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~2h total · Updated weekly · Last refresh Aug 9

Visa Software Engineer Interview Questions

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

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Design an LRU CacheMedium

Implement an LRU cache in O(1) average time using a hash table and doubly linked list.

Hash TablesQueueLinked Lists
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Merge Downtime Intervals
Easy

Tests your ability to implement an interval merging algorithm correctly and efficiently.

ArraysSortingGreedy
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Detect Cycles in Routing Graph
Hard

Tests your understanding of graph cycle detection and correctness in directed graphs.

RecursiondfsGraphs
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Fraud Detection Under 50ms
Hard

Tests system architecture choices for low-latency fraud evaluation at Visa scale.

Hash TablesGreedyGraphs
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Handle Critical Production VulnerabilityMedium

Describe how you assessed, contained, communicated, and resolved a critical production vulnerability under pressure.

Launch PlanningTrade-offsRisk Assessment
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Push Back on Product Requests
Hard

Decide when to push back on product or business requests that conflict with scope, risk, or delivery goals.

Trade-offsStakeholder ManagementPrioritization
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Handling a Difficult Stakeholder
Easy

Describe how you handled a difficult stakeholder while keeping execution on track and preserving alignment.

Trade-offsRisk AssessmentScope Management
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Balancing Technical Debt and Deadline
Medium

Tests prioritization under pressure, technical judgment, and stakeholder management when technical debt threatens a client deadline.

client deadlineConflict Resolutiontechnical debt
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