Solution Architect — Platform Design Interview

What this session covers

• NFRs
• Integration
• Consistency
• Migration
• Stakeholders

Questions you'll face

1. 1. Design a booking platform for a European operator: 5,000 bookings an hour at peak, strict availability of inventory, and integrations with three legacy systems. Start with how you'd frame the problem.

   ~4 min

   Opens a system-design conversation and tests requirement framing.

2. 2. How do you handle the integration with the legacy systems that cannot scale with you?

   ~3 min

   Tests integration patterns: anti-corruption layers, queues, backpressure.

3. 3. Your preferred design costs 40% more to run than the alternative. How do you present that decision to a CFO and a delivery lead?

   ~3 min

   Assesses stakeholder translation.

4. 4. Which of your architectural decisions in the last two years aged badly, and what did you learn?

   ~3 min

   Signals reflective seniority.

How the time is spent

1. 1

   Warm-up & context · 6 min

   Interviewer intro, your background, how the session runs.

2. 2

   Core questions · 33 min

   Role-specific questions with live follow-ups based on your answers.

3. 3

   Deep dive · 11 min

   One topic explored to the edge of your experience.

4. 4

   Your questions & wrap · 6 min

   Close the loop and hand over to feedback generation.