ACI Worldwide Senior Software Engineer interview questions

Microservice with Spring boot. Spring cloud, load balancer, circuit breaker, exception handling with Spring boot. Java concepts like Java8 streams, Java8 features, multithreading basics.

Rest API: Comparison between REST & SOAP Different HTTP methods for Rest API Error Codes in REST API Programs: Fibonacci Series Using Recursion, Questions on complexity Common elements of a String or List, complexity, use different data structures DB: SQL: Students & Courses Design table for Students & Courses, Write an SQL query to get all the students that are enrolled to a particular course or vice versa Print the name of all courses enrolled by a Student What primary keys or indexes would you add to optimize query performance? Questions on how to make asynchronous operations in Java? Questions on multithreading