Home / Company interviews / IBM · Updated August 2026

IBM interview questions and practice

giveinterview has mock interviews built from 3 IBM job posts since August 2026, 3 of them still open. Each practice interview runs the loop below: a 10-minute voice screen, then 2 rounds (coding, then behavioral). The topics that come up most are Ansible, C, C++, Embedded C, Java. 162 coding questions are known to come up in IBM interviews (51 easy, 96 medium, 15 hard), 25 of them in the last six months. The most common topics are Array, String, Sorting, Hash Table.

Practice interviews built from public job posts and question lists. Each open post links to the original so you can apply on IBM’s own site; IBM does not run, see or review your practice.

Start a full IBM mock interview →Add IBM to my plan Or one question first · 2 min

3Job posts to practise

3Posts still open

3Steps in a practice loop

100 minTypical total length

How the IBM practice interview runs

The most common loop across the mock interviews built from IBM job posts.

ScreenVoice screen10 min
Round 1Coding45 min
Round 2Behavioral45 min

What IBM interviews cover

Skills and topics, with the number of IBM job posts that list each one.

Ansible2
C2
C++2
Embedded C2
Java2
Linux2
Python2
AIX1
Cloud concepts1
Container technologies1
Device driver development1
DevOps1
GoLang1
IBM Cloud Storage1
IBM Enterprise Flash1

Coding questions IBM asks

From public company-tagged interview question lists. Most recent and most frequent first.

Easy 51Medium 96Hard 15

Array95
String52
Sorting34
Hash Table31
Two Pointers29
Greedy26
Math21
Dynamic Programming21
Binary Search17
Stack16
Prefix Sum15
Simulation13

Question	Difficulty	Asked recently
Fizz Buzz	Easy	Yes
Merge Intervals	Medium	Yes
Integer to Roman	Medium	Yes
Longest Substring Without Repeating Characters	Medium	Yes
Best Time to Buy and Sell Stock	Easy	Yes
Two Sum	Easy	Yes
Roman to Integer	Easy	Yes
Valid Parentheses	Easy	Yes
Rotate Image	Medium	Yes
Subarray Sum Equals K	Medium	Yes
Valid Anagram	Easy	Yes
Minimum Number of Flips to Make the Binary String Alternating	Medium	Yes
Longest Common Prefix	Easy	Yes
Palindrome Number	Easy	Yes
Container With Most Water	Medium	Yes
Middle of the Linked List	Easy	Yes
Count Binary Substrings	Easy	Yes
Valid Palindrome II	Easy	Yes
Non-overlapping Intervals	Medium	Yes
Kth Largest Element in an Array	Medium	Yes
Minimum Changes To Make Alternating Binary String	Easy	Yes
Edit Distance	Medium	Yes
Generate Parentheses	Medium	Yes
Length of the Longest Alphabetical Continuous Substring	Medium	Yes
Palindromic Substrings	Medium	Yes

IBM job posts you can practise for

Open a post to practise its interview and get the link to apply on IBM’s site.

Role	Where	Steps	Job post
Software Engineer	On-site · Hyderabad, Telangana, India	3	Open	Practise Add to plan
Backend Developer	On-site · Pune Division, Maharashtra, India	3	Open	Practise Add to plan
Software Developer for SMB	On-site · Pune Division, Maharashtra, India	3	Open	Practise Add to plan

Questions about IBM interviews

How many rounds are in a IBM interview?

The mock interviews built from IBM job posts usually run a 10-minute voice screen, then 2 rounds (coding, then behavioral), about 100 minutes in all.

What topics do IBM interviews cover?

The ones that come up most are Ansible, C, C++, Embedded C, Java.

What coding questions does IBM ask?

162 questions are tagged to IBM in public interview lists: 51 easy, 96 medium and 15 hard. The most asked include Fizz Buzz, Merge Intervals, Integer to Roman.

How do I practise a IBM interview?

Answer a 2-minute question for free, then take a mock interview with an AI interviewer, voice and live coding. You get a review that marks the exact line that cost you. The screen and Round 1 of your first role interview are free.

Practise a IBM interview before it counts.

Talk it through while you code, and get a review that marks the exact line that cost you. Free to start.

Start a full IBM mock interview →Add IBM to my plan