Cognizant Data Scientist Interview Questions
6+ Cognizant Data Scientist interview questions drawn from real candidate reports. Sources include 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode. Questions span every stage of the Cognizant Data Scientist loop: OA, phone screen, system design, behavioral, and onsite coding.
What to Expect in the Cognizant Data Scientist Interview
The Cognizant Data Scientist interview process typically runs 4 to 6 rounds depending on seniority level. Based on candidate reports in the LeakCode database, the loop usually includes a resume review, an online assessment or coding phone screen, one or more technical rounds, a system design round (for senior and above), and a behavioral or values round.
Difficulty skews toward medium and hard LeetCode-style problems in the coding rounds. System design questions test breadth (component selection, scaling, trade-off reasoning) more than deep implementation. Behavioral questions are tied to the company's stated values and principles.
Cognizant Data Scientist Questions (Sample)
Cognizant Interview Experience for Genc Next Role (On-Campus)
Hello Everyone! I am a 4th-year Computer Science and Engineering student actively preparing for software engineering roles. I am based in Andhra Pradesh, and recently part...
Cognizant Interview Experience | Set 1 (On-Campus for EBA-Automatika Profile)
Cognizant campus placement was consisting of the following rounds: Written Technical interview HR InterviewWritten Round: It was consisting of Quantitative aptitu...
Cognizant Interview Experience
Round 1: Aptitude TestMy Experience:The first round was an online aptitude test that lasted for about 90 minutes. It was divided into three sections: Quantitative Aptitude...
Cognizant Engineer Trainee Off Campus Interview
First of all I cleared the aptitude round which consisted of Quants, Logical, English and Coding(Debugging) through Amcat portal.I had to take the test from our college, ...
Cognizant GenC Next Interview Experience for Data Scientist
My interview for GenC Next had been scheduled for the 29th of August 2021. With no delay, I will begin describing how it was and I hope this is of some use.The role I had ...
Cognizant Interview Experience | Set 4 (On Campus for Associate)
First there was a preliminary test which was held on the platform of AMCAT. Approx 2500 students applied for it. It Consisted of Quants, Verbal, Logical, Coding and comput...
Difficulty Breakdown
6
easy
Based on 6 questions with difficulty labels from candidate reports.
Interview Rounds
Here is how the Cognizant Data Scientist questions in the LeakCode database break down by interview round, based on what candidates reported:
| Round | Questions in Database |
|---|---|
| oa | 3 |
| recruiter | 2 |
| phone screen | 1 |
Most Common Topics
Question Recency
2
2025
1
2024
1
2023
Question counts by interview year, based on candidate-reported dates.
How to Prepare for the Cognizant Data Scientist Interview
Use the LeakCode question database as your primary research tool. Filter by role (Data Scientist), then by round type to focus your prep on the specific stages in your upcoming loop. Sort by recency to see what 2026 candidates actually faced.
- Start with questions from the last 12 months. Interview processes change and recent data is the strongest signal.
- Cross-reference questions that appear in multiple sources (1p3a, Blind, Glassdoor). Multi-source confirmation means a question has stronger recurrence probability.
- For system design rounds: focus on the question patterns, not individual questions. The same design principles recur across many prompts.
- For behavioral rounds: map your experiences to the company's stated values before the interview. Most behavioral questions at top companies are derivatives of a small set of core leadership competencies.
FAQ
How many Cognizant Data Scientist questions are in the database?
6+ questions from verified candidate reports. The count grows as new reports are scraped daily from 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode.
Are these questions from real Cognizant interviews?
Yes. All questions are sourced from actual candidate interview reports, not generated by AI. Each entry links back to its source URL where available, and questions are tagged with the year and round reported by the candidate.
How current is this data?
LeakCode updates daily. The database is filtered to exclude duplicate and low-quality entries. You can filter by interview year to focus on recent cycles.
Does LeakCode cover Cognizant OA questions specifically?
Yes. The database includes online assessment questions tagged with round type. See the Cognizant OA page for a dedicated view.
Related: Cognizant All Questions · Cognizant OA Questions · Browse All Companies · Data Sources