Behavioral: End-to-End Consumer Project (Software Engineer)

You are interviewing for a software engineering role focused on consumer-facing products. Describe the most impactful consumer-facing project you led end-to-end.

Cover the following clearly:

1. User problem and context: Who was affected and how did you identify/validate the problem?
2. Hypothesis: What outcome did you expect and why?
3. Your role: Scope of ownership, decisions, and leadership actions.
4. Constraints: Technical, regulatory, timeline, resources, data, or platform constraints.
5. Cross-functional partners: Who you collaborated with (e.g., PM, Design, DS, Infra, Legal, Support) and how.
6. Success metrics and baselines: Primary, secondary, and guardrail metrics with starting baselines.
7. Key trade-offs: Architecture, performance, privacy, UX, prioritization, or rollout trade-offs.
8. Launch and rollout strategy: Experiment design, ramp plan, monitoring, and contingency plans.
9. Measurable outcomes: Concrete results with numbers and timeframes.
10. Reflection: What you would do differently next time and why.