Top 18
Prep plan
Updated weekly · Last refresh Aug 30

Visa GenAI Engineer Interview Questions

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

18questions
~2htotal time
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1
Generative AI & LLMsStart here. 7 questions · ~56 min
Discuss a GenAI ProjectMedium

Talk through a real generative AI project, focusing on architecture, evaluation, hallucination risk, and how you handled safety issues in practice.

Prompt EngineeringRAGLLM EvaluationVisa
Mitigate Prompt Injection in LLMsHard

Tests safety engineering for LLM deployments, including threat modeling and guardrails for payment-critical flows.

HallucinationPrompt InjectionRAGVisa
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2
System Design3 questions · ~24 min
Design Real-Time Fraud Risk ScoringHard

Design a real-time fraud scoring system for card transactions with strict latency, delayed labels, and high availability requirements.

Feature StoreFeature DriftModel ServingVisa
Integrate AI into Legacy PaymentsHard

Tests ability to plan incremental AI adoption while minimizing risk in legacy payment architectures.

InfrastructureFeature StoreModel ServingVisa
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3
Behavioral & Leadership4 questions · ~32 min
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4
More topics4 questions · ~32 min
Diagnose Rising Transaction LatencyHard

Tests troubleshooting approach across pipelines, metrics, and root-cause analysis for payment performance regressions.

InfrastructuremonitoringQualityVisa
Predictive Analytics for Payments MLMedium

Tests ability to design an ML solution for payment forecasting with appropriate data and evaluation.

Feature EngineeringSupervised LearningGradient DescentVisa
Optimize Payment Transaction ProcessingMedium

Tests coding ability to improve throughput or efficiency for payment transaction processing logic.

Hash TablesArraysGreedyVisa
Machine Learning for Business ImpactMedium

Tests ability to translate ML work into measurable business outcomes and communicate results clearly.

Hyperparameter TuningFeature EngineeringSupervised LearningVisa
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