This is where you showcase your senior-level engineering depth. Anticipate the bottlenecks of the specific system you are building.
Step 2: Propose High-Level Design and Get Buy-In (10–15 Minutes)
Experts like those at System Design One suggest a 5-step approach for these interviews: Define the scope and scale.
Senior engineers are judged on their ability to weigh options. Xu doesn't just present a single "perfect" architecture. He teaches you how to evaluate options: databases Horizontal vs. Vertical scaling Strong consistency vs. Eventual consistency Production-Grade Deep Dives