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Explain how you gather and define requirements for a complex data platform project.

System Design/Architectureeasy0.3 min readPremium
Frequency
Low
Asked at 1 company
Category
179
questions in System Design/Architecture
Difficulty Split
15E|6M|158H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
BCG
Interview Pro Tip

Pro-Move: 'We run discovery sprints before design—uncovered 3 undocumented sources that changed the architecture.'

Expert AnswerPremium
52 wordsInterview-ready
**Situation**: Complex platforms have multiple stakeholders, ambiguous scope. **Action**: (1) Stakeholder workshops—personas, use cases, success metrics; (2) Data discovery—sources, volume, quality, latency; (3) Gap analysis—current vs. desired; (4) Prioritization—MoSCoW or RICE; (5) PRD—scope, assumptions, acceptance criteria. **BCG Style**: Align with business strategy; quantify impact. Iterative refinement—prototype early, validate....
The complete answer continues with detailed implementation patterns, architectural trade-offs, and production-grade considerations. It covers performance optimization strategies, common pitfalls to avoid, and real-world examples from companies like BCG. The answer also includes follow-up discussion points that interviewers commonly explore.

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