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Updated weekly · Last refresh Oct 23

Avanade Backend Engineer Interview Questions

The questions to prepare for a Avanade Backend Engineer interview. Questions from real interview reports rank first. Updated daily.

27questions
~4htotal time
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1
System DesignStart here. 7 questions · ~56 min
Dependency Injection in ASP.NET CoreMedium

Assesses your ability to structure DI for maintainable, testable .NET backend services.

architecturedependency injectionAvanade
ASP.NET Core Request LifecycleMedium

Tests your understanding of ASP.NET Core request processing and middleware flow.

Avanade
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2
SQL & Data Manipulation6 questions + 3 drills · ~78 min
SQL Server Concurrency and IntegrityMedium

Tests your strategies for correctness under concurrent access and transactional failures.

concurrencyAvanade
EF vs Dapper PerformanceMedium

Evaluates tradeoffs between ORM and micro-ORM approaches for latency and throughput.

performanceAvanade
Handling Missing DataEasy
Practice
Practice drill

Replace missing sales fields with defined defaults and return a consistently ordered dataset.

missing valuesdata cleaningnull handlingUniversity of MinnesotaThe Home DepotNationwide
Analyze Customer Purchase Trends with Window FunctionsEasy
Practice
Practice drill

Calculate the monthly spending trends for customers using window functions and joins.

The Home DepotAvisoHewlett Packard Enterprise
Inner Join vs Outer JoinEasy
Practice
Practice drill

Demonstrate how INNER JOIN and FULL OUTER JOIN handle matching and unmatched rows.

JoinsData Wranglingnull valuesRocketNeenOpaleBay
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3
Behavioral & Leadership10 questions · ~80 min
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4
More topics4 questions · ~32 min
Optimize a Slow APIMedium

Evaluates your debugging, profiling, and performance optimization process from diagnosis to verification.

performanceProblem SolvingAvanade
Dependency Injection in .NET CoreMedium

Tests your ability to apply DI patterns in .NET Core for modular backend development.

Programmingdependency injectionAvanade
C# Async and MultithreadingMedium

Evaluates your practical approach to concurrency, correctness, and responsiveness in .NET.

Avanade
Prioritizing Multiple Client DeliverablesMedium

Assesses execution planning and prioritization under competing customer needs.

ExecutionAvanade
The finish line: interview-readyComplete all 27 questions plus 3 hands-on drills to finish this plan.