600+ Real Data Engineer Interview Questions & Answers (2025 Edition) | From Top Tech Companies – EY, Infosys, TCS, Dell, Wipro & More

Description

Prepare smarter, not harder — with 600+ Real Data Engineer Interview Questions & Answers (2025 Edition) curated from actual interviews at top tech companies including EY, Infosys, TCS, Dell, Wipro, Capgemini, and more.

This all-in-one guide covers real and scenario-based questions asked in live interviews, complete with detailed explanations, practical solutions, and expert tips to help you stand out.

Whether you’re preparing for your first data engineering role or looking to advance to senior positions, this resource provides everything you need — from SQL, Spark, and Azure Data Factory to ETL design, data modeling, and real-time architecture.

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What’s Inside

• 600+ verified questions asked in top MNC interviews
• Scenario-based problem-solving with step-by-step answers
• Coverage of Spark, PySpark, SQL, ADF, Data Lake, and Data Warehousing
• Cloud-focused questions (Azure, AWS, GCP)
• Best practices, optimization strategies, and governance concepts
• Expert “Tips” after every answer to boost your confidence

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Perfect For

• Aspiring and experienced Data Engineers (1–6 years)
• Professionals preparing for MNC or consulting interviews
• Candidates seeking real-world, hands-on scenario training