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@jazzband @pyquimt @scanapi @fintech-hub
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Hi there, I'm Leonardo! 👋

I'm a software developer by profession and as a hobby. For a few years studying and applying new software architectures, programming languages, leading agile teams, deploying in cloud environments to build solutions for the SaaS world.

I like building software for people mainly with Python, Django, FastAPI, Docker, Kubernetes, Postgres, message queues, modern APIs and modern frontends.

I manage my time between work, family of 2 children, sports and constant learning and sharing of knowledge, you can:

  • 🔖 Read what I write on Medium and
  • ✍️ See the projects that I participated in Github.
  • 📺 Watch my videos on Youtube.
  • 💌 Get in touch via LinkedIn, Twitter or email leogregianin at

✍️ My articles:

🌱 My Open Source Software:

Project Description Social
python package ibge Data collection of geographical divisions of Brazil by IBGE Stars
kubernetes workshop Encurtador de URL com Django, Django REST Framework, Docker e Kubernetes Stars
FinTech Hub FinTech Hub provides libraries and project templates for the finance technology ecosystem.
brcep Golang project for quickly accessing zip code information to ViaCEP, CEPAberto, and Correios Stars
python package python-digital-certificate Read digital certificate (pfx and p12 files) Stars
python package cidade_ibge_tom Informações da Cidade pelo IBGE ou TOM Stars
python package stock-exchange-holidays Worldwide Stock Exchange holidays (NYSE, CME, B3) Stars
python package siscomex-ncm API access to the NCM (Nomenclatura Comum do Mercosul) by Siscomex Stars
python package viacep-python Informações do CEP com o webservice do site viacep Stars

🌱 Contribute with Open Source Software:

Project Description Social
Python Wikipedia Bot Library and collection of scripts that automate work on MediaWiki sites. stars
Pychess A chess client for Linux/Windows Stars
ScanAPI Automated Integration Testing and Live Documentation for your API Stars
minha-receita Sua API web para consulta de informações do CNPJ da Receita Federal Stars
BancosBrasileiros Brazilian banks list Stars
python package PyNFe Interface com os webservices da Receita Federal Stars
status-nfe Status dos Webservices da Sefaz de todo o Brasil Stars
python package Faker Generates fake data for you Stars
python package gmail-wrapper Stars
python package workcalendar Worldwide holidays and workdays computational toolkit. Stars
python package validate-docbr Validação de documentos brasileiros Stars
python package gtin-validator Validates GTIN codes Stars
python package heimdall Validates data the main brazilian banks Stars
python package xmltodict Working with XML feel like you are working with JSON Stars
python package pynubank Nubank python API Stars
python package juno-python Juno python API Stars
django-requestlogs Django middleware and other helpers for audit logging Stars
django-cities Countries and cities of the world for Django projects Stars
django dr_scaffold Scaffold django rest apis like a champion Stars
golang package brdoc Brazilian docs validator for Go Stars
elixir package ofx A Elixir library for OFX format Stars
awesome-django-rest-framework tools, processes, and resources for Django REST Framework Stars
awesome-made-by-brazilians A collection of amazing open-source projects built by Brazilian developers Stars


  1. TadaSoftware/PyNFe TadaSoftware/PyNFe Public

    Projeto de biblioteca para fazer interface com o webservice de Nota Fiscal eletrônica para Python, disponível sob LGPL.

    Python 384 166

  2. ibge ibge Public

    🌎 Data collection of geographical divisions of Brazil by IBGE

    Python 32 10

  3. cuducos/minha-receita cuducos/minha-receita Public

    🏢 Sua API web para consulta de informações do CNPJ da Receita Federal

    Go 1.2k 124

  4. kubernetes-workshop kubernetes-workshop Public

    Encurtador de URL com Django, Django REST Framework, Docker e Kubernetes

    Python 3 1

  5. sparckles/Robyn sparckles/Robyn Public

    Robyn is a Super Fast Async Python Web Framework with a Rust runtime.

    Python 3.9k 193

  6. martinblech/xmltodict martinblech/xmltodict Public

    Python module that makes working with XML feel like you are working with JSON

    Python 5.4k 465