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Updated weekly · Last refresh Sep 22

An applied AI Data Engineer Interview Questions

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

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1
SQL & Data ManipulationStart here. 2 questions + 3 drills · ~46 min
Window Functions Use CasesMedium

Evaluates your ability to apply advanced SQL for analytics and transformations.

Window FunctionsAn applied AI
Primary vs Foreign KeysEasy

Assesses your understanding of relational modeling and key constraints for reliable data design.

An applied AI
7-Day Rolling Active UsersMedium
Practice
Practice drill

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning TotalsMetaSpotifyMeta IT
Handling Missing DataMedium
Practice
Practice drill

Standardize missing observation fields with fallback values, missingness flags, and ordered output.

Window Functionsmissing valuesdata cleaningEversource EnergyCincinnati Children's HospitalAdtalem Global Education
SQL Window Functions Moving AverageMedium
Practice
Practice drill

Calculate a three-day moving average of active-client revenue using aggregation and SQL window functions.

Window FunctionsData AnalysissqlAAreteEEvalueserveSShyena Tech Yarns
2
Pipelines2 questions · ~16 min
Optimize Data PipelinesMedium

Assesses your practical experience improving pipeline efficiency and operational outcomes.

An applied AI
SP and ETL ConceptsMedium

Tests your foundational knowledge of database and data engineering patterns.

stored proceduresETLAn applied AI

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3
Behavioral & Leadership1 question · ~8 min
Teamwork and Time ManagementMedium

Evaluates communication, collaboration, and prioritization in day-to-day execution.

time managementteamworkAn applied AI
The finish line: interview-readyComplete all 5 questions plus 3 hands-on drills to finish this plan.