G-Research Interview Questions
The questions to prepare for G-Research interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Tests conflict resolution in a delivery context, including communication, influence without authority, and ability to preserve team trust while reaching a decision.
Tests communication, ownership, and stakeholder management when translating technical complexity into actionable business understanding.
Tests prioritization under pressure, ownership, and stakeholder management when a deadline is fixed and the work is at risk.
Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.
Explain how to calculate cumulative totals in SQL using window functions, ordering, and optional pre-aggregation.
Networking question on TCP vs UDP trade-offs and protocol selection under latency, reliability, and packet-loss constraints.
Explain how to ensure data accuracy in SQL workflows using validation checks, reconciliation, and careful query design.
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Rank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.
WaymoUse ROW_NUMBER() to keep the earliest created_at 'Repl created' per entity and return out-of-order duplicates to delete.
Replit
QuantcastUse CTEs, joins, and monthly aggregation to measure cohort activity trends and classify engagement over time.