TCG Interview Questions
The questions to prepare for TCG interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Reverse a string in Python using character traversal and return the reversed result.
TCGUse a hash map to find two array elements that sum to a target in O(n) time.
TCGExplain how you used a KPI and supporting metrics to diagnose a product issue and make a concrete product decision.
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Explain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.
TCGExplain how you would diagnose and recover a project that is falling behind schedule without losing stakeholder trust.
TCGTests database fundamentals and your ability to choose appropriate storage models.
TCGTests your foundational understanding of databases and core terminology.
TCGCompute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.
Gain Digital
TCS
Zest AIMerge CRM orders with GA events via an identity map to build a customer-level view using joins, window functions, and monthly rollups.
ArtefactUse ROW_NUMBER() to keep the earliest created_at 'Repl created' per entity and return out-of-order duplicates to delete.
Replit
QuantcastTests analytical thinking and decision support for prioritization at TCG.
TCG