GitHub Data Scientist Interview Questions
The questions to prepare for a GitHub Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
An operational A/B test shows uneven assignment; determine whether sample ratio mismatch invalidates the result and how to respond.
GitHubTests end-to-end experimentation rigor, including power, guardrails, and avoiding bias on GitHub.
GitHubExplain how RANK(), DENSE_RANK(), and ROW_NUMBER() differ when ordering tied clinical trial results.
GitHubFind the top 3 customers in each region by transaction volume using joins, aggregation, and window ranking.
JPMorganChase
Silicon Valley Bank
NaviUse a CTE and window ranking to find the top 3 routes with the highest average delay in each region.
Coca-Cola Consolidated
APL Logistics
FlexportUse a CTE, LEFT JOIN, and ROW_NUMBER to find each user's first Chime feature touch after signup.
Asana
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Investigate why a key KPI moved the wrong way after a product change and separate signal from noise.
GitHubDefine a North Star Metric for a product and explain how it guides KPI selection and growth decisions.
GitHubExplain how to choose an appropriate significance test based on metric type, study design, and the null hypothesis.
GitHubTests product analytics thinking for defining metrics, instrumentation, and adoption measurement on GitHub.
GitHubTests machine learning problem framing, feature design, and evaluation for subscription churn at GitHub.
GitHub