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Prep plan
Updated weekly · Last refresh Nov 6A
Airpay Software Engineer Interview Questions
The questions to prepare for a Airpay Software Engineer interview. Questions from real interview reports rank first. Updated daily.
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Performance TuningStart here. 1 question · ~14 min
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Joins1 question + 2 drills · ~34 min
Stored Procedures vs TriggersMedium
Explain how stored procedures and triggers differ in control, execution, and data-integrity use cases.
JoinsData WranglingAggregationsAAirpay
Optimize a Slow SQL QueryHard
Practice
Practice drillRewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.
database optimizationJoinsData Wrangling
Biz2Credit
AmeripriseEEltro Cyberchrome Private
Biz2CreditAmeripriseEEltro Cyberchrome PrivateOptimize Database QueriesMedium
Practice
Practice drillOptimize a PostgreSQL aggregation query by filtering efficiently, reducing intermediate rows, and returning qualifying customer totals.
database optimizationJoinsData WranglingSSonata SoftwareCCentelonAAarohiinfo FI Management
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The finish line: interview-readyComplete all 2 questions plus 2 hands-on drills to finish this plan.