CGI Interview Questions
The questions to prepare for CGI interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Use GROUP BY and SUM to rank the top 10 customers by total revenue from a single sales table.
CGIAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
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Inc.
Benjamin MooreImplement an LRU cache in O(1) average time using a hash table and doubly linked list.
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Approach for maintaining data quality and integrity across ETL pipelines.
CGIExplain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.
CGIExplain a practical approach to fine-tuning an LLM for a specific task, including data, evaluation, and hallucination risks.
CGITests your ability to deliver a clear, relevant introduction tailored to the role at Aqr.
CGIExplain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.
CGIExplain how you used a KPI and supporting metrics to diagnose a product issue and make a concrete product decision.
CGI