Build clear spoken answers across fundamentals, coding, system design, production scenarios, and behavioral follow-ups. Start with our deepest paths today: .NET Backend and .NET Full Stack.
Interview question
TL;DR
Authentication answers who the caller is by validating credentials and producing a principal. In an ASP.NET Core API, a JWT bearer handler validates the token signature, issuer, audience, lifetime, and related scheme rules before claims are trusted.
Practice this drillBackend-focused .NET interview preparation.
A backend-focused .NET preparation path covering C#, ASP.NET Core APIs, data access, reliability, testing, and practical coding.
Full-cycle .NET full-stack interview preparation.
A role-based preparation path covering C#, ASP.NET Core APIs, data access, frontend integration, testing, deployment, system design, real-life scenarios, and behavioral interview topics.
Separates identity establishment from permission decisions and applies ASP.NET Core schemes, policies, tenant boundaries, ownership checks, and correct challenge or forbid behavior.
Explains EF Core tracking versus no-tracking queries with practical .NET data-access examples and production trade-offs.
Investigate a slow API by checking database queries, blocking async, dependency latency, serialization, logging, and runtime pressure.
From one developer to another
After more than 15 years of building software, months spent navigating technical interviews again, and dozens of interviews conducted from the other side of the table, I built Aporeon to make preparation clearer, practical, and easier to say out loud.
AleksandarDeveloper and creator of Aporeon
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