Amazon Software Development Engineer SDE interview questions

1.5 hour technical interview, with behavioral questions for 30 minutes and coding challenge for 1 hour. The coding challenge was difficult, while the behavioral was standard questions. The process initially started with a few questions from a recruiter and then progressed to the technical interview.

completed a 2-question OA, then phone screen with a shadow interviewer. Asking a heap type OOD design question. Unfortunately, I failed as I am not proficient at leet coding in Sept 2021