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Updated weekly · Last refresh Oct 17

AlphaSense Software Engineer Interview Questions

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

50questions
~10htotal time
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1
SQL & Data ManipulationStart here. 4 questions · ~49 min
Multi-Level Boolean Query DepthHard
Practice

Use a recursive CTE to find the deepest boolean nesting level for each requested term.

Data ManipulationCTEscomplex queriesAlphaSense
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2
Coding10 questions · ~124 min
CSV Data Aggregation with ErrorsMedium
Practice

Parse erroneous employee CSV rows and compute maximum experience or valid department counts.

aggregationedge casescsv parsingAlphaSense
Collision Detection for Moving PlanesMedium
Practice

Check whether any pair of moving airplanes occupies the same 2D coordinates at a nonnegative integer time.

ArraysAlgorithmsedge casesAlphaSense
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3
System Design10 questions · ~124 min
Dating App High-Level DesignHard

Design a scalable dating application with profile discovery, ML ranking, database choices, caching, and a clear request flow.

latencydatabase accessdesignAlphaSense
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4
Pipelines9 questions · ~111 min
Backfill While Preserving Real TimeHard
Recently asked

Approach for running large historical backfills without breaking real-time pipeline freshness or correctness.

Stream ProcessingDependenciesBackfillingAlphaSense
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5
Technical Fundamentals5 questions · ~62 min
Indexes in Postgres and Query OptimizationHard
Recently asked

Tests database indexing knowledge and query performance optimization.

query optimizationAlphaSense
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6
Security & Infrastructure9 questions · ~111 min
Secure Deployment ProcessHard
Recently asked

Tests secure release engineering practices and risk reduction during production deployments.

SecuritydeploymentAlphaSense
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7
More topics3 questions · ~37 min
Trade-offs During DevelopmentMedium
Recently asked

Explain a development trade-off, including the competing priorities, decision process, stakeholder alignment, and outcome.

Trade-offsExecutiondelivery managementAlphaSense
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The finish line: interview-readyComplete all 50 questions to finish this plan.