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Prep plan
Updated weekly · Last refresh Aug 30

University of Pennsylvania Software Engineer Interview Questions

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

33questions
~4htotal time
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1
ExecutionStart here. 15 questions · ~122 min
Explain a Technical Limitation ClearlyEasy

Describe how you communicated a technical constraint to a non-technical stakeholder while preserving trust and aligning on trade-offs.

Trade-offsSuccess CriteriaRisk AssessmentUniversity of Pennsylvania
Communicate Trade-offs Under ConstraintsEasy

Explain how you communicate scope, timing, and quality trade-offs when demand exceeds available engineering capacity.

Trade-offsRisk AssessmentScope ManagementUniversity of Pennsylvania
Explain Technical Trade-offs ClearlyEasy

Explain technical trade-offs to non-technical stakeholders in a way that drives alignment and decision-making.

Trade-offsSuccess CriteriaRisk AssessmentUniversity of Pennsylvania
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2
Coding13 questions · ~106 min
Hash Table vs Binary Search TreeEasy

Compare hash tables and binary search trees by structure, operation costs, ordering, and when each is the better choice.

Hash TablesbstData StructuresUniversity of Pennsylvania
Modular Architecture for MissionMedium

Tests architectural thinking for modularity, extensibility, and mission-aligned delivery.

Hash TablesArraysTreesUniversity of Pennsylvania
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3
More topics5 questions · ~41 min
Genomic Data PipelinesHard

Tests pipeline design for complex genomic workflows and usability for research teams.

ETLBatch ProcessingData ModelingUniversity of Pennsylvania
Data Integrity Across DatabasesHard

Tests data consistency strategies for syncing records across institutional data stores.

JoinsData WranglingCTEsUniversity of Pennsylvania
Maintain Lab InfrastructureMedium

Tests operational ownership for lab infrastructure and reliability of environments.

InfrastructureSchedulingOrchestrationUniversity of Pennsylvania
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 33 questions plus 3 hands-on drills to finish this plan.