Chartboost Full Stack Engineer Interview Questions

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Chartboost

Interviews

Full Stack Engineer Interview

11 Jan 2018

Anonymous interview candidate

No offer

Negative experience

Difficult interview

Application

I applied through a recruiter. The process took 4 weeks. I interviewed at Chartboost (San Francisco, CA) in Oct 2017

Interview

1. Phone call with company recruiter. 2. Video coding session with engineer manager. Pretty easy algorithm stuff and learning about company. 3. Half-day on-site interview. Met with CTO, product manager, engineering lead, and an engineer. The younger engineer asked really hard algorithm questions that likely have no resemblance to anything you'd encounter on the job. Typical whiteboarding nonsense.

Interview questions [5]

Question 1

Write a function to detect whether a number is prime.

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Question 2

Write a function to detect whether a string is a palindrome.

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Question 3

Write a function that takes an array of strings and returns those strings which are palindromes and whose length is a prime number.

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Question 4

How would you architect a product list page?

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Question 5

Write a function to serialize a binary tree into a string. Write another function to deserialize a string back into a binary tree.

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