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Updated weekly · Last refresh Aug 30

Dataminr Software Engineer Interview Questions

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

50questions
~9htotal time
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1
CodingStart here. 26 questions · ~279 min
Rotate Square Matrix In PlaceEasy
Practice

Rotate an n x n matrix 90 degrees clockwise in place using transpose and row reversal.

Array ManipulationMatrixDataminr
Implement Binary Search AlgorithmEasy
Practice

Write a binary search function to find a target value in a sorted array.

SearchingDataminr
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2
System Design4 questions · ~43 min
Real-Time Alert Processing and RankingHard

Tests your ability to design end-to-end real-time alert pipelines with ranking and quality controls.

ML RankingFeature StoreRetrievalDataminr
Scalable Real-Time Event RetrievalHard

Tests your system design for low-latency retrieval and matching at scale.

Cold StartFeature StoreRetrievalDataminr
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3
Execution3 questions · ~32 min
Microservices Architecture DesignHard

Tests your system decomposition, scalability thinking, and operational considerations.

InfrastructureTrade-offsScope ManagementDataminr
SQL vs NoSQL TradeoffsMedium

Tests your data modeling and storage selection reasoning for scale and reliability.

InfrastructureTrade-offsData WranglingDataminr
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4
Behavioral & Leadership14 questions · ~150 min
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5
More topics3 questions · ~32 min
Real-Time Data Processing DesignHard

Tests system design for streaming, reliability, and end-to-end data flow.

InfrastructureStream ProcessingOrchestrationDataminr
What Happens When You Load a WebpageMedium

Evaluates your understanding of the web request lifecycle and core infrastructure components.

Dataminr
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