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45-Minute Rapid Product Design Exercise
Product Design Exercise: End-to-End System
Design an end-to-end system (it does not need to be travel-related) within 45 minutes. Your deliverable should clearly articulate your thought process and design choices across the following sections:
1. Problem Statement and Target Users
- Start by asking clarifying questions to define the problem space.
- Explicitly state any assumptions you make regarding the problem, users, or constraints.
2. Core User Journeys and MVP Feature Set
- Identify the primary workflows and user interactions with the system.
- Define the smallest viable feature set (Minimum Viable Product) necessary to validate the riskiest assumptions about your solution.
3. Screen Flow and Low-Fidelity Wireframe
- Provide a simple screen map illustrating the navigation flow between key screens.
- Sketch rough, low-fidelity wireframes or use text/ASCII to outline the layout and key elements of the most important screens.
4. Success Metrics and Key Trade-offs
- Define a North Star metric that represents the primary measure of success for your product, along with supporting metrics.
- Call out the most important trade-offs you considered and made during the design process, justifying your choices.
5. High-Level Technical Considerations for Initial Launch
- Outline the proposed high-level architecture, including major components and their interactions.
- Discuss data storage strategies, potential integrations with external systems, and any significant technical constraints or risks identified for the initial launch.
Hints for Success:
- Timebox each section (e.g., 5–10 minutes each) to ensure comprehensive coverage.
- Prioritize addressing the riskiest assumptions early in your design.
- Explicitly state assumptions if requirements or details are ambiguous.
Suggested Clarifying Questions to Consider:
- Who are the primary users, and what specific problem are we solving for them now versus in future iterations?
- What platforms (e.g., web, iOS/Android) and geographies are in scope for the MVP?
- What business model and constraints (e.g., privacy, compliance, integrations, budget) apply to this system?
- What is the desired North Star metric, and are there any guardrail metrics or non-functional requirements?
- Are there any existing systems or third-party integrations that should be considered or leveraged?
AI interview prep
Core dilemma
The central engineering conflict is balancing the need for rapid, opinionated product design under extreme time constraints with the requirement to lay a technically sound, scalable, and cost-effective foundation for an undefined system. It's about making informed architectural decisions with incomplete information, prioritizing technical risks, and justifying trade-offs from both product and engineering perspectives.
Mid-level signals4
Senior signals5
Red flags5
3 tradeoffs and 3 stress tests locked
Interview prep
Unlock the interviewer X-Ray rubric, tradeoff matrix, stress tests, clarifying questions, and key concepts.
45-Minute Rapid Product Design Exercise
Product Design Exercise: End-to-End System
Design an end-to-end system (it does not need to be travel-related) within 45 minutes. Your deliverable should clearly articulate your thought process and design choices across the following sections:
1. Problem Statement and Target Users
- Start by asking clarifying questions to define the problem space.
- Explicitly state any assumptions you make regarding the problem, users, or constraints.
2. Core User Journeys and MVP Feature Set
- Identify the primary workflows and user interactions with the system.
- Define the smallest viable feature set (Minimum Viable Product) necessary to validate the riskiest assumptions about your solution.
3. Screen Flow and Low-Fidelity Wireframe
- Provide a simple screen map illustrating the navigation flow between key screens.
- Sketch rough, low-fidelity wireframes or use text/ASCII to outline the layout and key elements of the most important screens.
4. Success Metrics and Key Trade-offs
- Define a North Star metric that represents the primary measure of success for your product, along with supporting metrics.
- Call out the most important trade-offs you considered and made during the design process, justifying your choices.
5. High-Level Technical Considerations for Initial Launch
- Outline the proposed high-level architecture, including major components and their interactions.
- Discuss data storage strategies, potential integrations with external systems, and any significant technical constraints or risks identified for the initial launch.
Hints for Success:
- Timebox each section (e.g., 5–10 minutes each) to ensure comprehensive coverage.
- Prioritize addressing the riskiest assumptions early in your design.
- Explicitly state assumptions if requirements or details are ambiguous.
Suggested Clarifying Questions to Consider:
- Who are the primary users, and what specific problem are we solving for them now versus in future iterations?
- What platforms (e.g., web, iOS/Android) and geographies are in scope for the MVP?
- What business model and constraints (e.g., privacy, compliance, integrations, budget) apply to this system?
- What is the desired North Star metric, and are there any guardrail metrics or non-functional requirements?
- Are there any existing systems or third-party integrations that should be considered or leveraged?