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Updated weekly · Last refresh Oct 17

Anblicks Data Engineer Interview Questions

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

20questions
~3htotal time
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1
PipelinesStart here. 9 questions · ~72 min
Choosing Parquet vs CSVMedium

Tests understanding of file formats and their performance implications in Spark.

Anblicks
Secure Data Access SetupMedium

Assesses secure configuration practices for controlled data access in Azure-based pipelines.

SecurityAnblicks
Handling Massive Table ChecksHard

Evaluates strategies for scalable filtering and performance management in Spark at extreme data volumes.

performance optimizationAnblicks
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2
SQL & Data Manipulation5 questions + 3 drills · ~70 min
File Formats in PySparkMedium

Tests understanding of data formats and their impact on PySpark ingestion and processing.

pysparkdata processingAnblicks
Relational Principles in PracticeMedium

Assesses practical understanding of relational modeling and advanced database capabilities.

best practicesrelational databasesAnblicks
Troubleshooting Long-Running SQLMedium

Tests diagnostic approach to query performance issues and stored procedure troubleshooting.

performanceTroubleshootingAnblicks
Stored Procedures in WarehousesMedium

Evaluates ability to design maintainable, performant stored procedures using warehouse best practices.

best practicesstored proceduresdata warehouseAnblicks
Explain ETL ProcessMedium
Practice
Practice drill

Demonstrate ETL by extracting staged sales, cleaning values, validating records, and producing load-ready output.

data cleaningdata processingETLPlaidBristlecone
Top 5% Clients by VolumeMedium
Practice
Practice drill

Write a query to identify the top 5% of clients by transaction volume over the last quarter. Treat transaction volume as the number of transactions. Use t...

Date Functionssql querytransaction volumeHHighRadiusTTBO tekTTD
Retention Rate SQL With JoinsMedium
Practice
Practice drill

Calculate consecutive-month customer retention rates using joins, aggregation, and date-based CTEs.

aggregationsql queryTiger AnalyticsCCorGTADDS Group
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3
Behavioral & Leadership6 questions · ~48 min
Shifting Requirements During a SprintMedium

Tests how you handle ambiguity and re-prioritize mid-execution while aligning stakeholders and maintaining delivery momentum.

AgileadaptabilityDealing With AmbiguityAnblicks
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The finish line: interview-readyComplete all 20 questions plus 3 hands-on drills to finish this plan.