Interview questions · Reddit
Prioritize competing engineering requests
This question evaluates a data scientist's prioritization, stakeholder management, trade-off communication, and leadership competencies when balancing competing analytics and experimentation requests.
Scenario
You are a Data Scientist/Analytics partner supporting multiple engineering teams. Two (or more) teams simultaneously ask you to prioritize their analytics/experimentation requests, and the requests conflict in timeline and scope.
Question
- How do you decide which request to prioritize?
- What information do you gather (from PM/Eng/Stakeholders) before committing?
- How do you communicate tradeoffs, timelines, and a final decision back to the teams?
- What do you do if a senior leader pressures you to override your prioritization?
Solution
What a strong answer demonstrates
- You prioritize by business impact, urgency, risk, and effort, not by who asks loudest.
- You create a transparent intake + prioritization framework and socialize it.
- You manage stakeholders proactively and de-risk delivery.
Step-by-step approach
1) Clarify each request (don’t accept vague asks)
For each team, quickly standardize:
- Goal: what decision will this analysis/experiment enable?
- Success metric: what metric moves, by how much, by when?
- Time sensitivity: hard deadlines (launch, exec review), or “nice to have”.
- Effort & dependencies: data availability, instrumentation needs, eng work, approvals.
- Risk: potential revenue/user harm, legal/privacy risk, correctness risk.
2) Use a scoring rubric (lightweight, repeatable)
Example rubric (score 1–5):
- Impact (revenue, retention, advertiser outcomes)
- Confidence/clarity (is the problem well-defined?)
- Urgency (launch gating vs exploratory)
- Effort (lower effort = higher score)
- Risk reduction (does it prevent major harm?)
You can turn this into a simple priority score like:
3) Offer options, not just “yes/no”
When two requests compete, propose:
- Option A: Do request 1 fully now; request 2 next sprint.
- Option B: Do a thin-slice for request 2 (minimum viable analysis) now + deeper follow-up.
- Option C: Parallelize by shifting work: ask for eng instrumentation first, while you analyze existing data.
4) Make tradeoffs explicit (and document)
Communicate:
- What you will deliver (scope)
- By when
- What you are not doing (de-scoped items)
- Risks/assumptions
A short written doc (1 pager) prevents re-litigation later.
5) Handle escalation / senior pressure
- Ask for the decision criteria: “If we override, which goal are we optimizing—revenue this quarter, launch readiness, or platform risk?”
- Provide the opportunity cost: “If we do X, Y slips by 2 weeks; expected impact is …”
- If leadership insists, align, execute, and record the decision + rationale.
Common pitfalls
- Agreeing before clarifying success metrics.
- Prioritizing by relationship rather than impact.
- Not de-risking via instrumentation checks and data quality.
- Not setting expectations on iteration vs one-shot perfection.
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