Boston Tech India Interview Questions
The questions to prepare for Boston Tech India interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Calculate each user's seven-day rolling average of daily events using PostgreSQL window functions.
Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
Count missing entries in a DataFrame column and recommend appropriate missing-value handling strategies.
Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.
Design a real-time event pipeline that can handle millions of events per second with sub-second latency.
Explain how to establish statistical significance in A/B tests using hypotheses, power, confidence intervals, and safeguards against false positives.
Investigate a sudden 15 percent decline in weekly active users for an enterprise analytics product and identify the root cause.
Design security controls for integrating AI services with legacy infrastructure, including access, data, model, and operational risks.
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