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FSoft Pty Interview Questions

The questions to prepare for FSoft Pty interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
SQL & Data ManipulationStart here. 4 questions + 2 drills · ~54 min
2
Statistics & Probability4 questions · ~34 min
Statistical Significance in Hypothesis TestingEasy

Explain what statistical significance means and why it matters when interpreting experimental or analytical results.

Hypothesis TestingData AnalysisStatistical SignificanceFFSoft Pty
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3
Execution4 questions · ~34 min
Discuss Project Execution ChallengesEasy

Describe a project you led, how you managed stakeholders, handled risks, and made trade-offs to deliver.

Trade-offsRisk AssessmentScope ManagementFFSoft Pty
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4
System Design4 questions · ~34 min
Serving Multiple Fine-Tuned LLMsHard

Design a low-latency, cost-aware serving platform for multiple fine-tuned LLMs under variable traffic.

gpu hardwarelatencyml inferenceFFSoft Pty
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5
Machine Learning4 questions · ~34 min
Improving Prediction AccuracyHard

Implement and evaluate a supervised learning pipeline that improves prediction accuracy through preprocessing, feature engineering, model selection, and...

Hyperparameter Tuningmodel selectionFeature EngineeringFFSoft Pty
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6
Pipelines4 questions · ~34 min
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7
More topics26 questions · ~218 min
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 MismatchFFSoft Pty
Define Metrics for New FeaturesMedium

Define a success metric for a new feature that captures real user value, not just raw usage.

MetricsFeature Prioritizationuser valueFFSoft Pty
Diagnose Engagement DropHard

Identify the causes of a quarterly engagement decline through metric validation, decomposition, segmentation, and trend analysis.

MetricsDiagnosisuser engagementFFSoft Pty
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