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      Backend Developer Interview

      May 25, 2021
      Anonymous employee
      Accepted offer
      Positive experience
      Average interview

      Application

      I applied through college or university. I interviewed at IBM

      Interview

      Completed Hackerrank technical assessment, then had an interview with hiring manager. Interview was mostly technical, with a simple coding task and some questions about Java. Quickly went over resume, asked a few questions about some skills listed.

      Interview questions [4]

      Question 1

      How to implement a singleton in Java?
      Answer question

      Question 2

      Why did you use private in your implementation (difference between public, private, protected)?
      Answer question

      Question 3

      How to avoid a memory leak in C? (only asked because I mentioned learning C)
      Answer question

      Question 4

      What are the benefits of React? (only asked because I mentioned trying to learn React)
      Answer question
      6

      Other Backend Developer Interview Reviews for IBM

      Backend Developer Interview

      Jun 5, 2026
      Anonymous employee
      Research Triangle Park, NC
      Accepted offer
      Positive experience
      Average interview

      Application

      I interviewed at IBM (Research Triangle Park, NC)

      Interview

      There was a single behavioral interview offered by a different department after applying to 2 different positions and doing Hackerranks for them. Basic questions about projects on your resume and experience and the recruiters were nice.

      Interview questions [1]

      Question 1

      Describe a creative way that you solved a problem.
      Answer question

      Backend Developer Interview

      Nov 26, 2025
      Anonymous Interview Candidate
      Pune
      No offer
      Positive experience
      Average interview

      Application

      I applied online. The process took 1 week. I interviewed at IBM (Pune) in Nov 2025

      Interview

      First Round - Aptitude (one coding question and API development ) Second Round - Interview Asked project related questions, computer fundamentals, DSA questions, DSA Questions - target sum, kth max in array (priority queue)

      Interview questions [1]

      Question 1

      Problem Solving Skills Important (DSA)
      Answer question

      Backend Developer Interview

      Dec 13, 2025
      Anonymous employee
      Hyderabad
      Accepted offer
      Positive experience
      Average interview

      Application

      I applied through college or university. The process took 5 days. I interviewed at IBM (Hyderabad) in Nov 2025

      Interview

      they asked about projects and one simple coding question in different ways. Reducing time and space complexity , then asked about dbms and asked can you write queries or not .

      Interview questions [1]

      Question 1

      they asked anagram question from leetcode.
      Answer question