Tcs Data Scientist Interview Questions

12+ Tcs Data Scientist interview questions drawn from real candidate reports. Sources include 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode. Questions span every stage of the Tcs Data Scientist loop: OA, phone screen, system design, behavioral, and onsite coding.

What to Expect in the Tcs Data Scientist Interview

The Tcs 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.

Tcs Data Scientist Questions (Sample)

TCS Prime Interview Experience | Off-Campus 2024

phone screen easy 2025 gfg

Tata Consultancy Services (TCS) is one of the leading global IT services, consulting, and business solutions organisations. TCS offers various hiring roles, such as Ninja,...

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30 Days TCS NQT Complete Roadmap

oa easy 2025 gfg

The TCS National Qualifier Test (TCS NQT) is a competitive examination conducted by Tata Consultancy Services (TCS) to recruit both freshers and experienced professionals....

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TCS Digital Interview Experience(On-Campus)

phone screen easy 2025 gfg

Round 1: This round was divided into two parts:-Part A and Part B.Part A: It was an online round which consisted of English(10 min) and aptitude(40 min). Time is the most ...

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TCS Digital Experience(September 2019)

recruiter easy 2025 gfg

Round 1: Written testTCS NQT : There were four sections namely, English, Quantitative, Output(C, C++ : Mainly contained Pointers) and Coding. There was section wise timer....

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How I cracked TCS Digital

oa easy 2025 gfg

Hurrah! My TCS Digital interview results are out, and I thankfully made it. Having wanted to work in the field of Artificial Intelligence for a long time now, I don’t thin...

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TCS Digital Interview Experience | NQT Hiring 2024

behavioral 2024 gfg

Participating in the TCS NQT and the subsequent interview process was a transformative experience filled with valuable lessons. Although the outcome didn’t align with my e...

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TCS Interview Experience |Digital Role 7 LPA

phone screen easy 2024 gfg

I applied for the TCS NQT 2024, which was conducted off-campus. The selection process consisted of two main rounds:Round 1: TCS NQT TestThis round included two sections:Se...

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TCS Prime Interview Experience 2024 - Campus Placement

phone screen easy 2024 gfg

My journey with TCS began through a campus placement drive, where I applied via the TCS recruitment portal, [tcsnextstep.com] The process consisted of Round 1: TCS NQT Exa...

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TCS Interview Experience | Set 3 (On-campus Recruitment Drive)

recruiter easy 2024 gfg

"Welcome to TCS" These are the words which every aspirant reading this article is desperate to here.Few days back,I was also one of you . Believe me guys, its not too hear...

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Tata Consultancy Service Interview for Ninja (2021)

phone screen medium 2023 gfg

Round 1: TCS NQT (National Qualifier Test)Aptitude: Quant, Reasoning, Verbal (Medium - High Level)Coding: 2 Questions (Medium Level) - Any LanguagesNote:High Scores in Rou...

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TCS Digital Interview Process

oa easy 2023 gfg

Eligibility criteria: 6.5 and above, all departments with no standing arrears. Around 1300 were eligible.Round 1:This round was an Online test. It had 4 sections. Each sec...

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TCS Digital Interview Experience 2022

oa easy 2022 gfg

Hello geeks! I would like to share my TCS Digital interview experienceFirst of all interested candidates need to apply for TCS drive through the Nextstep portal. After app...

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Difficulty Breakdown

10

easy

1

medium

Based on 12 questions with difficulty labels from candidate reports.

Interview Rounds

Here is how the Tcs Data Scientist questions in the LeakCode database break down by interview round, based on what candidates reported:

Round Questions in Database
phone screen 5
oa 4
recruiter 2
behavioral 1

Most Common Topics

arrays (4) strings (2) sql (2) ml theory (1) linked list (1) dynamic programming (1)

Question Recency

5

2025

4

2024

2

2023

1

2022

Question counts by interview year, based on candidate-reported dates.

How to Prepare for the Tcs 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 Tcs Data Scientist questions are in the database?

12+ 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 Tcs 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 Tcs OA questions specifically?

Yes. The database includes online assessment questions tagged with round type. See the Tcs OA page for a dedicated view.

Related: Tcs All Questions · Tcs OA Questions · Browse All Companies · Data Sources