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Updated weekly · Last refresh Oct 17

Cotiviti Data Engineer Interview Questions

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

33questions
~5htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 2 drills · ~62 min
Top Customers by Sales RevenueEasy
Practice

Use GROUP BY and SUM to rank the top 10 customers by total revenue from a single sales table.

RankingGroup ByAggregationsCotiviti
SQL vs NoSQL for Go-to-Market DataEasy

Explain how SQL and NoSQL differ in schema, consistency, scaling, and Demandbase-style analytics use cases.

JoinsData WranglingCotiviti
SSIS vs Stored ProceduresMedium

Assesses when to use SSIS versus database-side logic in data integration workflows.

stored proceduresCotiviti
SQL Aggregation QueryEasy
Practice
Recently asked
Practice drill

Aggregate approved Cotiviti claim counts and allowed amounts by provider specialty.

Group ByHavingAggregationsOpenTextCotiviti
Analyze Customer Purchase Trends with Window FunctionsEasy
Practice
Practice drill

Calculate the monthly spending trends for customers using window functions and joins.

The Home DepotAvisoHewlett Packard Enterprise
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2
Pipelines14 questions · ~119 min
Organize Data Pipeline ToolingEasy

Approach for organizing and maintaining a practical data pipeline toolchain across ingestion, transformation, and validation.

Data QualityToolsETLCotiviti
Handle Messy Visualization InputsHard

Approach for turning a large messy dataset with missing and inconsistent fields into visualization-ready data.

Data WranglingETLQualityCotiviti
Design Real-Time Operations Dashboard PipelineHard

Design a pipeline for a real-time operational dashboard, covering streaming ingestion, modeling, data quality, and dashboard serving.

InfrastructureStream ProcessingQualityCotiviti
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3
Coding3 questions · ~25 min
Spark Session Setup and Python TypesMedium

Assesses core Spark setup knowledge and Python data structure understanding for ETL coding.

Data StructurespythonsparkCotiviti
Importance of Data StructuresEasy

Tests understanding of data structures and their impact on correctness and performance.

Hash TablesLinked ListsArraysCotiviti
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4
Behavioral & Leadership11 questions · ~93 min
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The finish line: interview-readyComplete all 33 questions plus 2 hands-on drills to finish this plan.