Robinhood Interview Questions

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

Find Shortest Palindrome Possible

We have a string str like the following: js const str "bubble" Find a way to convert it to a palindrome by inserting characters in front of it. Recall that a palindrome is defined as "a word, phrase, or sequence that reads the same backward as forward". What's the shortes...

Difficulty: 5/10

Find Duplicate Words

A very common interview challenge is to determine how often words appear in a given string or set of strings. Here's a version of this: return a list of duplicate words in a sentence. For example, given 'The dog is the best' , returns "the" . Likewise, given 'Happy thanksgiving, I am s...

Difficulty: 4/10

Merge K (Multiple) Sorted Lists

You're given an array of multiple sorted linked lists. Can you write a method that returns it transformed into a single sorted linked list? Each linked list can be represented as a series of nodes with the following definition: js function Node val this.value val this.next...

Difficulty: 8/10

Add Linked List Numbers

We're provided the following two linked lists: 1 2 3 4 and 2 5 8 Each one represents a number in reversed order, so 1 2 3 4 represents 4321 and 2 5 8 represents 852 *note: for an extra challenge, consider if they weren't reversed* . The lists are guarante...

Difficulty: 7/10

How Out of Order

*This was submitted by user Hackleman.* Determine how "out of order" a list is by writing a function that returns the number of inversions in that list. Two elements of a list L , L i and L j , form an inversion if L i j . For example, the list 5, 4, 3, 2, 1 has 10 inversi...

Difficulty: 5/10

Targets and Vicinities

You're playing a game with a friend called **Target and Vicinity**. *Target and Vicinity* consists of one person thinking up a number in their head, and the other guessing that number. Sounds simple enough the caveat is that we also want to credit close guesses. To estimate the proximity of the ...

Difficulty: 6/10

Validate a BST

Given a binary search tree like the one below, can you write a function that will return true if it is valid? 5 3 9 1 4 Recall that a BST is valid only given the following conditions: The left child subtree of a node contains only nodes with v...

Difficulty: 4/10

Database Schema Design

Introduction to LOW level design Low level design is a crucial aspect of software development. It focuses on the implementation details of a system or application, such as algorithms, data structures, and database schema. In low level design, we dive deep into the technical aspects to ensure ef...

Difficulty: 5/10

Cloud Computing Pricing Analysis and Comparisons

Cloud Computing Pricing Analysis and Comparisons Companies today are soaring high, navigating the limitless sky of cloud computing, leaving behind the grounded world of on premises data. Why? It's all about growth, agility, and, importantly, cutting down on expenses. Imagine your data as a flock...

Difficulty: 5/10

Time Handling

Introduction to Time Handling Time handling is an essential aspect of programming, especially in the context of finance and algo trading. In C , there are various libraries and functions that facilitate efficient time handling. Let's take a look at a basic example of time handling in C : ...

Difficulty: 5/10

Is Software Engineering a Winner Takes All or Auction Profession?

Cal Newport has studied the science of high mental performance for years. He's written multiples books about getting better results in school and work, and has recently shifted his attention towards the problems of the modern day technology worker. Newport himself is an Associate Professor of Co...

Difficulty: 5/10

Best Text Editors for Software Engineering

Text editors and IDEs are probably the most important tools when it comes to software engineering. They help to improve your productivity, and they can make your job easier by implementing text predictions, plugins, git integrations and so on. The best code editors offer a fast, flexible interfa...

Difficulty: 5/10

Interview Reports

Robinhood Interview Questions | Glassdoor...

Robinhood interview details: 336 interview questions and 280 interview reviews posted anonymously by Robinhood interview candidates.

Working at Robinhood: Employee Reviews | Indeed.com...

Reviews from Robinhood employees about Robinhood culture, salaries, benefits, work-life balance, management, job security, and more.

I rejected my software engineering internship offer from one of the Big Five companies (Facebook, Amazon, Apple, Microsoft, Google). Many of my friends were shocked when I told them that I accepted…

Why I Chose Robinhood Over the Big Five | by Yash Moondhra | The Startup | ...

Yash Moondhra

I rejected my software engineering internship offer from one of the Big Five companies (Facebook, Amazon, Apple, Microsoft, Google). Many of my friends were shocked when I told them that I accepted…

People at Robinhood Say

This information was sourced from reviews originally posted on Glassdoor.

Amazing culture. People here are all excited to be here and are very much mission driven. I look forward to coming into work everyday, which apparently is an unusual feeling to have as a new grad.

The work you do matters. Instead of grunt work, you try to solve some of the hardest problems in the industry. Even if you're an intern.

Large amounts of project responsibilities have allowed me to grow at a faster rate relative to engineers at other companies.

I love working at Robinhood because my peers are some of the best in the industry across engineering, product, and legal. The people who work here are very excited about the mission, and their outlook about the future is bright.