Cantina Interview Questions
The questions to prepare for Cantina interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Reverse a singly linked list in-place using iterative pointer manipulation.
CantinaUse a hash map to find two array elements that sum to a target in O(n) time.
CantinaWrite a binary search function to find a target value in a sorted array.
CantinaExplain how you would design a new feature in an existing application while managing scope, trade-offs, and success criteria.
CantinaTests risk management, testing strategy, and incremental improvement planning.
CantinaTests ability to define measurable outcomes aligned to delivery, quality, and user impact.
CantinaRewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.
CantinaTests your workflow with branching, merging, and collaboration practices using VCS.
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Analyze a food-order total query and explain index trade-offs for filtering, joins, aggregation, and write overhead.
HelloFreshOptimize a PostgreSQL aggregation query by filtering efficiently, reducing intermediate rows, and returning qualifying customer totals.