network, https, http.

Good Interview and very friendly. Started with asking my background and experience. Theoretical questions were asked mostly. Data structures (Hashmap), Sql questions, JDK differences, Springboot annotations, Network protocols, try catch block questions were included.