Testing & Quality Engineering

Choose between mocks, stubs, fakes, and real dependencies

Compares test doubles by purpose and explains when a real dependency provides a more trustworthy test.

Choose Testcontainers, SQLite, or EF Core InMemory

Chooses database test infrastructure by the provider behavior a test must prove.

Choose test coverage from change risk

Builds a proportionate test plan from blast radius, failure probability, detectability, and reversibility.

Choose the right test level for a change

Explains how unit, integration, contract, component, and end-to-end tests cover different failure boundaries.

Design a performance and load-test strategy

Designs realistic load, stress, spike, and soak tests from workload assumptions and SLOs while correlating client results with server bottlenecks.

Design tests for safe parallel execution

Uses unique namespaces and correctly scoped fixtures so parallel tests improve speed without creating collisions.

.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