Intern Backend at WNS

BackendInternOutcome unknown◆ Commonly asked· 2023

Campus-style intern backend interview. Basic programming plus core CS; communication mattered throughout.

The loop · 4 rounds

Round 01 · 3 questions

Online Assessment

Timed online coding / aptitude screen, usually the first filter.

Logical reasoning: number and letter series completion.
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#reasoning
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Quantitative aptitude: ratio, proportion and averages.
InternEasy◆ Commonly asked
#aptitude
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Verbal ability: synonyms, antonyms and para-jumbles.
InternEasy◆ Commonly asked
#verbal
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Round 02 · 2 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

Check whether two strings are anagrams.
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#string
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Check whether a number is prime.
InternEasy◆ Commonly asked
#math
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Round 03 · 4 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

Explain CPU scheduling algorithms: FCFS, SJF and round robin.
InternMedium◆ Commonly asked
#os
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Difference between an abstract class and an interface.
InternMedium◆ Commonly asked
#oops
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Explain the four pillars of OOP with examples.
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#oops
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Write a SQL query to find the second-highest salary.
InternMedium◆ Commonly asked
#sql
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Round 04 · 3 questions

Behavioral / HR

Values, collaboration, and past-experience (STAR) questions.

Why did you choose this branch of engineering?
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Where do you see yourself in five years?
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Are you willing to relocate anywhere in India?
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◆ This experience is composed from commonly reported questions for this role and level. Real, individually-shared interviews will be layered in over time.