Reply Interview Questions
The questions to prepare for Reply interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Reverse a singly linked list in-place using iterative pointer manipulation.
ReplyFind 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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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.
ReplyDesign an LLM serving system that balances latency, cost, scalability, and safety for production traffic.
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