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Updated weekly · Last refresh Oct 17

Amazon Kuiper Commercial Services Data Engineer Interview Questions

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

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1
SQL & Data ManipulationStart here. 11 questions · ~113 min
Total Sales by Category and LocationMedium
Practice
Recently asked

Use joins, effective-dated pricing, filtering, and aggregation to calculate Kuiper sales by category and location.

aggregationsqlAmazon Kuiper Commercial Services
SQL Running Total by DateMedium
Practice
Recently asked

Aggregate posted OneTrust privacy request charges by date and calculate cumulative revenue with a CTE and window function.

Window FunctionsDate FunctionsRunning TotalsAmazon Kuiper Commercial Services
Second Highest Without AggregatesHard
Practice
Recently asked

Find the second highest salary in each department without using aggregate functions.

SubqueriesRankingSelf-JoinsAmazon Kuiper Commercial Services
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2
Coding5 questions · ~51 min
Reverse a Linked List in PythonEasy
Practice
Recently asked

Reverse a singly linked list in place using an iterative pointer update or recursion.

RecursionLinked ListspointersAmazon Kuiper Commercial Services
Maximum Subarray SumEasy
Practice
Recently asked

Compute the largest sum of any contiguous subarray using Kadane's algorithm in O(n) time.

Dynamic ProgrammingArraysGreedyAmazon Kuiper Commercial Services
Implement Binary SearchEasy
Practice
Recently asked

Implement binary search to find a target value in a sorted array in O(log n) time.

Recursionbinary searchArraysAmazon Kuiper Commercial Services
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3
Pipelines14 questions · ~144 min
Data Warehousing in PipelinesEasy
Recently asked

Explain what a data warehouse is and why it matters in analytics pipelines.

InfrastructureETLData ModelingAmazon Kuiper Commercial Services
Handle PySpark Data SkewMedium
Recently asked

Approach for detecting and mitigating skew in PySpark pipelines using partitioning, join strategies, and runtime monitoring.

Data Qualitypysparkdata skewnessAmazon Kuiper Commercial Services
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4
Behavioral & Leadership8 questions · ~82 min
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