Capgemini Backend Engineer Interview Questions

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

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Interface vs Abstract Class

Medium

Evaluates your ability to choose the right Java abstraction for maintainable backend design.

java

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Understanding ACID Properties in DatabasesMedium

Explain the ACID properties of database transactions and their importance.

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SQL Query Optimization

Medium

Tests your approach to diagnosing and improving SQL performance.

Performance Tuningsql

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Normalization and Performance

Medium

Assesses your understanding of schema design tradeoffs between consistency and query performance.

normalizationdata integrity

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SQL Join Types

Medium

Tests SQL join semantics and how result sets change with different join types.

Joinsdatabasesql

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Service Discovery and CommunicationMedium

Assesses your approach to reliable communication patterns in microservices systems.

service discoveryCommunicationmicroservices

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Distributed Transactions in Microservices

Hard

Evaluates your strategies for consistency, failure handling, and tradeoffs in distributed systems.

handlingmicroservices

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API Gateway in Microservices

Medium

Evaluates your understanding of routing, security, and cross-cutting concerns in microservices.

api gatewayarchitecturemicroservices

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