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Selby Jennings Software Engineer Interview Questions

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

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1
CodingStart here. 5 questions · ~41 min
Optimize Tick Processing in PythonMedium

Tests performance tuning and data processing strategies for large-scale trading datasets.

Data Structurespythonperformance analysisSelby Jennings
Sliding Window Moving AverageMedium

Tests your algorithm design skills for real-time analytics over financial market data streams.

Stream ProcessingQueueSliding WindowSelby Jennings
Low-Latency Constrained SortingMedium

Tests your knowledge of algorithmic tradeoffs under strict latency and resource constraints.

SortingAlgorithmsperformance analysisSelby Jennings
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2
Execution3 questions · ~25 min
Distributed Prediction Market ArchitectureHard

Tests your system design skills for high-scale, low-latency trading-style platforms.

Trade-offsExecutionRoadmappingSelby Jennings
Database Replication and ConsistencyHard

Tests your understanding of replication, consistency models, and operational tradeoffs for trading systems.

Trade-offsCloud Security RisksconsistencySelby Jennings
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3
Behavioral & Leadership7 questions · ~58 min
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4
More topics3 questions · ~25 min
Fault-Tolerant Config ManagementHard

Tests your distributed systems design for resilience and safe configuration rollout.

InfrastructureOrchestrationfault toleranceSelby Jennings
C++ Embedded Security BasicsMedium

Evaluates your understanding of embedded C++ constraints and how you think about security and robustness.

Embedded Systemsc++Selby Jennings
Zero-Loss Real-Time Feed HandlerHard

Tests your reliability and backpressure design for real-time market data pipelines.

data integrationStream ProcessingmonitoringSelby Jennings

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