Amazon Data Engineer Interview Questions

Review this list of 38 Amazon Data Engineer interview questions and answers verified by hiring managers and candidates.

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Product of Array Except Self Has video answer
+32 years ago73 answers
Most Recent Transaction
a year ago31 answers
Given an array, find the two sum.
+12a year ago60 answers
Given an nxn grid of 1s and 0s, return the number of islands in the input. Has video answer
+72 years ago22 answers
Write a query to find all dates where the stadium had three or more consecutive days with attendance of 100 or more people.
a year ago2 answers
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Session Data Analysis.
a year ago6 answers
Given the head of two singly linked lists, write a function to return the point where they intersect (if any).
+32 years ago
Find the maximum subarray sum.
+135 months ago34 answers
Create geographic and demographic dashboards for weekly, monthly, and yearly analytics using order data (100M daily records for 5 years) and customer data (1B customers).
a year ago1 answer
What is the difference between NoSQL and SQL?
+33 months ago3 answers
Merge k sorted linked lists. Has video answer
+920 days ago14 answers
How do you encourage collaboration among cross-functional teams?
+18 months ago2 answers
Calculate the trapped rainwater between bars in a given array.
+102 years ago14 answers
How do you set expectations on a project?
a year ago1 answer
What is the difference between OLTP and OLAP?
3 years ago1 answer
Design a data pipeline that updates hourly and powers a dashboard showing the most common Alexa user requests, broken down by country.
3 years ago
Top k frequent elements
+12 years ago1 answer
Given an array of children’s ratings, assign at least one candy to each child so that higher-rated children get more than their neighbors, and return the minimum total candies needed.
a year ago

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Amazon Data Engineer Interview Questions

Product of Array Except Self Has video answer

Most Recent Transaction

Given an array, find the two sum.

Given an nxn grid of 1s and 0s, return the number of islands in the input. Has video answer

Write a query to find all dates where the stadium had three or more consecutive days with attendance of 100 or more people.

Session Data Analysis.

Given the head of two singly linked lists, write a function to return the point where they intersect (if any).

Find the maximum subarray sum.

Create geographic and demographic dashboards for weekly, monthly, and yearly analytics using order data (100M daily records for 5 years) and customer data (1B customers).

What is the difference between NoSQL and SQL?

Merge k sorted linked lists. Has video answer

How do you encourage collaboration among cross-functional teams?

Calculate the trapped rainwater between bars in a given array.

How do you set expectations on a project?

What is the difference between OLTP and OLAP?

Design a data pipeline that updates hourly and powers a dashboard showing the most common Alexa user requests, broken down by country.

Top k frequent elements

Given an array of children’s ratings, assign at least one candy to each child so that higher-rated children get more than their neighbors, and return the minimum total candies needed.

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