The first round was a telephonic round which lasted for 45 minutes. The interviewer asked various questions based on the resume. It was very interactive and pretty much easy if you are confident with your resume.

Then, a coding challenge link was sent to you where you will have a test time of 4 hours and a few algorithm-related questions. This was a tough round and tested your problem-solving capabilities to the maximum. The questions range from difficulty 1-5 (on a scale where 5 is maximum), and solving these requires extensive practice and deep understanding of algorithms.

Implementing a snake game, printing prime numbers in O(n log n) time, etc.