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

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Why a Single ALTER TABLE Can Take Down Your Whole Database

Why a Single ALTER TABLE Can Take Down Your Whole Database

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5 min read
Building with FastAPI: A Production Journey (Real Code, Real Lessons)

Building with FastAPI: A Production Journey (Real Code, Real Lessons)

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10 min read
Stop Storing Money in float64

Stop Storing Money in float64

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7 min read
I hit these issues integrating Qikink into PinnacleWear

I hit these issues integrating Qikink into PinnacleWear

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2 min read
Boosting Microservices with Redis Caching Strategies

Boosting Microservices with Redis Caching Strategies

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2 min read
Why Java Still Matters Today (Even in the Age of New Languages)

Why Java Still Matters Today (Even in the Age of New Languages)

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4 min read
Day 35/60 System Design Questions

Day 35/60 System Design Questions

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2 min read
A Weekly Cron Died Silently for 10 Weeks. Here Is What We Changed.

A Weekly Cron Died Silently for 10 Weeks. Here Is What We Changed.

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5 min read
Mapping CIF's Severity Taxonomy Against Real Apache Fineract Defects

Mapping CIF's Severity Taxonomy Against Real Apache Fineract Defects

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5 min read
The same bug, fixed three times: all my guards lived on the write side

The same bug, fixed three times: all my guards lived on the write side

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6 min read
PASETO: Safer Tokens

PASETO: Safer Tokens

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9 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
Chega de "Lista de Tarefas": Como criei uma automação para receber emails sobre tecnologia

Chega de "Lista de Tarefas": Como criei uma automação para receber emails sobre tecnologia

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3 min read
What Your NestJS Backend Should Notice Before a Human Ever Does

What Your NestJS Backend Should Notice Before a Human Ever Does

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5 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
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