Aircall Software Engineer Interview Questions

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

Sorting Algorithms and Efficiency

Medium

Tests your ability to reason about sorting approaches and compare time and space tradeoffs.

ArraysSortingGreedy

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Code Optimization Outcome

Medium

Tests performance improvement skills and ability to measure results.

Hash TablesArrays

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REST vs GraphQL

Medium

Tests API design knowledge and your ability to choose the right approach for product needs.

ArraysStrings

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Managing API Versioning

Medium

Tests your ability to design backward-compatible APIs and plan safe evolution for clients.

Trade-offsRoadmappingRisk Assessment

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Immediate Actions for Outage

Hard

Tests your incident response discipline, prioritization, and ability to restore service safely.

InfrastructureRisk AssessmentQuality

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Handling Missing Values

Medium

Tests your judgment on imputation, exclusion, and impact on analysis outcomes.

Data WranglingAggregationsQuality

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