Zscaler Software Engineer Interview Questions
The questions to prepare for a Zscaler Software Engineer interview. Questions from real interview reports rank first. Updated weekly.
Implement an LRU cache using a hash map and doubly linked list to support O(1) get and put operations.
ZscalerImplement a Saviynt access-request stack that supports push, pop, and minimum lookup in O(1) time.
ZscalerAssesses understanding of threading and debugging skills for concurrency problems.
ZscalerEvaluates practical automation and testing skills applied to networking or security workflows.
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Evaluates system design and implementation thinking for transactional behavior in microservices.
ZscalerAssesses understanding of transactional guarantees and concurrency implications in software systems.
ZscalerFind the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.
eClinicalWorks
Informatica
Spectraforce TechnologiesUse MAX, a scalar subquery, and a LEFT JOIN to identify Zscaler employees with the highest salary.
ZscalerZZScalarRank active HSBC employees by division and return every employee tied for the highest or second-highest salary.
HsbcAssesses production troubleshooting skills and approach to scaling problems.
ZscalerEvaluates your experience with building and operating reliable delivery pipelines.
Zscaler