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Backend Software Engineer Interview Questions
Practice 9403 coding, system design and machine learning questions from 546 companies, sorted by role, topic and interview round. Every question has step-by-step hints, a code runner that supports 8 languages and an AI mentor; members also get the full solution walkthrough.
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Showing 1–2 of 2 results
- TikTokMediumBackend Software EngineerImplement Hash Map Operations
Build a hash map behind a deterministic operation stream with insertion, replacement, lookup, removal, and missing-key behavior. The specification avoids built-in map storage and fixes return ordering and value bounds for a future portable console implementation.
Coding & AlgorithmsOnsite - TikTokMediumBackend Software EngineerProcess LRU Cache Operations
Implement an LRU cache through a deterministic stream of put and get operations, including updates, misses, and eviction order. The prompt defines an exact portable function contract and examples suitable for a later four-language console handoff.
Coding & AlgorithmsOnsite
TikTok