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Prep plan
Updated weekly · Last refresh Oct 17

ASTEK Data Engineer Interview Questions

The questions to prepare for a ASTEK Data Engineer interview. Questions from real interview reports rank first. Updated daily.

16questions
~2htotal time
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1
PipelinesStart here. 6 questions · ~48 min
Design CI/CD for Data PipelinesMedium

Design a CI/CD system for Airflow, dbt, Spark, and Kafka pipelines with automated testing, staged releases, rollback, and SOX-compliant auditability.

InfrastructureToolsOrchestrationASTEK
Managing Hybrid PipelinesMedium

Assesses your ability to design and operate pipelines across hybrid environments.

data engineeringASTEK
Migrating to DatabricksHard

Tests migration planning, compatibility strategy, and operational rollout for Databricks adoption.

migration strategydatabricksASTEK
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2
SQL & Data Manipulation5 questions + 3 drills · ~70 min
Data Integrity in Migration ValidationMedium

Explain how to preserve data integrity during a large database migration using reconciliation queries, joins, CTEs, and transaction controls.

data migrationdatabasesdata integrityASTEK
Optimizing SQL QueriesMedium

Tests your approach to diagnosing and improving SQL performance.

performanceASTEK
Handling Schema EvolutionMedium

Tests your approach to managing changing schemas safely in production pipelines.

data pipelinesschema evolutiondata integrityASTEK
Optimizing Slow SQL QueriesMedium

Tests SQL performance tuning and data join optimization for large datasets.

Performance TuningASTEK
SQL to Databricks MigrationMedium
Practice
Practice drill

Compare source and Databricks object counts to identify missing objects and row-count mismatches.

data migrationsqldata validationEEPAM IndiaEPAM Systems
Merge, Keys, and Large Data MigrationMedium
Practice
Practice drill

Explain MERGE behavior, primary vs foreign keys, and how to migrate large data safely.

data migrationsqldatabase designSnowflake Computing
SCD 2 Query ValidationHard
Practice
Practice drill

Explain SCD Type 2 implementation and verify historical versions are correct.

data migrationsqldata validationInfosys
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3
Behavioral & Leadership5 questions · ~40 min
Maintaining Focus During Priority ShiftsMedium

Tests leading through ambiguity and change while preserving team focus, morale, and delivery under shifting priorities.

adaptabilityTeam ManagementPrioritizationASTEK
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The finish line: interview-readyComplete all 16 questions plus 3 hands-on drills to finish this plan.