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Updated weekly · Last refresh Sep 22

Amazon Systems Engineer Interview Questions

The questions to prepare for a Amazon Systems Engineer interview. Questions from real interview reports rank first. Updated daily.

20questions
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1
CodingStart here. 10 questions · ~165 min
Text Parsing ScriptMedium
Practice

Parse CSV text and return records whose selected field exactly matches a target value.

CodingAlgorithmscsv parsingAmazon
Log Parsing for InsightsMedium
Practice

Parse structured log lines and aggregate HTTP status counts by endpoint using dictionaries.

bashaggregationAlgorithmsAmazon
Find Duplicates in ArrayMedium
Practice

Find each repeated array value once using a hash set while preserving discovery order.

deduplicationArraysArray ManipulationAmazon
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2
System Design3 questions · ~50 min
Amazon Order History PerformanceHard

Design Amazon Order History end to end and improve latency, scalability, correctness, and cost without compromising canonical order data.

latencyml inferencearchitecture patternsAmazon
Monitoring Anomalies Before OutagesHard

Design an ML-powered monitoring system that detects anomalies early and prevents service outages.

monitoringdistributed systemsanomaly detectionAmazon
System Design: Traffic SpikeHard

Design an ML-backed system that remains reliable and cost-effective during a 10x seasonal traffic spike.

cloud architecturesystem architecturedistributed systemsAmazon

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3
Behavioral & Leadership6 questions · ~99 min
Resolve a Manager ConflictEasy

Tests conflict resolution with a manager, including direct communication, ownership, and how you reached alignment.

CommunicationOwnershipbehavioralAmazon
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4
More topics1 question · ~17 min
Trade-offs in Data StructuresHard

Compare data structures by access patterns, cache behavior, memory cost, and concurrency when optimizing throughput.

system designcpu utilizationthroughputAmazon
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