Databricks Interview Questions

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

String Breakdown

We're given a string and need to see if it can be broken down into words from a dictionary array. For example: js const str "applecomputer" const dictArr "apple", "computer" stringBreakdown str, dictArr true Assuming that there are no repeats in the dictionary array, ca...

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

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

K Largest Elements From List

We're given a list or array of numbers, like the following: const nums 5, 16, 7, 9, 1, 4, 3, 11, 2 Can you write an algorithm to find the k largest values in a list of n elements? If k were 3 , we'd want the three largest numbers returned. The correct logic would return 16, 11, 9 ....

Difficulty: 5/10

Climbing the Word Ladder

Imagine two words placed at the two ends of a ladder. Can you reach one word from another using intermediate words as rings of the ladder? Each successive or transition word has a difference of only one letter from its predecessor, and must belong to a provided dictionary. Can we achieve this using t...

Difficulty: 7/10

Invert a Binary Tree

Can you invert a binary tree over its vertical axis? This is a famous problem made popular by this tweet: Google: 90 of our engineers use the software you wrote Homebrew , but you can t invert a binary tree on a whiteboard so f**k off. mdash Max Howell mxcl June 10, 2015 Given a binary t...

Difficulty: 7/10

Detect Substring in String

How would you write a function to detect a substring in a string? If the substring can be found in the string, return the index at which it starts. Otherwise, return 1 . js function detectSubstring str, subStr return 1 Important do not use the native String clas...

Difficulty: 4/10

Find the Intersection of Two Linked Lists

Assume you have a Linked List implementation that has the following API: js prepend to start of list prepend val appends to end of list append val get an array of node values for testing toArray Can you write a method getIntersection list1, list2 to find the interse...

Difficulty: 4/10

Fizz Buzz

Fizz Buzz is a classic interview question that apparently many experienced engineering candidates often can't solve! Let's cover it today. We're given a number in the form of an integer n . Write a function that returns the string representation of all numbers from 1 to n based on the followin...

Difficulty: 3/10

IT and Cybersecurity Interview Questions

IT and Cybersecurity Interview Questions As we navigate the complexities of the digital revolution, the realms of Information Technology IT and cybersecurity have emerged as pivotal foundations across diverse sectors. The ongoing digital metamorphosis of businesses, paired with the dynamic lif...

Difficulty: 5/10

Advanced Topics in C++

Introduction to C Standard Library In C programming, the **C Standard Library** is a powerful resource that provides a collection of pre defined classes and functions. It is an integral part of C and provides a variety of functionality for building applications. The C Standard Librar...

Difficulty: 5/10

Introduction to MERN Stack

Introduction to JavaScript JavaScript is a versatile programming language used for building interactive websites and web applications. Whether you're a beginner or an experienced developer, learning JavaScript is essential for modern web development. JavaScript is the language of choice for fr...

Difficulty: 5/10

Interview Reports

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People at Databricks Say

This information was sourced from reviews originally posted on Glassdoor.

In the intersection of the biggest tech trends - AI, Big Data, Cloud. Great opportunity to learn from the best in the field.

We have complicated technical challenges but we have the right team of people to solve them and excel. The culture here focuses on helping each individual of the team to get things done - well. And it is amazing the impact we have within the company, our customers, and our community!

Compact engineering core keeps work environment tight knit. Still has some small-company vibes (bi-weekly boba, random "snack attacks")

The company is growing fast and and the ceiling seems nonexistent. If you are looking for a challenge and want to learn and enhance your Data science skills then this is the place to. be.