Design a data platform enablement

Q: Design a data platform enablement

This is a Data Manipulation (SQL/Python) interview question from EY for Data Scientist roles. View the full question and solution on PracHub.

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Question

Design a pragmatic data‑platform enablement for a mid‑tier retail bank migrating to cloud under PII and data‑residency constraints. Describe the target architecture (ingestion, storage, governance, transformation, consumption), data contracts, lineage, and access patterns. Specify SLAs/SLOs, partitioning strategy, backfill/late‑arrival handling, cost guardrails, and a 3‑wave rollout plan with success metrics. Include the one thing you would deliberately postpone and why.

Design a data platform enablement

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