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Updated weekly · Last refresh Oct 17

Amazon Web Services Data Engineer Interview Questions

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

43questions
~8htotal time
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1
SQL & Data ManipulationStart here. 9 questions · ~96 min
Attendance Management Schema and SQLMedium
Practice

Design two attendance tables and write simple PostgreSQL queries for employee presence, absences, and daily summaries.

Joinsdatabase designAggregationsAmazon Web Services
Top Purchase Amount After JoinMedium
Practice

Find the customer with the highest total purchase amount by joining transactions and products and multiplying quantity by product cost.

JoinscalculationsAggregationsAmazon Web Services
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2
Coding5 questions · ~53 min
Kth Largest ElementMedium
Practice

Find the kth largest element in an array using a heap or quickselect.

ArraysData StructuresAlgorithmsAmazon Web Services
Transform JSON Logs to TablesMedium
Practice
Recently asked

Recursively flatten nested JSON logs into consistently shaped tabular rows with deterministic columns.

json parsingData StructurespythonAmazon Web Services
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3
System Design7 questions · ~74 min
DWH for Employee Hours and HeadcountHard

Design a data warehouse for employee hours, headcount, and hiring and attrition metrics by department and building.

enterprise architecturedata ingestiondata streamsAmazon Web Services
Track Transactions with 100% AccuracyHard

Design a transaction tracking system for AWS FinTech that preserves exactness, auditability, and low-latency ingestion at scale.

Amazon Web Services
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4
Technical Fundamentals3 questions · ~32 min
UPS and Data Center Power BasicsMedium
Recently asked

Evaluates your understanding of core data center power concepts and single points of failure.

Infrastructuredata centerAmazon Web Services
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5
Pipelines6 questions · ~64 min
Design Streaming ETL to WarehouseHard
Recently asked

Assesses end-to-end design for streaming ingestion, transformation, and loading into a cloud warehouse.

ETLAmazon Web Services
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6
Behavioral & Leadership13 questions · ~138 min
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