I was interviewed for a full-stack developer position. There was one coding round, two technical rounds (each lasting more than an hour), and one tech+managerial round. After a week, an HR round happened. For frontend, I had experience only on Angular, but the project I was interviewed for works on React. The interviewer asked questions from JavaScript and the basics of Angular.

JavaScript ES6-based questions like destructuring, spread and rest operators, arrow functions, array methods, designing of generic components, Bootstrap-based, and Angular-based questions.

To design a dictionary using Java collections and performance enhancement based on hashCode and equals.

Spring MVC, Spring Boot, Spring Bean life cycle, cyclic dependencies on beans.

Inheritance, Java 8 features, disadvantages of functional programming, serialization, performance improvement of serialization, custom serialization implementation, concurrency-based questions.