HackTheRounds Interview Experiences

Amazon SWE Interview Experience (2024): Lru Cache / Binary-Tree Traversal

Amazon SWE report (2024): screening interview; LRU cache, and binary tree traversal; outcome not stated. Logged 2024 02 17.

By HackTheRounds Team ยท 2026-09-09

Interview snapshot

Reported interview sequence

The account identifies screening interview, system design, low-level design, hiring manager, and Bar Raiser for the Amazon Software Engineer process.

Concrete details from this report

  • Problem patterns named: LRU cache, binary-tree traversal, sliding-window processing, and substring search.
  • Platforms mentioned: HackerRank, and LinkedIn.
  • Amazon-specific signals: Leadership Principles, and Bar Raiser.
  • Timing details stated: 5 hours, 1 hours, 20 minutes, and 10 minutes.

What stands out

For this 2024 Amazon Software Engineer report, the clearest differentiators are a broad 5-stage sequence, concrete prompts such as LRU cache, and binary-tree traversal, and explicit Amazon signals including Leadership Principles, and Bar Raiser. The account should be read as one candidate's experience, not a promise that every team uses the same loop.

Focused preparation plan

Prioritize trees and hierarchical data, arrays and sequence processing, string processing, and linked-list manipulation for this Amazon Software Engineer pattern, practice LRU cache, binary-tree traversal, sliding-window processing, and substring search with changed constraints, and prepare specifically for Leadership Principles, and Bar Raiser.

Continue preparing

Use the Amazon interview-question set to practice trees and hierarchical data, arrays and sequence processing, string processing, and linked-list manipulation for a Software Engineer loop from 2024. The complete question library lets you compare those areas across employers.