Testing

Accessibility basics for forms and components

Explains labels, keyboard behavior, focus, semantic HTML, errors, color contrast, and accessible custom controls.

Add a regression test after a role-specific incident

Turns a production-only role and payload failure into the smallest durable API regression test.

Apply a partitioned write rate limit

Partitions limits by authenticated user or trusted client address and returns useful 429 retry metadata.

Authorize a loaded resource by ownership

Loads a resource once, evaluates owner-or-capability authorization, and avoids trusting route ownership claims.

Build an accessible profile form

Implements labeled fields, client validation, error summaries, focus recovery, and pending submission state.

Build a non-destructive post-deploy API smoke check

Checks health, authentication, and one critical read flow after deployment without creating persistent business data.

.NET Full Stack

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.

.NET Backend