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# backend

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

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Building a Resilient Financial Engine: How I Fixed a Data Duplication Bug with Idempotent SQL

Building a Resilient Financial Engine: How I Fixed a Data Duplication Bug with Idempotent SQL

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2 min read
Routing & Controllers: Handling Dynamic Data in URLs

Routing & Controllers: Handling Dynamic Data in URLs

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1 min read
I Built an Authentication System With Express.js, MongoDB, (Access/Refresh Tokens, Sessions, Rate Limiting & More)

I Built an Authentication System With Express.js, MongoDB, (Access/Refresh Tokens, Sessions, Rate Limiting & More)

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1 min read
🚀 Hardening & Optimizing a .NET Flight Search & Sell Microservice

🚀 Hardening & Optimizing a .NET Flight Search & Sell Microservice

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4 min read
How to Build Idempotent APIs in Node.js (With Real Examples)

How to Build Idempotent APIs in Node.js (With Real Examples)

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5 min read
Concurrency patterns on Golang: Semaphore

Concurrency patterns on Golang: Semaphore

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3 min read
Docker does not exist: processes and reliability

Docker does not exist: processes and reliability

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4 min read
The Likes Table Problem: Why We Went Polymorphic.

The Likes Table Problem: Why We Went Polymorphic.

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3 min read
API Integration Patterns for Production Systems

API Integration Patterns for Production Systems

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2 min read
5 HTTP Edge Cases That Break APIs (And How to Fix Them)

5 HTTP Edge Cases That Break APIs (And How to Fix Them)

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3 min read
Stop Managing 10 Virtual Environments. Use a Workspace.

Stop Managing 10 Virtual Environments. Use a Workspace.

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4 min read
From 10-Minute Blocking APIs to Async Pipelines: A Production Backend Redesign

From 10-Minute Blocking APIs to Async Pipelines: A Production Backend Redesign

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4 min read
Scaling PostgreSQL without Microservices: Lessons from Notion’s 480 Shards

Scaling PostgreSQL without Microservices: Lessons from Notion’s 480 Shards

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3 min read
Modular Structure in CodeBehind

Modular Structure in CodeBehind

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3 min read
How We Designed a Production-Grade Communication Layer for an Investment Platform

How We Designed a Production-Grade Communication Layer for an Investment Platform

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4 min read
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