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Prep plan
Updated weekly · Last refresh Aug 30

TCS Software Engineer Interview Questions

The questions to prepare for a TCS Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

50questions
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1
CodingStart here. 12 questions · ~147 min
Two Sum with TargetEasy
Practice
Recently asked

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsTCS
Longest Unique Substring in EnoMedium
Practice
Recently asked

Use a sliding window and hash map to find the longest substring without repeated characters in a string.

Hash TablesStringsTwo PointersTCS
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2
SQL & Data Manipulation12 questions + 1 drill · ~157 min
Second Highest Trader SalaryEasy
Practice

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingTCS
Department High Earners (Top Three Salaries)Medium
Practice

Rank unique salaries by department with DENSE_RANK and return employees in the top three salary tiers.

aggregationsqlTCS
Top Customers by Net SalesMedium
Practice
Recently asked
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
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3
Execution5 questions · ~61 min
Your Strengths and WeaknessesEasy

Tests self-awareness and how you position yourself for success in an Account Executive role at Aqr.

Trade-offsSuccess CriteriaRisk AssessmentTCS
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4
System Design12 questions · ~147 min
LLM Integration for Candidate MatchingHard

Evaluates your end-to-end LLM integration skills and evaluation rigor.

Prompt EngineeringllmintegrationTCS
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5
Security & Infrastructure4 questions · ~49 min
Azure and Cloud OperationsHard

Evaluates practical cloud operations knowledge and incident response readiness.

cloud securityTCS
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6
Behavioral & Leadership3 questions · ~37 min
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7
More topics2 questions · ~25 min
SAP Analytics Cloud OverviewMedium

Evaluates your understanding of SAP Analytics Cloud and your ability to describe implementation details.

analyticssapimplementationTCS
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The finish line: interview-readyComplete all 50 questions plus 1 hands-on drill to finish this plan.