Tech Mahindra Interview Questions (With Answers)

773 Questions asked

May 2026 First seen

Sep 2026 Last seen

773 Unique questions

🥧 Difficulty mix

How hard are these questions?

Easy 118 (15%)Medium 556 (72%)Hard 99 (13%)

📊 Question type

Breakdown by interview phase

🔥 12-week activity

When candidates are asked these

Last 12 weeks →

🏷️ Top topics

Where these questions cluster

Devops 98

Cloud Devops 67

Data Engineering 59

Ai Machine Learning 49

Frontend 47

Javascript Typescript 41

Databases Sql 41

Algorithms Data Structures 40

👤 Experience level mix

What seniority these are asked at

Fresher (0-1yr) 118Junior (1-3yr) 1Mid (3-6yr) 554Senior (6+yr) 100

📝 Recent questions

Latest 10 asked by candidates

🟡 Medium ✅

You've explained how schema versioning and watermarking help maintain feature consistency. Can you describe a specific challenge you faced during this implementation and how you resolved it to ensure the Smoke AI feature?

Schema Versioning Watermarking Feature Consistency Smoke Ai Feature

Conceptual · Asked 1× · Sep 2026

🟡 Medium ✅

What is the difference between a distribution key and a sort key?

Snowflake Distribution Key Sort Key

Conceptual · Asked 1× · Sep 2026

🟡 Medium ✅

What is a better approach to find employees working on projects greater than or equal to the average number of projects per employee?

Sql Window Functions Aggregation

Conceptual · Asked 1× · Jul 2026

🟢 Easy ✅

What is the recommended method for including Lambda resources within a CloudFormation stack deployment?

Aws Cloudformation Lambda

Conceptual · Asked 1× · Jul 2026

🟢 Easy ✅

How would you explain the trade-off between correctness and performance when using secondary?

Databases Nosql

Conceptual · Asked 1× · Jun 2026

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🥧 Difficulty mix

📊 Question type

🔥 12-week activity

🏷️ Top topics

👤 Experience level mix

📝 Recent questions

You've explained how schema versioning and watermarking help maintain feature consistency. Can you describe a specific challenge you faced during this implementation and how you resolved it to ensure the Smoke AI feature?

What is the difference between a distribution key and a sort key?

What is a better approach to find employees working on projects greater than or equal to the average number of projects per employee?

What is the recommended method for including Lambda resources within a CloudFormation stack deployment?

Why do we use a calendar function?

How can you improve the performance of a system that uses amortized analysis?

How would you optimize a system that depends on inputs?

How would you document a production design that uses operators?

How would you test a production implementation that uses retries?

How would you explain the trade-off between correctness and performance when using secondary?

🎤 Want these answered in real-time during your interview?