Dataford
Top 50
Prep plan
Updated weekly · Last refresh Aug 30

APS Software Engineer Interview Questions

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

50questions
~7htotal time
Track your progressSign up free to work through all 50 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 5 questions + 3 drills · ~70 min
Handling Deadlocks in Concurrent TransactionsMedium

Explain how to detect, prevent, and recover from deadlocks in concurrent PostgreSQL transaction workloads.

deadlocksdatabase managementmysqlAPS
Complex Batch Query BottleneckHard

Tests skills in tuning complex SQL to remove bottlenecks in scheduled batch workloads.

SubqueriesJoinsAggregationsAPS
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
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
Unify CRM and Google Analytics ViewHard
Practice
Practice drill

Merge CRM orders with GA events via an identity map to build a customer-level view using joins, window functions, and monthly rollups.

SubqueriesJoinsData WranglingArtefact
More SQL & Data Manipulation questions with a free account
2
Pipelines5 questions · ~40 min
Recover a Failed Batch JobHard

Handle a daily batch pipeline that fails midway through processing 100 million rows without duplicating data or breaking downstream tables.

Batch ProcessingIdempotencyBackfillingAPS
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityAPS
More Pipelines questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Execution29 questions · ~234 min
Communicate Security Risk ClearlyEasy

Explain how you would communicate a meaningful security risk to non-security stakeholders so they understand impact, urgency, and trade-offs.

Trade-offsSuccess CriteriaRisk AssessmentAPS
Workaround vs Systemic FixEasy

Explain when to use a quick workaround to restore service versus investing in a durable fix, and how to manage the trade-off.

Trade-offsRisk AssessmentScope ManagementAPS
More Execution questions with a free account
4
Coding4 questions · ~32 min
Automate Support and Self-HealingMedium

Tests your ability to reduce operational toil and improve resilience using automation and self-healing patterns.

Hash TablesArraysGreedyAPS
More Coding questions with a free account
5
System Design3 questions · ~24 min
Infrastructure and Quality EngineeringMedium

Assesses your hands-on experience with infrastructure, QA, and operational software systems.

APS
More System Design questions with a free account
6
Behavioral & Leadership4 questions · ~32 min
More Behavioral & Leadership questions with a free account
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.