eBay Software Engineer Interview Questions
The questions to prepare for a eBay Software Engineer interview. Questions from real interview reports rank first. Updated weekly.
Traverse a binary tree level by level using a queue-based breadth-first search.
eBayReverse a singly linked list in-place using iterative pointer manipulation.
eBayDesign a URL shortening service that routes, ranks, and monitors links at scale.
eBayDesign the ML system behind a real-time chat app, including message ranking, retrieval, serving, and feedback loops.
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Explain how SQL and NoSQL differ in schema, consistency, scaling, and Demandbase-style analytics use cases.
eBayFind the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.
eClinicalWorks
Informatica
Spectraforce TechnologiesAggregate user activity by week, then use LAG to compare sessions and watch time versus the prior active week.
B Lab Global
Tapad
ScaleCalculate month-1 retention for January vs February signup cohorts using joins, date filtering, and aggregation.
Trideum
ZulilyeBayEvaluates how you ensure correctness, reliability, and quality before and after release.
eBayAssesses your ability to explain JVM responsibilities and runtime behavior.
eBayTests your system architecture knowledge and tradeoffs of decomposing services.
eBay