Carta Interview Questions

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

Pick A Sign

We're given an array of positive integers like the following: js 2, 1, 3, 2 Imagine that we're allowed to make each element of the array either a positive or negative number, indicated by a signage either a plus or minus sign that appears before it. If we sum up all the si...

Difficulty: 7/10

Detect Loop in Linked List

What is the best way to find out if a linked list contains a loop? You're given the following data structure as the definition of a linked list node: js class LinkedListNode constructor val this.val val this.next null A loop or a cycle in graph less...

Difficulty: 7/10

Is A Subsequence

Given two strings, one named sub and the other str , determine if sub is a subsequence of str . js const str "barbell" const sub "bell" isASubsequence sub, str true For the sake of the exercise, let's assume that these strings only have lower case characters. W...

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

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

Bottom Left Node Value

Assume we're using a binary tree lessons an intro to binary trees and search trees in writing a video game via Binary Space Partitioning https: en.wikipedia.org wiki Binary_space_partitioning . We need to identify the bottom left leaf, that is the leftmost value in the lowest row of the bi...

Difficulty: 4/10

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

Contiguous Subarray Sum

Given an array of numbers, return true if there is a subarray that sums up to a certain number n . A subarray is a contiguous subset of the array. For example the subarray of 1,2,3,4,5 is 1,2,3 or 3,4,5 or 2,3,4 etc. js const arr 1, 2, 3 , sum 5 subarraySum arr, sum...

Difficulty: 4/10

Longest Substring With No Duplicate Characters

Given a string of characters, can you find the longest substring of the string that has no repeating characters? An example is shown below: js lengthOfLongestSubstring "abracadabar" 4 because it is 'brac' Constraints Length of the string 100000 The string ...

Difficulty: 5/10

What Is The Manhattan Distance?

**What Is The Manhattan Distance?** The Manhattan Distance is used to calculate the distance between two coordinates in a grid like path. Imagine you are on holidays in New York City, you are visiting the Empire State Building and decide to walk to The Morgan Library Museum by the route belo...

Difficulty: 5/10

Microservices Architecture

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Difficulty: 5/10

Sorting Algorithms

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Difficulty: 5/10

Interview Reports

Anybody here recruit at Carta? If so, what was the interview experience lik...

Response 1 of 3: One of my friends interviewed there last summer. His takeaway was that it ‘sounded boring’, didn’t have much to say about it

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People at Carta Say

This information was sourced from reviews originally posted on Glassdoor.

Henry is a visionary, and he cares about employees. I’m shocked the score the company has here. For engineering positions I’ve seen all of my coworkers are happy

New engineering leadership since last year and new initiatives are helping Carta grow from a startup into an enterprise company.

I love the product I'm working on building. I think it'll be a game changer for private equity liquidity.

The company is growing and hiring quickly and we have a lot of interesting projects going on. We had have quarterly hackathons to work on new ideas and projects, and regular show and tells meetings to present new projects to the whole company. Growth is encouraged with mentorship, and engineering leadership has presented career paths.