What does Cognizant ask in software engineer interviews?

Cognizant SWE interviews typically cover data structures and algorithms, system design, and behavioral questions. Candidates report coding rounds using LeetCode-style problems, plus architecture design and leadership questions for senior roles. LeakCode aggregates verified reports from 9+ candidates.

How many rounds does Cognizant have in its interview process?

The Cognizant interview process typically includes a recruiter screen, a phone/online assessment round, and 4-5 onsite or virtual interviews covering coding, system design, and behavioral competencies. The exact number of rounds varies by role and team.

How hard is it to get a job at Cognizant?

Cognizant is highly selective. Candidates report pass rates in the single digits for competitive engineering roles. Strong data structures fundamentals, system design ability, and clear communication are required to advance past initial screens.

What topics should I study for a Cognizant interview?

Based on aggregated Cognizant interview reports: arrays and hash maps, trees and graphs, dynamic programming, system design (distributed systems, databases, caching), and behavioral questions using the STAR method. LeakCode shows exactly which topics appear most often.

Does Cognizant ask LeetCode hard questions?

Interview difficulty at Cognizant varies. Coding rounds typically include medium to hard difficulty algorithmic problems. System design questions are open-ended and evaluated on depth of reasoning. Browse real Cognizant interview questions on LeakCode to see the actual difficulty distribution.

Cognizant Interview Questions (2026-2027)

5 questions · 34 experiences · GeeksforGeeks (30) · LeetCode (9)

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Software Engineer 33

#3 Longest Substring Without Repeating Characters

SWE coding Medium

Question Details

LeetCode #3: Longest Substring Without Repeating Characters. Difficulty: Medium. Topics: Hash Table, String, Sliding Window. Asked at Cognizant in the last 6 months.

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Topics

Hash Table Sliding Window Strings

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