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Notes from the backend.

Practical guides on Spring Boot, Java, security and AI, written from real projects. No fluff, just code that works.

Spring Security Sep 30, 2026 8 min read

Spring Boot JWT Authentication with Email OTP Verification

Build sign up, email verification and stateless login for a Spring Boot REST API, step by step, with Spring Security 6 and jjwt.

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Spring AI Sep 30, 2026 6 min read

Add AI features to a Spring Boot app without paying per token: run a model locally with Ollama and call it through Spring AI.

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