Top 26
Prep plan
Updated weekly · Last refresh Aug 30

Nextroll Software Engineer Interview Questions

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

26questions
~4htotal time
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1
CodingStart here. 9 questions · ~84 min
Find Articles Containing a WordEasy
Practice

Use case-insensitive tokenization and sets to find NextRoll articles containing an exact query word.

Nextroll
Return Only Matching Book TitleMedium
Practice

Stream newline-delimited book records and return the first title containing a case-insensitive whole-word match.

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2
System Design4 questions · ~37 min
Real-Time Bidding Receiver at ScaleHard

Tests high-throughput, low-latency system design for real-time bidding ingestion.

distributed trainingRecommendation Systemsperformance analysisNextroll
Optimizing Ad-Scale System DesignHard

Evaluates system design skills with performance and optimization for very large impression and click volumes.

system designoptimizationNextroll
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3
Execution3 questions · ~28 min
Real-Time Ad Analytics DashboardHard

Tests designing real-time analytics pipelines and serving aggregated metrics reliably.

Trade-offsSuccess CriteriadashboardingNextroll
Improving Page PerformanceMedium

Assesses your execution thinking and ability to justify product or performance improvements.

Decision Makingproduct improvementNextroll
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4
Behavioral & Leadership8 questions · ~74 min
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5
More topics2 questions · ~19 min
Fault-Tolerant Webhook Ingestion PipelineHard

Tests building reliable ingestion systems with durability, scaling, and downstream ML readiness.

Machine Learningfault toleranceingestionNextroll
Streaming Sampling for MillionsHard

Tests streaming algorithm selection and memory-efficient analytics design.

Stream ProcessingmonitoringSamplingNextroll

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