Dataford
Top 26
Prep plan
Updated weekly · Last refresh Aug 30

Factored Analytics Engineer Interview Questions

The questions to prepare for a Factored Analytics Engineer interview. Questions from real interview reports rank first. Updated weekly.

26questions
~4htotal time
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1
SQL & Data ManipulationStart here. 15 questions + 2 drills · ~147 min
7-Day Rolling Active UsersMedium
Practice

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

Window FunctionsDate FunctionsRunning TotalsFactored
Star vs Snowflake for Meta AnalyticsEasy

Explain star and snowflake schemas, their tradeoffs, and when to use each in Meta-scale analytics systems.

Factored
ELT vs ETL Trade-offsMedium

Assesses your ability to reason about trade-offs in data pipeline design.

data processingETLELTFactored
Deduplicate Fact Table IngestionMedium

Tests your approach to deduplication logic and ingestion correctness.

Data Qualitydata ingestionFactored
Rolling 30-Day Active Users SQLHard
Practice
Practice drill

Calculate trailing 30-day active users and rank regional engagement tiers with PostgreSQL aggregation and window functions.

Window FunctionssqlPublicis GroupeFactored
Second Highest Trader SalaryEasy
Practice
Practice drill

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingeClinicalWorksInformaticaSpectraforce Technologies
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2
Pipelines3 questions · ~25 min
Data Quality and Schema EvolutionMedium

Approach for handling schema changes and data quality checks in a high-volume data lake pipeline.

schema evolutionData ModelingQualityFactored
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityFactored
OLAP vs OLTP and SCDMedium

Evaluates your understanding of OLAP vs OLTP concepts and how you handle SCD and dbt components.

data managementFactored

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3
Behavioral & Leadership8 questions · ~68 min
Explaining Technical Trade-offs ClearlyMedium

Tests whether you can translate complex engineering trade-offs into clear business decisions for non-technical stakeholders.

technical communicationTrade-offsStakeholder ManagementFactored
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The finish line: interview-readyComplete all 26 questions plus 2 hands-on drills to finish this plan.