Spotify Interview Questions

Note: ensure you read the disclaimer on the previous page reading the accuracy and sourcing of these problems.

Find Missing Number in Array

We're given an array of continuous numbers that should increment sequentially by 1 , which just means that we expect a sequence like: 1, 2, 3, 4, 5, 6, 7 However, we notice that there are some missing numbers in the sequence. 1, 2, 4, 5, 7 Can you write a method missingNumb...

Difficulty: 4/10

Sum Digits Until One

We're provided a positive integer num . Can you write a method to repeatedly add all of its digits until the result has only one digit? Here's an example: if the input was 49 , we'd go through the following steps: start with 49 4 9 13 since the previous addition was 13, move ont...

Difficulty: 4/10

Implement a Hash Map

Arrays are amazing for looking up elements at specific indices as all elements in memory are contiguous, allowing for O 1 or constant time lookups. But often we don't, or can't, perform lookups via indices. Hash maps and hash tables are a way around this, enabling us to lookup via keys instead. ...

Difficulty: 3/10

Merge Intervals

This is a classic interview question that is used in _a lot_ in technical interviews, frequently in the form of a calendar or meeting management application. As such, we'll also assume the same use case, as it's easier to visualize. Suppose we're given a few arrays, like 1, 4 , 2, 5 , 7,...

Difficulty: 5/10

Two Sum from BST

This problem is a fun combination of the famous Two Sum problem combined with a binary search lessons binary search technique tree. Given the root of a binary search lessons binary search technique tree, and a target integer K , return true if there exist two nodes in the said tree...

Difficulty: 7/10

Two Stack Queue

Building a Queue with Two Stacks: A Challenge in Engineering Elegance The Objective: Queue with Stacks In this challenge, your task is to implement a queue using two stacks. While many programming languages offer queues through arrays or lists, we're restricting our approach to only utilize ...

Difficulty: 6/10

Zeros to the End

Write a method that moves all zeros in an array to its end. You should maintain the order of all other elements. Here's an example: js zerosToEnd 1, 0, 2, 0, 4, 0 1, 2, 4, 0, 0, 0 Here's another one: js zerosToEnd 1, 0, 2, 0, 4, 0 1, 2, 4, 0, 0, 0 F...

Difficulty: 5/10

Implement a Binary Search Tree

Let's implement a Binary Search Tree ! Recall that a binary search tree , or a BST , is a binary tree lessons an intro to binary trees and search trees that is ordered via these two properties: 1. The left sub tree of a node has a value less than or equal to its parent node's value. 2. The ...

Difficulty: 6/10

Find Deletion Distance

Can you determine the deletion distance between two strings? Let's define the deletion distance as **the numbers of characters needed to delete from two strings to make them equal.** For example, the deletion distance of algo and daily is 5. The reason is we can delete the go 2 deletion...

Difficulty: 7/10

Getting Your First Software Job Without Professional Experience

I ve had a few friends recently ask me about breaking into the software industry. Most have been looking for advice on getting a developer job at a consumer facing web internet company though places like Tesla and WeWork are also very popular. These friends have probably heard about the amazin...

Difficulty: 5/10

Introduction to Progressive Web Applications

Progressive Web Applications are apps that are intended to be used both in browser and on mobile devices. They load like regular web pages but can offer user functionality such as working offline, push notifications, and device hardware access traditionally available only to native applications. ...

Difficulty: 5/10

How to Recover from Burnout?

*You're exhausted, tired, your sleeping habits have changed, and you have no appetite for anything, not even your favorite local takeaway. You're now sniffling, and you've had enough of this job.* Sound familiar? This is **burnout.** When burnout occurs, it can feel as though you ve ran out of ...

Difficulty: 5/10

Interview Reports

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Software Engineer

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Contrast Emily’s introduction to technology with Catalina's and you'll realize there isn't a single approach to entering engineering or technology.

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Senior Software Engineer

Contrast Emily’s introduction to technology with Catalina's and you'll realize there isn't a single approach to entering engineering or technology.

People at Spotify Say

This information was sourced from reviews originally posted on Glassdoor.

Pay is mid-tier. Still great if you're comfortable knowing most SWE's at other tech companies make more than you.

Spotify is overall a great place to work if you have or are starting a family. The parental leave program is second to none and they're extremely supportive as you reintegrate back into the office.