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

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56/60 Days System Design Questions

56/60 Days System Design Questions

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2 min read
The Difference Between Retry and Idempotency They're Not the Same

The Difference Between Retry and Idempotency They're Not the Same

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3 min read
Failure Engineering Explained by Uncle to Nephew — Episode 5: Recovery — How Systems Heal Themselves

Failure Engineering Explained by Uncle to Nephew — Episode 5: Recovery — How Systems Heal Themselves

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5 min read
Building LIA (Part 1 Implementation): Clean Architecture and Argon2id in a Real Fastify + Prisma Registration Flow

Building LIA (Part 1 Implementation): Clean Architecture and Argon2id in a Real Fastify + Prisma Registration Flow

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5 min read
Why Java Is Still Important and Relevant in 2026

Why Java Is Still Important and Relevant in 2026

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7 min read
Adding a Live Generate Button: Why Synchronous Beat a Job Queue

Adding a Live Generate Button: Why Synchronous Beat a Job Queue

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2 min read
Unhappy Path Changed My Backend Perspective...

Unhappy Path Changed My Backend Perspective...

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1 min read
The Architecture Spiral: RPC, SQL, and the Myth of Linear Evolution

The Architecture Spiral: RPC, SQL, and the Myth of Linear Evolution

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4 min read
Price Manipulation via Product ID Mismatch in Checkout API (IDOR)

Price Manipulation via Product ID Mismatch in Checkout API (IDOR)

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3 min read
We hit an at-least-once delivery trap. Here is how we fixed the race conditions.

We hit an at-least-once delivery trap. Here is how we fixed the race conditions.

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2 min read
Why Every Developer Should Understand HTTP (Even If You Don't Build APIs)

Why Every Developer Should Understand HTTP (Even If You Don't Build APIs)

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3 min read
RAG Is Not a Feature. It's a System, and These Are the Parts Nobody Demos.

RAG Is Not a Feature. It's a System, and These Are the Parts Nobody Demos.

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3 min read
Scale Real-Time APIs: Redis Pub/Sub in Laravel

Scale Real-Time APIs: Redis Pub/Sub in Laravel

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3 min read
I Broke My SPA Fallback by Renaming a FastAPI Parameter to Satisfy a Linter

I Broke My SPA Fallback by Renaming a FastAPI Parameter to Satisfy a Linter

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2 min read
Profiling a Go Service in Production: pprof in 10 Minutes

Profiling a Go Service in Production: pprof in 10 Minutes

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6 min read
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