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# backend

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

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I realized I enjoy debugging real systems more than building features

I realized I enjoy debugging real systems more than building features

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1 min read
🚫My Spring Boot API Accepted Invalid Data…. Until I Learned Input Validation

🚫My Spring Boot API Accepted Invalid Data…. Until I Learned Input Validation

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2 min read
Serverless and Edge Are Eating the Backend in 2025

Serverless and Edge Are Eating the Backend in 2025

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4 min read
Why I built ElysianDB

Why I built ElysianDB

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3 min read
🔄I Thought PUT and PATCH Were the Same… I Was Wrong

🔄I Thought PUT and PATCH Were the Same… I Was Wrong

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2 min read
𝐖𝐡𝐲 𝐒𝐮𝐩𝐚𝐛𝐚𝐬𝐞’𝐬 𝐑𝐨𝐰-𝐋𝐞𝐯𝐞𝐥 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 (𝐑𝐋𝐒) 𝐚𝐧𝐝 𝐁𝐮𝐢𝐥𝐭-𝐢𝐧 𝐀𝐮𝐭𝐡𝐞𝐧𝐭𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐀𝐫𝐞 𝐚 𝐆𝐚𝐦𝐞 𝐂𝐡𝐚𝐧𝐠𝐞𝐫.

𝐖𝐡𝐲 𝐒𝐮𝐩𝐚𝐛𝐚𝐬𝐞’𝐬 𝐑𝐨𝐰-𝐋𝐞𝐯𝐞𝐥 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 (𝐑𝐋𝐒) 𝐚𝐧𝐝 𝐁𝐮𝐢𝐥𝐭-𝐢𝐧 𝐀𝐮𝐭𝐡𝐞𝐧𝐭𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐀𝐫𝐞 𝐚 𝐆𝐚𝐦𝐞 𝐂𝐡𝐚𝐧𝐠𝐞𝐫.

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1 min read
Why is offset pagination slow

Why is offset pagination slow

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2 min read
Your Legacy PHP Codebase Isn't Hopeless

Your Legacy PHP Codebase Isn't Hopeless

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2 min read
Payment Gateway vs. Payment Processor: Was ist der Unterschied?

Payment Gateway vs. Payment Processor: Was ist der Unterschied?

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5 min read
The new Supabase power for Kiro

The new Supabase power for Kiro

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3 min read
easy-query vs querydsl

easy-query vs querydsl

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5 min read
Payment Gateway vs Payment Processor: What's the Difference?

Payment Gateway vs Payment Processor: What's the Difference?

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5 min read
I Replaced My Side Project Backend with AI — Here’s What Broke First

I Replaced My Side Project Backend with AI — Here’s What Broke First

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2 min read
The Architect’s Dilemma: Finding the “Middle Way” Between Lean Lists and Rich Truths

The Architect’s Dilemma: Finding the “Middle Way” Between Lean Lists and Rich Truths

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4 min read
PostgreSQL Primary Keys-Why Your UUID Choice Matters

PostgreSQL Primary Keys-Why Your UUID Choice Matters

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3 min read
Part 4: Routes - Ktor Native Worker Tutorial

Part 4: Routes - Ktor Native Worker Tutorial

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4 min read
A Structured Backend Architecture for Long-Lived Systems

A Structured Backend Architecture for Long-Lived Systems

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5 min read
The Revolutionary Node.js

The Revolutionary Node.js

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Build Complete REST APIs in Minutes

Build Complete REST APIs in Minutes

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4 min read
Part 3: AMQP Setup and Calls - Ktor Native Worker Tutorial

Part 3: AMQP Setup and Calls - Ktor Native Worker Tutorial

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4 min read
Part 5: Wire Everything with Koin - Ktor Native Worker Tutorial

Part 5: Wire Everything with Koin - Ktor Native Worker Tutorial

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4 min read
The Classic Bug: Command Injection in OpenCode's Server Mode

The Classic Bug: Command Injection in OpenCode's Server Mode

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5 min read
🌍 I Stopped Using RestTemplate… Spring Boot RestClient Is Cleaner

🌍 I Stopped Using RestTemplate… Spring Boot RestClient Is Cleaner

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Fluent Conditional Validation for PHP

Fluent Conditional Validation for PHP

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2 min read
I Kept Seeing These Spring Boot Errors — Until I Learned This

I Kept Seeing These Spring Boot Errors — Until I Learned This

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2 min read
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