Top 14
Prep plan
Updated weekly · Last refresh Oct 17

PRA Group Data Engineer Interview Questions

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

14questions
~3htotal time
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1
CodingStart here. 3 questions · ~34 min
Maximum Sum Contiguous SubarrayEasy
Practice

Use Kadane's algorithm to find the contiguous subarray with the largest sum in linear time.

Dynamic ProgrammingArraysGreedyPRA Group
Custom Duplicate DetectionMedium
Practice

Identify repeated records in one pass using a hash set while preserving duplicate discovery order.

Hash Tablesdeduplicationfrequency countPRA Group
Parsing and Normalizing DatesMedium

Tests your ability to build robust data cleaning logic for messy financial inputs at PRA Group.

parsingDate FunctionsStringsPRA Group
2
SQL & Data Manipulation3 questions + 2 drills · ~54 min
Running Total With Window FunctionsEasy
Practice

Calculate each user's running order total over time using a window function.

Window FunctionsDate FunctionsRunning TotalsPRA Group
Star vs Snowflake for ReportingMedium

Tests your dimensional modeling choices for PRA Group-style reporting and analytics on debt and collections data.

snowflake schemastar schemafinancial dataPRA Group
Schema for Ownership HistoryHard

Tests your ability to model temporal history for ownership changes in PRA Group’s debt portfolio data.

star schemadata integritydimensionsPRA Group
Rolling Three-Month Recovery SQLMedium
Practice
Practice drill

Aggregate PRA Group recoveries by month and calculate a rolling three-month average using PostgreSQL date and window functions.

Window FunctionsDate Functionsfinancial dataPRA Group
Top Customers by Last-Quarter SpendMedium
Practice
Practice drill

Join customers and transactions, filter to the previous quarter, aggregate spend, and return the top three customers by total spend.

Date FunctionsJoinsAggregationsApptioQuantiphiDiscover

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3
Behavioral & Leadership7 questions · ~79 min
Choosing APIs for Data WorkMedium

Evaluates your experience integrating APIs into data pipelines and workflows.

project experienceAPIsPRA Group
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4
More topics1 question · ~11 min
Optimizing Memory for Large CSVsMedium

Tests performance engineering and memory-efficient processing strategies for PRA Group-scale data files.

memory leakperformancepythonPRA Group
The finish line: interview-readyComplete all 14 questions plus 2 hands-on drills to finish this plan.