OOP in C#: Beyond the Textbook Definitions Mid Engineer Asked at: Microsoft, Amazon, Enterprise .NET Shops Q: Can you explain the main principles of Object-Oriented Programming and how you apply them in C#? Why this matters: This is not a quiz. It's a deep probe into how you think about building sof...
OAuth vs. OIDC: The Valet Key and the ID Card Mid/Senior Engineer Asked at: FAANG, Plaid, Stripe, any company with APIs Q: Can you explain the difference between Authorization and Authentication, and how OAuth and OpenID Connect (OIDC) relate to them? Why this matters: This is the fundamental questi...
How SAML Works: Untangling the Redirect Dance Mid/Senior Engineer Asked at: FAANG, Cloudflare, Okta, Enterprise SaaS Q: Can you walk me through a typical SP-initiated SAML authentication flow, step-by-step? Why this matters: This question tests your ability to explain a complex, asynchronous, multi-...
Don't Just Define SAML, Tell Its Story: The Diplomat's Handshake of the Internet Mid/Senior Engineer Asked at: FAANG, Unicorns, Startups Q: Can you explain SAML and how it enables Single Sign-On (SSO)? Why this matters: This isn't a trivia question about an acronym. It's a test of your understanding...
DevOps is a Peace Treaty. SRE is the Constitution. Senior Engineer Asked at: Google, Netflix, Meta, Stripe Q: "What's the difference between SRE and DevOps?" Why this matters: This is a litmus test for strategic thinking. They don't want a dictionary definition. They want to know if you understand t...