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SoFi Interview Questions

The questions to prepare for SoFi interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
SQL & Data ManipulationStart here. 4 questions + 2 drills · ~61 min
2
Coding5 questions · ~51 min
Dependency Graph Build OrderMedium
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Generate a valid SoFi component build order with Kahn's topological sort and detect circular dependencies.

Dynamic ProgrammingGraphsSoFi
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3
Machine Learning4 questions · ~41 min
Handling Imbalanced Fraud LabelsMedium

Explain how to train and evaluate models on highly imbalanced fraud data without relying on misleading accuracy.

Cross-ValidationFeature EngineeringSupervised LearningSoFi
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4
Pipelines4 questions · ~41 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualitySoFi
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5
Metrics5 questions · ~51 min
Measure Marketing Campaign SuccessEasy

Define campaign success using business KPIs, funnel conversion, acquisition cost, and leading indicators tied to outcomes.

Funnel AnalysisKPIsLeading IndicatorsSoFi
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6
Execution4 questions · ~41 min
Plan a Phased Operations RolloutMedium

Plan a phased rollout for a new operational initiative with clear stages, success criteria, and risk controls.

Launch Planningphased rolloutsProject ManagementSoFi
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7
More topics24 questions · ~246 min
Prioritize Features for a New ProductMedium

A framework for deciding which features should ship first when building a new product.

Feature PrioritizationUser Needsproduct developmentSoFi
Common Pitfalls in Experiment ResultsHard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio MismatchSoFi
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.