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Updated weekly · Last refresh Oct 17

Nagarro Backend Engineer Interview Questions

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

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1
CodingStart here. 7 questions · ~57 min
Java Abstract Class vs InterfaceEasy

Tests your understanding of core Java OOP concepts and when to use each.

Hash TablesArraysStringsNagarro
Java Coding Output CorrectnessMedium

Evaluates debugging and validation practices when coding problems have strict expected outputs.

Nagarro
Spring Bean LifecycleMedium

Assesses your understanding of Spring bean lifecycle and related extension points.

javaNagarro
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2
Technical Fundamentals5 questions · ~41 min
Java Collections Framework HierarchyMedium

Assesses ability to explain core Java collection types and their relationships.

Data StructuresNagarro
Preventing Memory Leaks in Spring BootHard

Tests ability to identify and mitigate memory leak risks in production Spring Boot services.

javamemory leaksspring bootNagarro
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3
More topics5 questions · ~41 min
Kafka Partitioning and OrderingMedium

Evaluates your understanding of Kafka ordering guarantees and partition behavior.

kafkaNagarro
Java Collections and SQL BasicsMedium

Tests your ability to apply Java collections and SQL for backend data manipulation.

javasqlNagarro
Designing RESTful APIsMedium

Assesses API design tradeoffs for reliability, scalability, and maintainability.

service architectureNagarro
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL Duplicate DetectionEasy
Practice
Practice drill

Find duplicate customer profiles by grouping on identifying fields and returning only repeated records.

Group ByHavingAggregationsAdtalem Global EducationUniversity of Southern CaliforniaBlue Cross Blue Shield of Michigan
Top Paid Per DepartmentEasy
Practice
Practice drill

Find the top 3 highest-paid employees in each department using window functions.

Window FunctionsRankingBrillioAubay SpainSabre Systems
Java, Spring Boot, and DB BasicsEasy
Practice
Practice drill

Classify interview questions into Java, Spring Boot, or database topics and count each category.

javaCase Whendatabase queryingAllstate
The finish line: interview-readyComplete all 17 questions plus 3 hands-on drills to finish this plan.