New Relic Interview Questions

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

Sum All Primes

You're given a number n . Can you write a method sumOfAllPrimes that finds all prime numbers smaller than or equal to n , and returns a sum of them? For example, we're given the number 15 . All prime numbers smaller than 15 are: 2, 3, 5, 7, 11, 13 They sum up to 41 , so sumOfA...

Difficulty: 4/10

Lowest Common Ancestor

In the official React documentation https: reactjs.org docs thinking in react.html , it's recommended that to find out where state data should live, the following steps be taken: Identify every component that renders something based on that state. Find a common owner component a single com...

Difficulty: 7/10

Nth Smallest Number in a Stream

Many modern programming languages have the notion of a stream. A stream is a resource _that's broken down_ and sent usually over a network in small chunks. Imagine a video that's playing it would be inefficient to need to download an entire 1 gigabyte movie before being able to watch it. Inste...

Difficulty: 7/10

Mean Per Level

We are given a binary tree lessons an intro to binary trees and search trees and are tasked with writing a method that determines the average of every level in the tree. So for instance, given the following binary tree, we'd get 2, 5, 7 if the method grabbed the correct means. js ...

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

Counting Univalued Subtrees

Question Can you count all the univalued subtrees in a binary tree, as shown in the figure below? The Problem We are given a binary tree. The challenge is to count all the univalued subtrees in the tree. Just to recall, a subtree is any node along with its descendants. The root...

Difficulty: 6/10

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

Single Lonely Number

In a given array of numbers, one element will show up once and the others will each show up twice. Can you find the number that only appears once in O n linear time? Bonus points if you can do it in O 1 space as well. lonelyNumber 4, 4, 6, 1, 3, 1, 3 6 lonelyNumber 3, 3, 9 9...

Difficulty: 3/10

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

Building a Payment App

Welcome to the Introduction of the Building a Payment App tutorial! In this tutorial, we will explore the process of building a payment app from scratch using JavaScript and the MERN stack. This tutorial is designed to help you learn JavaScript and the MERN stack while developing a production read...

Difficulty: 5/10

Introduction to Amazon DynamoDB

What Is DynamoDB? Amazon's DynamoDB is a NoSQL database service that supports key value and document data structures. The concept for it is based on a collection of strong distributed systems and concepts that enable maximum scalability and reliability. **DynamoDB** has been in the works for...

Difficulty: 5/10

Metrics: Latency, CPU, Memory, Error Rates

What are metrics and why do they matter? Generally speaking, _metrics_ are simply quantitative measures used for comparing, tracking, and understanding the performance of a specific process. They are highly beneficial because they help us evaluate our progress and overall efficiency, or simply p...

Difficulty: 5/10

Interview Reports

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New Relic Interviews | Comparably...

15 New Relic employees rate their interview experience an A or 85/100. 100% believe the overall process was positive.

People at New Relic Say

This information was sourced from reviews originally posted on Glassdoor.

Excellent grassroots programs with excellent people running the ERGs that can teach you a lot (just don’t expect the company to ever buy in)

This is truly a company of nerds. I should add, nerds WITHOUT inflated egos. It's apparent that everyone swarms together around a certain problem.

Great work life balance and culture here at New Relic. I have met many smart and wonderful people during my time here. I have grown my career here and learned a lot with a wonderful team.

Good benefits, still a well recognized name in the industry. The old guard of entrenched engineers are really smart, but don't expect their time or help. Lots of diversity and inclusion efforts, although there isn't any real diversity or inclusion at the company.