SBB Interview Questions
The questions to prepare for SBB interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Calculate each CVS store's 7-day rolling sales average using a CTE, aggregation, join, and window function.
Explain how to ensure data accuracy in SQL workflows using validation checks, reconciliation, and careful query design.
Use a customer purchase aggregation to find previously active Repsol customers with no completed purchase in the last 30 days.
RepsolRank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.
Waymo
CruiseDesign an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.
Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.
Explain what statistical significance means and why it matters when interpreting experimental or analytical results.
Evaluates your understanding of the Software Engineer responsibilities and your plan to contribute at SBB.
Evaluates how you balance short-term and long-term outcomes in SBB product experimentation.
Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.
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