There were 2 rounds ->
1. Coding round
2. Managerial round
In coding round they asked two questions 1 was of matrix and another was of link-list.
Easy to medium difficulty.
Also along with coding questions they asked about circular dependency and singleton design pattern(java)
In managerial round they asked about previous experience and architecture
Interview questions [1]
Question 1
singleton design pattern(java)
In managerial round they asked about previous experience and architecture
I applied online. The process took 5 days. I interviewed at Nielsen (Bengaluru) in Aug 2025
Interview
First round was taken by a third party cals IAM INTERVIEW. Which was for duration of 30 minutes. First I have applied through career site of Nielsen and the reached out to recruiter through LinkedIn.
Interview questions [2]
Question 1
Topic: Data structure
1 coding question. Given a string and you need to find out the longest substring without repeating character.
Time given 12-15 min
I applied through college or university. The process took 2 days. I interviewed at Nielsen (Whitefield) in Jan 2025
Interview
Round 1 - online assessment with DSA questions on DP, Trees etc. Interview Round - Resume and projects and then HR round. Overall was tough as DSA questions were hard, SQL questions and other OOPS OS questions were asked too
Interview questions [1]
Question 1
Data engineering, DSA questions were asked along with DBMS OOPS OS