IBM Software Engineer Interview Experiences & Questions
5 candidates share their IBM Software Engineer interviews: each round, the questions asked and the outcome. Latest: May 2026.
What to expect · IBM Software Engineer
Based on 5 real interviews
The IBM Software Engineer interview process
Most common round types: Behavioral (1), Coding (1), Data Structures & Algorithms (1), Machine Learning (1), Project Discussion (1), System Design (1).
Real IBM Software Engineer interview questions
- Explain the difference between Convolutional Neural Networks (CNNs) and Recurrent Neural Networks (RNNs).
- Find the shortest path in a graph.
- "Tell me about yourself."
- Time & work, profit/loss, number series, seating arrangements, data interpretation (bar charts). Moderate difficulty. Negative marking applies.
- Implement LRU Cache.
- "Describe a time you faced a conflict in a team. How did you resolve it?"
- Problem 1: Find all pairs in an array whose sum equals a given target. (Easy — HashMap approach expected.)
- stack problem
- "Are you open to relocation? Do you have any concerns about the role?"
- Problem 2: Given a string, return the first non-repeating character. (Easy-medium.)
- Break down the sentence into its parts of speech elements
- "Why IBM specifically? What do you know about IBM's current focus areas?"
- Reverse a linked list.
- Why do you want to work at IBM?
- What is an example of a poorly designed product? How would you improve it?
- Python knowledge
- "What is a deadlock? How can it be prevented?"
- Assessment day- 3 rounds
- "Explain normalization. What is the difference between 2NF and 3NF?"
- "You've listed a REST API project — walk me through how you handled authentication."
- "What is the difference between an abstract class and an interface in Java? When would you use each?"
All 5 IBM Software Engineer interview experiences
“The process was really easy just leetcode mediums then a behavioral. I solved the two problems, and then two weeks later got an interview. A week after the interview you should get the offer.”
“The process was very smooth from start to finish. Communication with the recruiter was clear and timely, the scheduling was flexible, and I knew what to expect at each stage. The interviewers were…”
“The interview process was well-structured and transparent, spanning an online test, two technical rounds, and an HR discussion. The interviewers were approachable and gave me time to think through…”
“The process was very smotth and the interviewer manager was very kind and helpful. The role was on Natural Language processing and IBM Watson Analytics. So the interviewer would like to know more…”
“The process was very quick and I met so many people throughout- The Assessment day was very demanding because it was 4 hours interview- It was mostly behavioural questions, then an exercise with…”
More: all IBM interviews · Software Engineer interviews at every company
Frequently asked questions
How many rounds are in the IBM Software Engineer interview?
Candidates report a typical 2 rounds, usually including a recruiter screen, online assessment, technical round, final / onsite round.
How hard is the IBM Software Engineer interview?
Candidates rate it 2.6/5 on average (medium), across 5 interviews.
How long does the IBM Software Engineer hiring process take?
About 2 weeks from first contact to decision, based on reported timelines.
What percentage of IBM Software Engineer candidates get an offer?
60% of candidates with a final result got an offer (3 of 5).
What does the IBM Software Engineer interview focus on?
The most common round types are Behavioral, Coding, Data Structures & Algorithms, Machine Learning.