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Interview questions by company and topic | SysRound

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6 questions

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Practical engineeringHard
Function-Call LRU Cache: Argument Key Generation and Crash Recovery from a Log
Companies: Anthropic
Data Structure Design · Database Internals
Last reported Jul 2026
Open workspace
Practical engineeringMedium
Implement a Recoverable In-Memory Key-Value Store
Companies: OpenAI
Database Internals · Key-Value Stores
Last reported Jun 2026
Open workspace
CodingHard
Implement Persistent KV Store Serialization
Companies: OpenAI
Database Internals · Key-Value Stores
Last reported Apr 2026

CodingMedium

Implement a crash-resilient LRU cache

Companies: Anthropic

Caching · Data Structure Design · Database Internals · System Design

Last reported Mar 2026

System designHard

Design an in-memory database

Companies: OpenAI

Database Internals · Key-Value Stores · System Design

Last reported Aug 2025

System designMedium

Design in-memory database API

Design an API for an in-memory database.

Companies: OpenAI

Database Internals · Indexing & Query Performance · System Design

Last reported Jul 2025