Reply Interview Questions
The questions to prepare for Reply interviews, across all roles. Questions from real interview reports rank first. Updated weekly.
Find the second highest salary in each department without using aggregate functions.
ReplyAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
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Benjamin MooreCompute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.
ADPImplement 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.
ReplyExplain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.
ReplyExplain how you would manage a project at risk due to a slipping dependency owned by another team.
ReplyInvestigate why a key KPI moved the wrong way after a product change and separate signal from noise.
ReplyA framework for deciding which features should ship first when building a new product.
ReplyIdentify major online experiment pitfalls and explain how they can bias results in a streaming product A/B test.
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