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Nuna Interview Questions

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

50questions
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1
CodingStart here. 12 questions · ~110 min
Second Largest NumberEasy
Practice

Find the second largest distinct number in an array using a single pass and constant extra space.

Nuna
Handle Missing Values and AnomaliesEasy
Practice

Clean missing fields and out-of-range measurements while returning a structured anomaly report.

coding challengedata cleaninganomaly detectionNuna
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2
Pipelines10 questions · ~91 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityNuna
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3
System Design7 questions · ~64 min
Design a URL Shortening ServiceHard

Design a URL shortening service that routes, ranks, and monitors links at scale.

Feature StoreModel ServingNuna
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4
SQL & Data Manipulation5 questions + 3 drills · ~76 min
5
Behavioral & Leadership11 questions · ~101 min
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6
More topics5 questions · ~46 min
Handling Architectural Stakeholder ConflictMedium

Tests conflict resolution and influence when a stakeholder challenges an architectural decision with meaningful business or technical stakes.

Conflict ResolutionStakeholder ManagementCommunicationNuna
Microservices Design ConsiderationsMedium

Tests distributed systems design trade-offs and operational awareness.

Trade-offsRisk AssessmentScope ManagementNuna
Memory Constraints With JSON or CSVMedium

Assesses strategies for scalable parsing and processing under limited memory.

memory managementdata processingNuna
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.