Top 30
Prep plan
Updated weekly · Last refresh Aug 30

Ascentt Data Engineer Interview Questions

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

30questions
~4htotal time
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1
SQL & Data ManipulationStart here. 7 questions + 2 drills · ~79 min
Monthly Sales Aggregation by Product CategoryEasy
Practice

Aggregate monthly sales totals by product category using JOINs, GROUP BY, and date formatting.

Ascentt
Customer Decision Analysis with SQLEasy

Explain how you used SQL aggregations and simple trend analysis to help a customer make a business decision.

JoinsData WranglingAggregationsAscentt
Using SQL to Extract InsightsEasy

Explain how SQL is used to extract business insights through filtering, aggregation, and trend analysis.

JoinsData WranglingAggregationsAscentt
7-Day Rolling Active UsersMedium
Practice
Practice drill

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning TotalsMetaSpotifyMeta IT
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
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2
Pipelines20 questions · ~168 min
Data Quality and Schema EvolutionMedium

Approach for handling schema changes and data quality checks in a high-volume data lake pipeline.

schema evolutionData ModelingQualityAscentt
Terraform State for Databricks PipelinesMedium

Design remote Terraform state, locking, and promotion workflows for reusable Databricks pipeline infrastructure across multi-env AWS deployments.

InfrastructureDependenciesQualityAscentt
Secure Terraform State ManagementMedium

Approach for securing Terraform state across teams, environments, and automated deployment pipelines.

InfrastructureDependenciesQualityAscentt
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3
More topics3 questions · ~25 min
Flatten Nested JSON in PythonMedium

Tests Python data processing and transformation skills for nested JSON inputs.

Hash TablesArraysStringsAscentt
Maintainable Data Engineering CodeEasy

Tests software engineering practices for production-quality data codebases.

RecursionHash TablesArraysAscentt
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The finish line: interview-readyComplete all 30 questions plus 2 hands-on drills to finish this plan.