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Mert Özen's blog posts on software development, backend, frontend, and DevOps.

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.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12

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Backend PART 16

Layered Structure in ASP.NET Core Web API: The Service Layer and the Repository Debate

We slim down a fat controller and hand its work to IProductService. A reusable Expression projection, scoped registration, why a generic repository hurts on top of EF Core, and how interfaces help testing.

4 Nov 2026 10 min 2