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Cassini Technologies Interview Questions

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

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1
CodingStart here. 7 questions · ~67 min
Palindrome CheckEasy
Practice

Use two pointers to determine whether a PowerStore asset label reads identically in reverse.

ArraysStringsTwo PointersCassini Technologies
Flatten Nested Lists in PythonEasy
Practice

Flatten arbitrarily nested lists while preserving order using depth-first traversal.

RecursionStackArraysCassini Technologies
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2
Execution5 questions · ~48 min
Balance Debt Against Feature DeliveryMedium

Explain how you would balance technical debt reduction with feature delivery when stakeholders want visible progress but engineering risk is rising.

Trade-offsRisk AssessmentScope ManagementCassini Technologies
Choosing Monolith vs MicroservicesMedium

Explain how you would decide between a monolith and microservices for a new engineering initiative.

Trade-offsRisk AssessmentScope ManagementCassini Technologies
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3
Pipelines3 questions · ~29 min
High-Volume Surgical Data ServiceHard

Tests your system design skills for scalable, reliable ingestion and processing of medical device data.

InfrastructureStream ProcessingQualityCassini Technologies
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4
Behavioral & Leadership7 questions · ~67 min
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5
More topics3 questions · ~29 min
Real-Time Patient Data SystemHard

Tests your end-to-end system design skills for real-time data access, security, and reliability.

Feature StoreModel ServingRecommendation SystemsCassini Technologies
Database Performance OptimizationMedium

Tests your approach to database tuning, query optimization, and operational performance improvements.

Data WranglingAggregationsCassini Technologies
Correctness with Type AnnotationsMedium

Tests your practices for leveraging typing, tooling, and tests to prevent defects.

CommunicationOwnershipCassini Technologies
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 25 questions plus 3 hands-on drills to finish this plan.