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Updated weekly · Last refresh Oct 17

NDA Interview Questions

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

30questions
~4htotal time
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1
CodingStart here. 4 questions · ~34 min
String Manipulation ProblemMedium
Practice

Find the shortest substring containing all required characters using a sliding window and frequency maps.

Hash TablesArraysStringsNDA
Building a Basic Test FrameworkMedium

Evaluates your ability to design and implement core testing framework components.

javapythonNDA
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2
Execution11 questions · ~94 min
Implement CQRS in MicroservicesHard

Tests your ability to design scalable microservices with clear command and query responsibilities at NDA.

architecturemicroservicesNDA
Distributed Transactions and ConsistencyHard

Tests your approach to consistency, failure handling, and distributed system correctness.

microservicesNDA
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3
Behavioral & Leadership10 questions · ~86 min
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4
More topics5 questions · ~43 min
Event-Driven with Azure Service BusHard

Tests your practical event-driven architecture skills and reliability considerations using Azure Service Bus and Redis.

NDA
Async-Await and Thread PoolHard

Tests your deep .NET concurrency knowledge and performance impact of async patterns.

technical depthNDA
Crypto and Industry AwarenessMedium

Evaluates your security awareness and ability to apply modern cryptography concepts appropriately.

industry knowledgecryptographyNDA
Entity vs Value Object in DDDMedium

Tests your DDD fundamentals and ability to model domain concepts correctly.

backgroundtechnical depthNDA
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