DEV Community

# backend

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

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
Why I Cache External API Data Instead of Calling It Every Time

Why I Cache External API Data Instead of Calling It Every Time

Comments
2 min read
Golang Concurrency: From "Hello World" to Worker Pools

Golang Concurrency: From "Hello World" to Worker Pools

1
Comments
3 min read
5 Java Courses That Help You Build Portfolio-Worthy Projects

5 Java Courses That Help You Build Portfolio-Worthy Projects

2
Comments
6 min read
How to Change a Column Datatype Without Affecting Existing Users Postgresql

How to Change a Column Datatype Without Affecting Existing Users Postgresql

Comments
3 min read
Medical Service API - v1.0

Medical Service API - v1.0

Comments
5 min read
The Six Patterns That Cover Everything

The Six Patterns That Cover Everything

1
Comments
5 min read
`allOf` vs `oneOf` vs `anyOf` in OpenAPI (with examples)

`allOf` vs `oneOf` vs `anyOf` in OpenAPI (with examples)

Comments
2 min read
Write Basic MongoDB Queries: Your First MongoDB Lab for Data Sorting and Limiting

Write Basic MongoDB Queries: Your First MongoDB Lab for Data Sorting and Limiting

1
Comments
2 min read
GO-SQLite@v0.2.0: SQLite client with chained method calls

GO-SQLite@v0.2.0: SQLite client with chained method calls

5
Comments
1 min read
Saga Engine Go: Type-Safe Distributed Transactions with Zero Infrastructure

Saga Engine Go: Type-Safe Distributed Transactions with Zero Infrastructure

Comments
4 min read
Graph RAG: Why Vector Search Alone Is Not Enough for Serious Backend Systems

Graph RAG: Why Vector Search Alone Is Not Enough for Serious Backend Systems

Comments
2 min read
I realized I enjoy debugging real systems more than building features

I realized I enjoy debugging real systems more than building features

Comments
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

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

Serverless and Edge Are Eating the Backend in 2025

1
Comments
4 min read
How I Built a Claude Router with Structured Concurrency and Virtual Threads

How I Built a Claude Router with Structured Concurrency and Virtual Threads

1
Comments
6 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.