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Analytics Architecture and Reporting Questions

Designing and operating end to end analytics and reporting platforms that translate business requirements into reliable and actionable insights. This includes defining metrics and key performance indicators for different audiences, instrumentation and event design for accurate measurement, data ingestion and transformation pipelines, and data warehouse and storage architecture choices. Candidates should be able to discuss data modeling for analytics including semantic layers and data marts, approaches to ensure metric consistency across tools such as a single source of truth or metric registry, and trade offs between query performance and freshness including batch versus streaming approaches. The topic also covers dashboard architecture and visualization best practices, precomputation and aggregation strategies for performance, self service analytics enablement and adoption, support for ad hoc analysis and real time reporting, plus access controls, data governance, monitoring, data quality controls, and operational practices for scaling, maintainability, and incident detection and resolution. Interviewers will probe end to end implementations, how monitoring and quality controls were applied, and how stakeholder needs were balanced with platform constraints.

EasyTechnical
69 practiced
Compare and contrast 'extracts' (cached/pulled data) and 'live connections' from BI tools (Tableau/Power BI/Looker) to a data warehouse. Describe trade-offs in freshness, concurrency, cost, maintainability, and the types of dashboards or audiences for which you'd recommend each mode.
MediumBehavioral
69 practiced
Tell me about a time you resolved a disagreement between stakeholders (e.g., Product vs Finance) about a KPI definition. If you don't have a past example, describe step-by-step how you'd approach the conflict: discovery, evidence collection, mediation, decision, and follow-up. Use the STAR format if possible.
HardTechnical
59 practiced
A Kafka connector to your warehouse dropped messages during a connector upgrade and 10% of events in the last 24 hours were lost. Describe the incident response: how you detect and confirm data loss, stop further damage, design and run a backfill, verify correctness, and implement measures to prevent recurrence.
MediumTechnical
98 practiced
How would you implement automated data lineage across ETL jobs, dbt models, and BI dashboards so analysts can trace a dashboard number back to row-level sources? Describe components, metadata you would capture, and how you'd keep lineage up to date.
HardSystem Design
54 practiced
Design a metric registry service (metrics-as-code) that stores metric definitions, versions, owners, canonical SQL, tests, and lineage. Describe the API endpoints, storage schema, CI/CD workflow for metric changes, and how BI tools would integrate to consume the canonical definitions.

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