IBM || 6 rounds || Interview Experience || On Campus

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January 24, 202539 reads

Summary

I participated in a six-round on-campus recruitment drive by IBM for an ASE position, which included online coding tests, communication assessments, group discussions, and technical and HR interviews, encountering coding problems similar to LeetCode's Repeated DNA Sequences and Single Element in a Sorted Array.

Full Experience

I had the opportunity to participate in an on-campus recruitment drive conducted by IBM for the ASE (Associate Software Engineer) position. The process was comprehensive, consisting of six distinct rounds.

The First Round was an online HackerRank test. I was given 45 minutes to solve one medium-level coding question. This particular problem was quite similar to LeetCode 187 - Repeated DNA Sequences.

Next, I proceeded to the Second Round, an SHL test. This round was communication-based and divided into four sections, assessing various aspects of my communication skills.

The Third Round was an offline test, held directly on our college campus. Here, I had 30 minutes to solve one easy-level question. It was primarily math-based and could be tackled using straightforward mathematical logic.

Following that was the Fourth Round, a Group Discussion. We discussed a current affairs topic, which was an interesting way to assess our collaborative and argumentative skills.

The Fifth Round was the Technical Interview. This interview focused heavily on questions derived from my resume. Additionally, I was presented with a data structure problem that was similar in nature to LeetCode 540 - Single Element in a Sorted Array.

Finally, the Sixth Round was the HR Interview, where I answered managerial and behavioral questions, concluding the entire recruitment process.

Interview Questions (2)

Q1
Repeated DNA Sequences
Data Structures & AlgorithmsMedium

Given a string s that represents a DNA sequence, return all the 10-letter-long sequences (substrings) that occur more than once in a DNA molecule. You may return the answer in any order.

Q2
Single Element in a Sorted Array
Data Structures & Algorithms

You are given a sorted array consisting of only integers where every element appears exactly twice, except for one element which appears exactly once. Find this single element.

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