DeltaX Interview Questions
The questions to prepare for DeltaX interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Reverse a singly linked list iteratively and recursively in Python.
Tests your ability to deliver a clear, relevant introduction tailored to the role at Aqr.
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Explain normalization, why it improves data integrity, and when denormalization is a practical performance tradeoff.
Calculate daily session-level funnel conversion rates using CTEs, CASE WHEN, and date functions.
Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.
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Benjamin MooreUse GROUP BY and conditional aggregation to count data quality issues in a single NVIDIA dashboard source table.
NVIDIADefine the right metrics to judge whether a new product feature is successful.
Tests triage, prioritization logic, and tradeoffs across functions.
Assesses quantitative reasoning and problem-solving under time constraints.
Assesses your UX and product thinking from problem framing to UI decisions.
Evaluates experiment design, metrics selection, and interpretation of results.