I applied online. I interviewed at Amazon in Sep 2025
Interview
This was the Technical interview round which went around an hour, so the HR asked about the technical concepts from my resume before he went on to the DSA questions. The DSA questions were from the topics of Arrays, Dynamic Programming, Min Heaps, Stacks, Two Pointers.
There were two questions from these topics combined, which were at a moderate to high level of difficulty, then he asked me about the searching or sorting algorithms I am familiar of and asked to write the code for it.
The overall experience was pretty much interesting as they were testing the depth of problem solving, while giving hints if asked for
Interview questions [1]
Question 1
They asked me a DSA question which covered the topics of Min heap, Dynamic Programming
The phone screen went longer than expected, focusing heavily on implementation details. The interviewer really grilled me on my approach to a Least Recently Used (LRU) cache, asking how I'd combine a hashmap with a doubly linked list. I felt well-prepared since I had gone through system design examples on PracHub, which made me comfortable discussing eviction policies. The later rounds included more technical questions and behavioral interviews, but in the end, I received an offer, though I ultimately decided to decline. Overall, I’d say the process was average, with solid questions.
Interview questions [1]
Question 1
Design and implement a Least Recently Used (LRU) cache supporting get(key) and put(key, value) in O(1) average time. Walk through combining a hashmap with a doubly linked list, eviction policy when capacity is exceeded, and how you'd extend it to handle thread-safe concurrent access.
Recruiter reaches out after applying through Amazon careers, no referral. Had an initial OA, then after a month had four rounds in two days - three coding one system design. Each round had 30 min behavioral and 30 min coding.
Interview questions [1]
Question 1
Questions were mainly hashmap, sliding window and interval related.
Interview by recuriter, Phone interview over Chime with one easy Leet code problem and 2 behavioral questions. Although the interviewer was very casual at the start of the conversation, it quickly changed into behavioral questions at the start.
Interview questions [1]
Question 1
Encoding optimization algorithm and talk about a project you did recently.