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# backend

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

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API success is a lie: why “200 OK” doesn’t mean anything

API success is a lie: why “200 OK” doesn’t mean anything

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3 min read
How We Built a Trust Registry in Go

How We Built a Trust Registry in Go

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5 min read
Top API Security Vulnerabilities in 2026 (Real-World Breakdown)

Top API Security Vulnerabilities in 2026 (Real-World Breakdown)

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2 min read
How I Set Up Nodemailer with Gmail OAuth2 in My Node.js Project

How I Set Up Nodemailer with Gmail OAuth2 in My Node.js Project

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4 min read
🚨 Redis Mistake That Broke My Production System (Eviction Policy Lesson)

🚨 Redis Mistake That Broke My Production System (Eviction Policy Lesson)

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1 min read
How WhatsApp Handles 1:1 Messaging at Scale (System Design Explained)

How WhatsApp Handles 1:1 Messaging at Scale (System Design Explained)

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2 min read
Rate Limiting Deep Dive: Token Bucket vs Leaky Bucket vs Sliding Window

Rate Limiting Deep Dive: Token Bucket vs Leaky Bucket vs Sliding Window

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5 min read
Designing Cross-Lifecycle Intelligence: The Role of a System Architect in AI Products

Designing Cross-Lifecycle Intelligence: The Role of a System Architect in AI Products

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4 min read
Backend Engineering — Building the Intelligence Engine for Cross-Lifecycle Systems

Backend Engineering — Building the Intelligence Engine for Cross-Lifecycle Systems

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4 min read
Semantic Search Is an Architecture Problem

Semantic Search Is an Architecture Problem

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10 min read
Financial Systems as Composed State Machines: Correctness, Authority, and System Integrity

Financial Systems as Composed State Machines: Correctness, Authority, and System Integrity

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4 min read
Python’s Silent Production Killer: Why "Pass-by-Reference" is a Lie

Python’s Silent Production Killer: Why "Pass-by-Reference" is a Lie

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5 min read
In the AI age, Java is more relevant than ever

In the AI age, Java is more relevant than ever

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4 min read
Building a Robust Real-Time Transcription Pipeline in Next.js: STT, Streaming, and Error Recovery

Building a Robust Real-Time Transcription Pipeline in Next.js: STT, Streaming, and Error Recovery

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3 min read
The Evolution of Backend and DevOps: A 25-Year Prediction Timeline

The Evolution of Backend and DevOps: A 25-Year Prediction Timeline

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3 min read
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