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A+E Group Interview Questions

The questions to prepare for A+E Group interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 16 questions · ~146 min
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysA+E Group
Shortest Path in a GraphMedium
Practice

Find the minimum-cost path between two nodes in a weighted graph using Dijkstra's algorithm.

QueueSearchingGraphsA+E Group
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2
Pipelines16 questions · ~146 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityA+E Group
Backfilling Missing Pipeline DataMedium

Approach for safely backfilling missing data while preserving correctness, idempotency, and data quality.

ETLQualityA+E Group
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3
Execution16 questions · ~146 min
Resolve Conflicting Stakeholder PrioritiesMedium

Explain how you align stakeholders with competing priorities, make trade-offs explicit, and keep execution on track.

Trade-offsRisk AssessmentScope ManagementA+E Group
Prioritize Conflicting Engineering DeadlinesMedium

Explain how you would prioritize competing engineering deadlines when stakeholders, business impact, and delivery risk are all in tension.

Trade-offsRoadmappingRisk AssessmentA+E Group
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4
More topics2 questions · ~18 min
Optimize Database Query PerformanceMedium

Tests your ability to diagnose and improve SQL query performance using indexing, query plans, and execution strategies.

indexingJoinsAggregationsA+E Group
SQL vs NoSQL Trade-offsMedium

Tests your understanding of consistency, scalability, and workload fit for different data storage choices.

JoinsData WranglingAggregationsA+E Group
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
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
Handle Missing Financial Input ValuesMedium
Practice
Practice drill

Use joins, CTEs, and CASE logic to flag and fill missing financial fields for Qlik planning records.

Data WranglingETLQualityQlik
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.