The Silent Crash: When Traffic Drops But Your Alerts Don't Senior/Staff Engineer Asked at: FAANG, Stripe, Shopify, any high-traffic business Q: You deploy on Friday afternoon and traffic drops 30% with no error alerts. Your CEO is asking questions. What’s your investigation process? Why this matters...

Polymorphism: The Code That Bends Without Breaking (C# vs. Python) Mid/Senior Engineer Asked at: Microsoft, Google, Amazon, Meta Q: Can you explain polymorphism and compare how it's implemented in a statically-typed language like C# versus a dynamically-typed language like Python? Why this matters: ...