IBM

Software Engineer Interview Experience

October 13, 2025

Positive ExperienceNo Offer

Process

It was two coding questions. One was on linked lists, which I solved using Python. The next question was based on the sliding window concept, to find the maximum substring in the given string.

Questions

Given a linked list, remove the odd-indexed elements/nodes.

Interview Statistics

The following metrics were computed from 1,073 interview experiences for the IBM Software Engineer role.

Success Rate

42%

Pass Rate

IBM's interview process for their Software Engineer roles is fairly selective, failing a large portion of engineers who go through it.

Experience Rating

Positive63%

Neutral26%

Negative11%

Candidates reported having very good feelings for IBM's Software Engineer interview process.

IBM Interview Questions

Integer to Roman

Medium

Convert a given integer into its Roman numeral representation. You need to understand the mapping between integer values and Roman symbols to perform the conversion accurately.

ArraysStrings

Exclusive Time of Functions

Medium

Calculate the exclusive execution time for each function given a series of log entries marking function calls and returns. The exclusive time is the time spent within a function, not including time spent in its callees.

StacksArrays

Fizz Buzz

Easy

Write a program that prints numbers from 1 to n, replacing multiples of 3 with "Fizz", multiples of 5 with "Buzz", and multiples of both with "FizzBuzz".

ArraysStrings