Cohere Technology Data Scientist Interview Questions
The questions to prepare for a Cohere Technology Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.
Cohere TechnologyAggregate customer sales volume and return Pyramid Consulting's top 10 customers in descending order.
Pyramid Consulting
BNY
Cambia Health SolutionsUse CTEs, joins, and monthly aggregation to measure cohort activity trends and classify engagement over time.
Diagnose a post-release KPI drop by separating instrumentation issues from real behavior changes and tracing the problem through the metric hierarchy.
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Determine sample size and power for a customer survey or experiment, including MDE, guardrails, and a disciplined decision rule.
Cohere TechnologyExplain which classification metrics to use and how metric choice depends on the business objective and error tradeoffs.
Cohere TechnologyDesign a production ML deployment on Google Cloud with serving, feature management, rollout, monitoring, and evaluation.
Cohere TechnologyApproach for safely backfilling missing data while preserving correctness, idempotency, and data quality.
Cohere TechnologyDefine a success metric for a new feature that captures real user value, not just raw usage.
Cohere TechnologyExplain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.
Cohere Technology