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Updated weekly · Last refresh Aug 30

Envestnet Data Engineer Interview Questions

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

21questions
~3htotal time
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1
CodingStart here. 4 questions · ~36 min
Compute Nth Fibonacci NumberEasy
Practice

Compute the nth Fibonacci number using an iterative dynamic programming approach with O(n) time and O(1) space.

RecursionMathDynamic ProgrammingEnvestnet
Sorting Large DatasetsMedium

Tests understanding of scalable sorting strategies and performance tradeoffs.

ArraysSortingGreedyEnvestnet
Deduplicating Data EfficientlyMedium

Tests ability to design efficient deduplication logic and choose appropriate data structures.

Hash TablesArraysData StructuresEnvestnet
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2
Pipelines15 questions · ~135 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityEnvestnet
Diagnose an Integration Pipeline IssueMedium

Structured approach to diagnose failures in an ETL integration, from source extraction through orchestration, data quality, and idempotent recovery.

ToolsDependenciesQualityEnvestnet
Handling Missing Data in PipelinesMedium

Approach for handling missing data in an ML data pipeline, including validation, imputation, and safe downstream consumption.

InfrastructureETLBatch ProcessingEnvestnet
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3
More topics2 questions · ~18 min
SQL vs NoSQL DifferencesEasy

Tests foundational database knowledge and when to choose each type.

JoinsData WranglingEnvestnet
Data Normalization ConceptsEasy

Tests understanding of relational modeling and normalization tradeoffs for data integrity and performance.

JoinsData WranglingAggregationsEnvestnet

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Aggregate Portfolio Account BalancesMedium
Practice
Practice drill

Aggregate Envestnet portfolio balances by asset class and rank each client's top holdings within a date range.

aggregationfinancial datasql queryEnvestnet
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
Contact Center Agent Performance MetricsHard
Practice
Practice drill

Compute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.

ETLAggregationsData ModelingADP
The finish line: interview-readyComplete all 21 questions plus 3 hands-on drills to finish this plan.