Sharing my recent interview experience with Arrise Solutions.

YOE: 4.5 years
Round 1:
Time: 1hr

Theory:

1. React fiber
2. Reconcilliation in react
3. Data Structures - tree, graph
4. Closurea in JS - concept with real world exapmples
5. useEffect vs useLayoutEffect

Coding:

1. currying sum problem
2. Create a function which will delete the element in a linked list at given position starting from end.
   inputs - head of list & index
   return - head of updated list
3. progress bar in react
   inputs - total_time & interval are given
   as prop to the component and progress
   should happen after fixed time(given
   interval) so that it would reach to 100%
   in given total_time

Round 2:
Time: 1hr

Theory:

1. what are the closures with example?
2. what is prototype and how inheritance works in JS?

Coding:

1. Leetcode medium problem - supposed to be solved in 30 mins
2. Implement polyfill for reduce method

Final Result:

Rejected. Couldn't solve leetcode problem.

Personal Feedback:

Dont focus on only topics mentioned by HR which would be considered for a particular round, be ready with any topic in scope.

Hope this helps if anyone preparing for same.