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Desenvolvimento do lado do servidor, APIs, bancos de dados e logica de negocios.

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Why Your Production API Needs Idempotency Keys (And How to Build an Engine in Node.js & Redis)

Why Your Production API Needs Idempotency Keys (And How to Build an Engine in Node.js & Redis)

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3 min read
Spring Security Beyond the Login Form: Data Isolation and the 401/403 Contract

Spring Security Beyond the Login Form: Data Isolation and the 401/403 Contract

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17 min read
EasyJPA: Type-Safe Dynamic Queries in Three Lines, Not Thirty

EasyJPA: Type-Safe Dynamic Queries in Three Lines, Not Thirty

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8 min read
Why REST Scales, and the Three Ways It Bites Back

Why REST Scales, and the Three Ways It Bites Back

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9 min read
Rate Limiting: The Traffic Cop Your API Needs

Rate Limiting: The Traffic Cop Your API Needs

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2 min read
How to Actually Prepare for a Backend Developer Interview in 2026

How to Actually Prepare for a Backend Developer Interview in 2026

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3 min read
Why Your Node.js App Crashes Under Traffic: The Magic of Connection Pooling

Why Your Node.js App Crashes Under Traffic: The Magic of Connection Pooling

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3 min read
I Built a Spring Boot Starter to Handle Duplicate API Requests

I Built a Spring Boot Starter to Handle Duplicate API Requests

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3 min read
I Rate-Limited an API by Hand. Then I Configured One in a Form Field.

I Rate-Limited an API by Hand. Then I Configured One in a Form Field.

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7 min read
Search Google from Java in 15 Lines (No SDK, No Pain) — A SerpApi Quickstart

Search Google from Java in 15 Lines (No SDK, No Pain) — A SerpApi Quickstart

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3 min read
Your API Is a Promise, Not a Set of Endpoints

Your API Is a Promise, Not a Set of Endpoints

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8 min read
Cronsmith: Stop hand-writing cron: build and parse it in Java

Cronsmith: Stop hand-writing cron: build and parse it in Java

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4 min read
AI Didn’t Build My Backend for Me. I Used It as My Copilot.

AI Didn’t Build My Backend for Me. I Used It as My Copilot.

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7 min read
The Concurrency Bug That Only Appears Under Load: A Django Race Condition Story

The Concurrency Bug That Only Appears Under Load: A Django Race Condition Story

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9 min read
Under the Hood of Python Logging: The 4 Core Building Blocks (Part 3)

Under the Hood of Python Logging: The 4 Core Building Blocks (Part 3)

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4 min read
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