Apex Interview Questions
The questions to prepare for Apex interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Reverse a singly linked list in-place using iterative pointer manipulation.
ApexFind the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.
ApexIdentify bet365 users with consecutive losing bets above a risk threshold using ordered streak grouping.
bet365Analyze a food-order total query and explain index trade-offs for filtering, joins, aggregation, and write overhead.
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Design an API by balancing usability, performance, versioning, and operational risk under real product constraints.
ApexExplain a controlled month-end close, including reconciliations, accruals, variance analysis, review, and GAAP financial statement completion.
ApexDefine a practical KPI set for product success, balancing a north star metric with leading indicators.
ApexDesign a production ranking system with robust feature drift monitoring across batch and real-time features at high QPS.
ApexApproach for preserving correctness during a pipeline migration, including validation, replay safety, and controlled cutover.
ApexTests your approach to modeling sensor behavior and validating embedded or system integration.
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