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Backend & APIs

Every article filed under Backend & APIs.

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11 September 2026·4 min read

Spring Boot Pagination and Sorting, and the Page You Should Not Return

Pageable and Page in two lines — then the runtime warning Spring Data logs about returning Page from a controller, and the COUNT query every page costs.

Backend & APIs
10 September 2026·8 min read

How to Secure a Spring Boot API with JWT (Without Writing a Filter)

Spring Security already parses and validates JWTs. Here is the whole setup — two beans and one line of DSL — plus what a short example quietly defers.

Backend & APIs
10 September 2026·8 min read

How to Build a REST API in Spring Boot, Including the Failures

Build a working Spring Boot REST API — GET, POST, 201 with Location — then see what your callers actually get back when the request is wrong, and fix it.

Backend & APIs
10 September 2026·9 min read

How to Create a Spring Boot Project (and What the Generator Actually Gives You)

Create a Spring Boot project with Spring Initializr, then read every one of the ten files it writes — and find out what the 19 MB jar you build actually holds.

Backend & APIs
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