Columbia University Software Engineer Interview Questions
The questions to prepare for a Columbia University Software Engineer interview. Questions from real interview reports rank first. Updated weekly.
Explain technical trade-offs to non-technical stakeholders in a way that drives alignment and decision-making.
Columbia UniversityDescribe how you communicated a technical constraint to a non-technical stakeholder while preserving trust and aligning on trade-offs.
Columbia UniversityHandle a project where two critical departments want different outcomes and both are essential to delivery.
Columbia UniversityExplain how you diagnosed and optimized a slow PostgreSQL query using execution plans, indexing, and query rewrites.
Columbia UniversityTests ability to write correct SQL for aggregation and data retrieval.
Columbia UniversityRank Columbia University departments by average semester enrollment using aggregation, joins, a CTE, and RANK().
Columbia UniversityCalculate each user's running order total over time using a window function.
Inspire11
Western Digital
FactualCompute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.
Gain Digital
TCS
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Tests core web architecture understanding and data flow across layers.
Columbia UniversityTests structured debugging methodology and communication of technical reasoning.
Columbia UniversityAssesses understanding of core security and infrastructure concepts used in enterprise environments.
Columbia University