Factset Software Engineer Interview Questions

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

Stack vs Queue Differences

Easy

Compare stack and queue behavior, access order, operations, and common use cases in linear data structures.

StackQueueArrays

Factset

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End-to-End Recommendations System

Hard

Tests system design for ML recommendations, end-to-end pipeline thinking, and evaluation strategy.

ML RankingRetrievalRecommendation Systems

Factset

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Validate Financial Data Pipelines

Medium

Validate financial data from multiple systems before reporting, with checks for reconciliation, completeness, and schema drift.

ETLData ModelingQuality

Factset

Make Batch Pipelines Idempotent

Hard

Tests pipeline reliability design, idempotency, and failure recovery strategies in Factset-style data workflows.

Batch ProcessingIdempotencyDependencies

Factset

Diagnose Slow App Performance

Medium

Tests production debugging, observability, and performance triage for Factset applications.

Trade-offsRisk AssessmentScope Management

Factset

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Optimize a Slow SQL Query

Medium

Tests SQL performance troubleshooting, tooling, and systematic query optimization at Factset.

JoinsCTEsAggregations

Factset

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