Top 28
Prep plan
Updated weekly · Last refresh Sep 26

Deutsche Bank Backend Engineer Interview Questions

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

28questions
~4htotal time
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1
CodingStart here. 4 questions · ~37 min
Detect Cycle in Linked ListEasy
Practice

Use Floyd’s two-pointer algorithm to determine whether a singly linked list contains a cycle.

Hash TablesLinked ListsTwo PointersDeutsche Bank
Thread-Safe Singleton PatternMedium

Explain how to implement a singleton safely under concurrency and avoid race conditions during initialization.

thread safetydesign patternspythonDeutsche Bank
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2
Execution9 questions · ~84 min
Handling Large GET RequestsMedium

Assesses your API design judgment around payload size, performance, and reliability.

api designdata handlingDeutsche Bank
Diagnosing a Sudden Latency SpikeHard

Evaluates incident triage skills and systematic debugging under production constraints.

performanceTroubleshootingDeutsche Bank
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3
System Design5 questions · ~47 min
SQL vs NoSQL Trade-offsMedium

Tests your ability to choose and justify data storage approaches for banking transactions.

Trade-offsDeutsche Bank
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4
SQL & Data Manipulation5 questions + 3 drills · ~77 min
5
Behavioral & Leadership4 questions · ~37 min
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6
More topics1 question · ~9 min
The finish line: interview-readyComplete all 28 questions plus 3 hands-on drills to finish this plan.