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Zalando Backend Engineer Interview Questions

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

Resolving Technical Conflict on Approach
Medium

Tests conflict resolution in technical disagreements, including communication, influence without authority, and ownership of the final outcome.

Conflict ResolutionStakeholder ManagementCommunication
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Concurrent Order Queue ProcessingMedium

Evaluates your ability to implement correct concurrent backend logic.

functionsconcurrency
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Refactor for Readability and Performance
Medium

Evaluates code quality improvements and performance-aware refactoring skills.

performance
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Data Structures and Algorithms
Medium

Evaluates your problem-solving skills with standard data structures and algorithms.

Data Structuresimplementation
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Database Trade-offs for E-commerceMedium

Evaluates your ability to choose and justify data storage technologies for e-commerce.

Trade-offs
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High Availability in Distributed Systems
Medium

Tests your approach to designing resilient distributed backend systems.

distributed systemshigh availabilityfault tolerance
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Scalable Web Shop Order Processing
Hard

Tests your ability to design an end-to-end scalable order processing backend.

scalabilitymicroservices
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Live Coding and Architecture Discussion
Medium

Evaluates your performance under live coding pressure and your architectural reasoning.

architecture
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