Dataford
Top 3
Prep plan
Updated weekly · Last refresh Sep 22

Perpay Data Analyst Interview Questions

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

3questions
~1htotal time
Track your progressSign up free to work through all 3 questions and resume where you left off.
Start practicing free →
1
PipelinesStart here. 1 question · ~8 min
Data Integrity During System MigrationHard

Approach for preserving correctness during a pipeline migration, including validation, replay safety, and controlled cutover.

ETLIdempotencyQualityPerpay
2
SQL & Data Manipulation1 question + 3 drills · ~38 min
End-to-End Dataset AnalysisMedium

Evaluates your approach to data analysis workflows, tooling choices, and end-to-end delivery.

sqlpythonPerpay
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Cleaning a Messy DatasetMedium
Practice
Practice drill

Filter invalid game events and normalize event names using PostgreSQL string and null handling.

missing valuesdata cleaningnull handlingQuantiumScopelyCarvana
SQL KPI Measurement With PythonMedium
Practice
Practice drill

Calculate monthly transaction KPIs by risk tier, including label coverage, suspicious rates, and period-over-period success changes.

sqldata validationpythonRevolut

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Behavioral & Leadership1 question · ~8 min
Data-Driven Decision That Changed CourseMedium

Tests whether you can use analysis to change a decision, align stakeholders, and own the outcome.

Stakeholder ManagementCommunicationOwnershipPerpay
The finish line: interview-readyComplete all 3 questions plus 3 hands-on drills to finish this plan.