Interview Questions

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What threat actors are you familiar with?
10 months ago
Given employee, department, and salary data stored in a dictionary, find the second maximum salary for each department.
5 months ago
Given a library-style schema with books, users, and check-in/check-out data, write a query to find for each user the number of books they checked out and did not return before the due date, and return the username and count.
5 months ago
How would you spot a phishing email?
10 months ago
Print all sub-arrays of an array with distinct elements.
2 answers
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Calculate the sum of all elements in a sub-matrix in constant time.
1 answer
What experience do you have with user-facing projects?
8 months ago
The leadership team wants to understand the ROI of a new feature—how would you structure that analysis?
a year ago
Tell me about a time you deployed a machine-learning model into production. How did it fit into the production environment and what tools did you use?
What does strategy mean to you?
a year ago
Optimize the listing on Amazon Seller Central and suggest improvements.
4 years ago
Find the longest repeating substring.
3 years ago1 answer
Find a sorted triplet in a given array.
1 answer
Given a large set of CSV files with thousands of paragraphs each, how would you detect duplicates within each file, and how would you scale this solution for many files?
2 years ago1 answer
As an employee at Zillow interested in predicting home prices, what modeling technique would you use?
Is it possible for a subclass in Python to inherit from multiple base classes?
How would you write a test for a coin flip function?
Replace each element in the array with the product of all other elements without using the division operator.
2 answers
Explain the statistical background behind power.
Explain how you would implement infrastructure to query and sort information on planets.
5 years ago

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Interview Questions

What threat actors are you familiar with?

Given employee, department, and salary data stored in a dictionary, find the second maximum salary for each department.

Given a library-style schema with books, users, and check-in/check-out data, write a query to find for each user the number of books they checked out and did not return before the due date, and return the username and count.

How would you spot a phishing email?

Print all sub-arrays of an array with distinct elements.

Calculate the sum of all elements in a sub-matrix in constant time.

What experience do you have with user-facing projects?

The leadership team wants to understand the ROI of a new feature—how would you structure that analysis?

Tell me about a time you deployed a machine-learning model into production. How did it fit into the production environment and what tools did you use?

What does strategy mean to you?

Optimize the listing on Amazon Seller Central and suggest improvements.

Find the longest repeating substring.

Find a sorted triplet in a given array.

Given a large set of CSV files with thousands of paragraphs each, how would you detect duplicates within each file, and how would you scale this solution for many files?

As an employee at Zillow interested in predicting home prices, what modeling technique would you use?

Is it possible for a subclass in Python to inherit from multiple base classes?

How would you write a test for a coin flip function?

Replace each element in the array with the product of all other elements without using the division operator.

Explain the statistical background behind power.

Explain how you would implement infrastructure to query and sort information on planets.

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