Wish Interview Questions

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Closures and Dependency Injection

In JavaScript, closures and dependency injection are powerful concepts that enable modular, maintainable, and flexible code. In this challenge, you will explore these concepts by implementing a specific functionality using closures and then using closures for dependency injection. **Part 1: C...

Difficulty: 6/10

Find in Shifted Sorted Matrix

Understanding the Matrix Shift Problem Suppose you have a matrix where each row and column is sorted in ascending order. Your task is to apply two specific types of shifts, described below, and locate a given element x in the transformed matrix. Shift Types **Left Circular Shift l :** ...

Difficulty: 8/10

Matrix Operations

Here's a fun one: let's say we have a 2D array matrix that is a size of m rows and n columns. It is initially prefilled with 0 s and looks like the following: js 0, 0, 0, 0 , 0, 0, 0, 0 , 0, 0, 0, 0 We are then given a list of increment operations to be performed on ...

Difficulty: 7/10

Max Leaps in Jump Game

We have an array that model square blocks on a city street. On each block is a non negative whole number. Ever heard of hopscotch? Picture that as an array: 1, 3, 2, 2, 1 Now, in hopscotch, you need to jump in patterns from the start to the end of the boxes. We can model that behavior in the...

Difficulty: 5/10

Identical Trees

Can you write a function to see if two binary trees are identical? 1 1 2 3 2 3 The above two trees share the same structure in terms of shape and location of each parent nodes' children. Additionally, each corresponding nodes at every posit...

Difficulty: 4/10

Fast Minimum In Rotated Array

We're given an array of integers that looks like the following: js 0, 1, 2, 3, 4, 5, 6, 7, 8 Let's imagine we're an assembly line and we decide to shift some workers around. Say we take our array, and rotate it at a random pivot so that the section after the pivot comes before. Le...

Difficulty: 4/10

Length of String Compression

Let's define the "compacting" of a string as taking an input like the following: 'sstttrrrr' . We want to take the number of sequential appearances number of times it shows up in a row of each letter: s: 2 t: 3 r: 4 And denote them next to the original character in the string,...

Difficulty: 6/10

Implement a Stack With Minimum

Recall that a stack is an abstract data type modeling a collection of elements. Its primary operations are push which adds an element to the top of the stack and pop which removes the most newest element . Traditionally, a stack can easily be implemented in many dynamic languages using an a...

Difficulty: 6/10

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

Databases and SQL Interview Questions Cheat Sheet

On Databases The scale of data on this planet and beyond is impossible to imagine. But ever wondered how this data is kept and processed? Well, the answer is obvious in our world of software it's databases . **A database** is a system used to save and process data in an efficient man...

Difficulty: 5/10

Working with DOM

Introduction to the Document Object Model DOM The Document Object Model DOM is a programming interface that represents the structure of an HTML or XML document. It allows JavaScript to interact with and manipulate the contents and structure of a web page. As a frontend developer, understan...

Difficulty: 5/10

Working with Aggregated Data in C++

Introduction to Aggregated Data Aggregated data is a collection of data points that have been combined or summarized in some way. It provides a way to analyze a large amount of data and derive meaningful insights or trends. In algorithmic trading, aggregated data is important because it allows ...

Difficulty: 5/10

Interview Reports

Wish Software Engineer Interview Questions | Glassdoor...

36 Wish Software Engineer interview questions and 35 interview reviews. Free interview details posted anonymously by Wish interview candidates.

People at Wish Say

This information was sourced from reviews originally posted on Glassdoor.

There are some very hardworking ICs doing all they can even without any career growth

Impact driven environment, if you make positive changes they will be noticed and recognized

Wish provides an excellent opportunity to grow as a developer while still making a tremendous impact. You are given ownership and the opportunity to learn new things, work with different tools, and build out features start to finish.