MongoDB

Software Engineer (Internship) Interview Experience - United States

March 1, 2025

Positive ExperienceNo Response

Process

30-minute behavioral call with a recruiter,

followed by a 1-hour Karat interview (array and string processing),

followed by three back-to-back-to-back interviews:

Technical, LeetCode-style interview (Overlay Binary Trees)
Behavioral (past experiences, what you want to get out of MongoDB)
OOP interview (design banking software)

Questions

Overlay Binary Trees, straight from LeetCode.

Typical Behavioral Interview Questions, Culture Fit.

Design a Banking System Using OOP.

Interview Statistics

The following metrics were computed from 41 interview experiences for the MongoDB Software Engineer (Internship) role in United States.

Success Rate

29%

Pass Rate

MongoDB's interview process for their Software Engineer (Internship) roles in the United States is very selective, failing most engineers who go through it.

Experience Rating

Positive76%

Neutral20%

Negative5%

Candidates reported having very good feelings for MongoDB's Software Engineer (Internship) interview process in United States.

MongoDB Interview Questions

Intersection of Two Arrays

Easy

Find the common elements present in two given arrays. Return an array containing these intersecting elements, ensuring each element appears only once.

ArraysTwo Pointers

Text Justification

Hard

Given a sequence of words and a line width, format the text to fit within the specified width. You must justify the text, distributing extra spaces evenly between words.

ArraysStrings

Word Break

Medium

Determine if a given string can be segmented into a space-separated sequence of words from a dictionary. You are given a string and a dictionary of words; can you break the string down using words from the dictionary?

ArraysStringsDynamic Programming