Describe handling conflict and a proud project
Company: DoorDash
Role: Software Engineer
Category: Behavioral & Leadership
Difficulty: medium
Interview Round: Take-home Project
Behavioral interview prompts:
1. Tell me about a time you had a conflict with a teammate (e.g., disagreement on design, priorities, or code quality). How did you handle it, and what was the outcome?
2. Tell me about a project you are proud of. What was your role, what trade-offs did you make, and how did you measure impact?
Answer in a structured way (e.g., Situation–Task–Action–Result) and include what you learned.
Quick Answer: Evaluates conflict-resolution, communication, accountability, trade-off analysis, and impact measurement in a Behavioral & Leadership category for a Software Engineer position, operating at a team- and project-level abstraction.
Solution
### How to structure strong answers (STAR)
For both prompts, keep a crisp narrative:
- **Situation**: 1–2 sentences of context (team, goal, constraints).
- **Task**: what you owned and what success meant.
- **Action**: the specific steps *you* took (communication, analysis, execution).
- **Result**: measurable outcome (latency ↓, incidents ↓, adoption ↑) + what you learned.
---
## 1) Conflict with a teammate
### What interviewers look for
- You can disagree without being disagreeable.
- You seek data, align on goals, and unblock delivery.
- You can escalate appropriately when needed.
### A solid outline
1. **Clarify the conflict**
- Restate the disagreement neutrally (e.g., “We differed on X approach due to Y constraint”).
2. **Align on shared goals**
- Reliability, timeline, customer impact, maintainability.
3. **Bring evidence**
- Quick prototype, benchmarks, past incidents, cost estimates, RFC/design doc.
4. **Create options and trade-offs**
- Option A vs B with pros/cons; propose a reversible choice when possible.
5. **Decide and commit**
- If consensus: document the decision.
- If not: propose a decision-maker (tech lead/manager) with a clear summary.
6. **Follow through and repair**
- After outcome, do a retro: what worked, what to improve.
### Example “Actions” that score well
- Wrote a 1–2 page design note and requested async comments.
- Ran a short meeting with agenda + decision deadline.
- Proposed an experiment with success metrics.
- Made a compromise: ship safe MVP now, schedule follow-up refactor.
### Common pitfalls to avoid
- Blaming or portraying the teammate as incompetent.
- Skipping the “Result” (no outcome or lesson).
- Escalating too early without trying alignment.
---
## 2) Proud project
### What interviewers look for
- Ownership and clarity of your impact.
- Technical depth + product sense.
- Ability to navigate trade-offs and deliver.
### A strong outline
1. **Problem & why it mattered**
- Who was impacted and how.
2. **Your role**
- Tech lead, primary implementer, cross-team coordinator, etc.
3. **Key decisions/trade-offs**
- Performance vs cost; consistency vs availability; build vs buy.
4. **Execution details**
- Architecture, milestones, risk mitigation, testing strategy.
5. **Impact metrics**
- Examples: P95 latency, infra cost, conversion rate, incident rate, oncall pages.
6. **Learning**
- What you’d do differently next time.
### Good impact measurement (examples)
- “Reduced notification send failures from 2% to 0.2% by adding retries + DLQ + idempotency.”
- “Cut build time by 35% and saved ~X engineer-hours/week.”
---
## Quick checklist before the interview
- Prepare 2 conflict stories: one technical disagreement, one prioritization/coordination.
- Prepare 2 proud projects: one deep technical, one cross-functional.
- Put numbers on results (even estimates) and be explicit about your personal contribution.