# backend-br/desafios

Aqui você encontrará uma coleção de desafios projetados para aprimorar suas habilidades de programação com foco em backend.

Repository: https://github.com/backend-br/desafios
Canonical: https://ross.abutalabs.com/products/desafios
License: MIT
License Family: permissive
Topics: backend-br, challenges, desafios, backend, challenge, desafio, knowledge, backend-challenges, backend-challenge, coding-challenge, open-source, hacktoberfest, brasil
Last push: 2026-08-12T17:43:28+00:00

## Health v2 (maintenance only)
Score: 76/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 97, release rhythm 35, longevity 100
- inputs: {"age_days": 3130, "days_push": 21, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2683, forks 203 (observed 2026-08-28T04:07:10.105460+00:00)

## What it is
A curated collection of backend programming challenges maintained by the BackEndBR community, covering topics like cryptography, authentication, URL shorteners, and GPS points of interest. It is a learning resource meant to help developers practice and improve backend skills, primarily in Portuguese.

## Use cases
- find backend coding challenges to practice
- improve backend development skills with exercises
- prepare for backend developer interviews
- contribute to open source during hacktoberfest
- practice implementing authentication and cryptography
- build a URL shortener as a learning project

## When to choose
- you want hands-on backend practice problems
- you are preparing for backend job interviews
- you want open-source contribution opportunities
- you prefer challenges documented in Portuguese

## When to avoid
- you need structured courses or tutorials with solutions
- you want an interactive judge or automated grading platform
- you need frontend or full-stack challenges

## Facets
- artifact type: learning-resource
- maturity: active
- function: developer-tools
- domain: backend, developer-tools, education, tutorials
- platform: cross-platform
- tags: backend-challenges, coding-challenges, practice-problems, hacktoberfest, brazilian-community, portuguese

## Member repositories
- backend-br/desafios (main) score 76

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:07:10.105460+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T02:17:52.545603+00:00, confidence not recorded.
  - readme: https://github.com/backend-br/desafios (fetched 2026-08-28T04:07:10.105460+00:00, sha ac794914fd3d)
- Data as of 2026-08-30T08:39:29.467469+00:00.