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Updated weekly · Last refresh Aug 30

eBay DevOps Engineer Interview Questions

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

11questions
~2htotal time
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1
CodingStart here. 4 questions · ~33 min
Longest Nonrepeating SubstringMedium

Tests sliding window technique and correctness reasoning for substring problems.

StringsSliding WindoweBay
Word Break IIMedium

Tests dynamic programming and memoization skills for generating all valid sentences.

Dynamic ProgrammingStringseBay
N-Queens IIHard

Tests algorithmic problem solving and ability to implement an efficient backtracking solution.

combinatoricseBay
Valid ParenthesesEasy

Tests ability to implement a correct and efficient stack-based solution.

StackvalidationeBay
2
Execution4 questions · ~33 min
Production Stack and QueuesMedium

Tests understanding of data structures and their operational implications in real systems.

system designData StructuresimplementationeBay
Time Complexity Trade-offsMedium

Tests reasoning about performance characteristics and practical trade-offs in system design.

system designTrade-offstime complexityeBay
Global Traffic Load BalancingHard

Tests ability to design resilient load balancing for large-scale, globally distributed systems.

Networkingscalabilityload balancingeBay
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3
Behavioral & Leadership3 questions · ~25 min
Resolve Complex Production IncidentMedium

Tests incident management, troubleshooting, and communication during high-impact failures.

Conflict ResolutioneBay
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The finish line: interview-readyComplete all 11 questions to finish this plan.