There were 3 rounds. Interview process was nicely conducted. Mostly questions are from JavaScript, Angular 2+ and data structure questions . You need to have strong hold on core JavaScript concept, not definition based but real understanding of core concept. Lots of logic based Programming questions and puzzle were asked. JavaScript concept Closures Call back Prototyping Object.assign And many more. Recommend to read "you don't know JS " book to grasp core understanding of JavaScript concepts.