Top 27
Prep plan
Updated weekly · Last refresh Oct 17

Plangrid Data Engineer Interview Questions

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

27questions
~4htotal time
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1
PipelinesStart here. 9 questions · ~86 min
Airflow and SQL EngineeringMedium

Assesses ownership of pipeline orchestration and implementation across SQL and Python.

data engineeringpythonairflowPlangrid
Diagnose Pipeline BottlenecksMedium

Evaluates your ability to troubleshoot and improve performance in data pipelines.

data pipelineProblem SolvingPlangrid
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2
SQL & Data Manipulation5 questions + 1 drill · ~58 min
SQL Window FunctionsEasy

Tests understanding of SQL window functions and applying them with Python.

Window FunctionssqlPlangrid
Latest Record Per KeyEasy
Practice

Use a CTE and ROW_NUMBER to return the latest QA execution for each active Apex Systems test case.

Window FunctionsRankingCTEsPlangrid
SQL for Duplicate Blueprint UploadsMedium
Practice
Practice drill

Identify blueprint upload pairs with matching metadata and file sizes within a five percent threshold.

deduplicationnull handlingJoinsPlangrid
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3
Technical Fundamentals3 questions · ~29 min
PySpark DataFrame vs Spark SQLMedium

Tests understanding of Spark APIs, optimization differences, and performance tradeoffs.

performancesparkFrameworksPlangrid
Unit Testing Data PipelinesMedium

Tests test strategy, edge-case thinking, and correctness validation for data transformations.

data pipelineedge casesPlangrid
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4
Behavioral & Leadership8 questions · ~76 min
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5
More topics2 questions · ~19 min
Merge Overlapping IntervalsMedium
Practice

Sort intervals by start time, then merge overlapping ranges into a minimal non-overlapping list.

ArraysSearchingSortingPlangrid
Flatten Irregular JSON ConfigMedium

Tests Python parsing, recursion/iteration, and transformation of irregular nested JSON into tabular structure.

json parsingfunctionspythonPlangrid

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