Walk through end‑to‑end delivery

Q: Walk through end‑to‑end delivery

This is a Behavioral & Leadership interview question from EY for Data Scientist roles. View the full question and solution on PracHub.

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Question

Walk Through a Program You Led Across the Full Lifecycle (Data Science)

Provide a concrete example of one program you personally led or owned end-to-end. Cover the following phases:

Strategy
Execution Planning
Requirements
Design
Development
Testing
Rollout

For each phase, include:

Artifact you authored (e.g., problem framing doc, RAID log, data contract, sequence diagram, test plan).
The single riskiest assumption and how you de-risked it.
The metric you used to measure phase exit (clear, verifiable gate).
A concrete example of how you handled a slipped dependency on the critical path.

Keep your narrative specific, using brief bullets per phase. If bound by NDA, anonymize details while keeping the structure intact.

Walk through end‑to‑end delivery

Walk Through a Program You Led Across the Full Lifecycle (Data Science)

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