Escritos técnicos,
desde el trabajo real.

Idempotency Keys in Spring Boot: The Header That Turns a Retry Into a No-Op

backend-development, api-design, java, spring-boot

JWT vs Session Tokens in Spring Boot: A Senior Dev’s Decision Guide

security, software-engineering, backend-development, java

The 5 Spring Boot Security Misconfigurations We Found in a Real Penetration Test (and How to Fix…

Java 21 Virtual Threads vs Node.js: Benchmarks, Architecture & Real-World Lessons

backend-development, software-engineering, performance, java

Flutter State Management in 2026: Why I Stopped Using BLoC for Most Projects

dart, mobile-development, software-engineering, flutter

REST vs GraphQL vs gRPC: When to Use What in 2026

web-development, microservices, api, software-engineering

Microservices API Design: The 5 Contracts I Wish I’d Written on Day One

microservices, software-engineering, backend-development, programming

Flutter vs React Native in 2026: I Built the Same App in Both

react-native, software-engineering, mobile-development, programming

JWT vs Session Tokens in Spring Boot: Broke Both in Production (and Fixed Them)

programming, security, java, spring-boot

The AI Coding Agent Workflow That Actually Works After 1,000 Hours

productivity, software-engineering, programming, artificial-intelligence