Starling Interview Questions
The questions to prepare for Starling interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Calculate monthly cohort retention using date-based cohorts, aggregation, and window functions.
Join two tables and derive palindrome, reversed-substring, and character-frequency results with PostgreSQL.
HsbcDiagnose a below-expectations product metric drop using decomposition, guardrails, and experiment checks.
Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
Define a success metric for a new feature that captures real user value, not just raw usage.
Explain how net income, cash flow, retained earnings, and balance-sheet balances connect and how to verify a three-statement model ties.
Explain statistical significance, p-values, uncertainty, and practical importance to a non-technical audience.
Explain how to select automation tools based on application risks, test layers, reliability, and maintenance cost.
Explain how you coordinate incident response, identify root causes, and deliver preventative engineering improvements.
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