Top 36
Prep plan
Updated weekly · Last refresh Aug 30

Neptune Technology Group Software Engineer Interview Questions

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

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1
CodingStart here. 7 questions · ~56 min
LINQ Query Execution CountMedium

Tests ability to reason about LINQ-to-database execution and optimize query behavior to reduce database load.

performanceNeptune Technology Group
Deferred Execution in LINQMedium

Tests understanding of LINQ execution timing and how it influences query performance and resource usage.

performanceNeptune Technology Group
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2
Pipelines3 questions · ~24 min
Efficient JSON PayloadsMedium

Tests ability to design API contracts that reduce payload size, improve throughput, and maintain compatibility.

APIsjson parsingData ModelingNeptune Technology Group
Serverless Telemetry ProcessingMedium

Tests understanding of event-driven processing and how serverless components support low-latency telemetry pipelines.

InfrastructureStream ProcessingNeptune Technology Group
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3
Behavioral & Leadership21 questions · ~168 min
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4
More topics5 questions · ~40 min
Microservices on AWS for TelemetryHard

Tests system design skills for cloud-native microservices, including decomposition, communication, and operational concerns.

Feature StoreModel ServingRecommendation SystemsNeptune Technology Group
Optimize Multi-Table Reporting SQLHard

Tests advanced SQL optimization for complex joins, indexing strategy, and performance under reporting SLAs.

JoinsperformanceAggregationsNeptune Technology Group
SQL Server vs DynamoDB Trade-offsMedium

Tests data modeling and storage decision-making based on query patterns, consistency, and scalability needs.

Decision MakingTrade-offsScope ManagementNeptune Technology Group
Design Microservices for Smart MetersHard

Tests end-to-end architecture design for scalable telemetry ingestion, processing, and service boundaries.

Feature StoreModel ServingRecommendation SystemsNeptune Technology Group
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 36 questions plus 3 hands-on drills to finish this plan.