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Rakuten Advertising Interview Questions

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

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1
CodingStart here. 9 questions · ~82 min
Maximum Sum Contiguous SubarrayEasy
Practice

Use Kadane's algorithm to find the contiguous subarray with the largest sum in linear time.

Dynamic ProgrammingArraysGreedyRakuten Advertising
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2
Metrics5 questions · ~46 min
Healthy Programmatic Campaign KPIsEasy

Identify the core KPIs that show whether a programmatic campaign is delivering, engaging, and driving business results.

programmatic advertisingKPIscampaign healthRakuten Advertising
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3
Technical Fundamentals8 questions · ~73 min
Spring Bean LifecycleMedium

Tests your understanding of Spring internals and how bean initialization and wiring work.

technical knowledgeFrameworksRakuten Advertising
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4
Execution8 questions · ~73 min
High Availability in MicroservicesHard

Tests your understanding of resilience patterns, failure handling, and operational reliability.

Rollback PlanRisk AssessmentmicroservicesRakuten Advertising
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5
Behavioral & Leadership13 questions · ~118 min
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6
More topics7 questions · ~64 min
Optimizing Slow PostgreSQL Production QueriesHard

Explain how to diagnose slow PostgreSQL queries in production and choose effective indexing strategies.

Performance Tuningindexesquery optimizationRakuten Advertising
Resume WalkthroughEasy

Present a concise, structured resume walkthrough that connects your experience to the Research Analyst role at Baird.

Estimationanalytical thinkingBusiness AcumenRakuten Advertising
Secure REST APIsMedium

Tests your security mindset and practical API hardening techniques.

rest apisSecuritytechnical knowledgeRakuten Advertising
REST APIs and Microservice HealthMedium

Evaluates your API design rationale and your approach to observability for microservices.

monitoringapi designmicroservicesRakuten Advertising
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Refactoring a Slow QueryMedium
Practice
Practice drill

Refactor a slow Candid Health claims query using pre-aggregation, latest-event logic, and monthly payer metrics.

Performance Tuningdatabase optimizationCTEsCandid Health
High-Throughput Write Schema DesignMedium
Practice
Practice drill

Measure latest ingestion-batch completeness and answer coverage while preserving organization and event integrity.

database optimizationschema designperformancePress ganey
Optimizing Poorly Performing SQLHard
Practice
Practice drill

Optimize a PostgreSQL reporting query by reducing scanned rows, preserving unmatched records, and selecting the latest related review efficiently.

database optimizationlarge datasetsperformancePPriority Technology Holdings, LLCZillowOne
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.