Skip to content
alex@blog:~$ whoami
Alexandre Manhães Savio

Freelance Software, Cloud & AI Engineer

  • Home
  • Writing
  • About
  • Work with me

More posts

  • March 21, 2026

    First Principles: Software Design

    Strip away the design patterns, the SOLID principles, and the architecture astronautics. What’s actually true about software design when you reason from fundamentals? Five irreducible truths, three reconstruction...

    Engineering first-principles software-design architecture complexity
  • March 19, 2026

    First Principles: Software Observability

    Everyone knows observability means logs, metrics, and traces. But what if you strip away the vendor marketing, the inherited conventions, and the cargo-culted dashboards? What’s actually true? A first-principles...

    Engineering first-principles observability monitoring logging
  • January 18, 2026

    Taming Your Dev Chaos with direnv, .env, and .envrc (Plus a Sneak Peek at mise-en-place)

    Stop manually juggling env vars like a clown — learn how direnv auto-magically handles your dev environments with .env and .envrc files. Includes a sick custom layout uv function for Python projects and a teaser on...

    Tools direnv environment shell uv
  • June 11, 2020

    Git usage guidelines for team collaboration

    Suggestions on how to use a code repository with git for teams.

    Tools git workflow collaboration
  • December 30, 2017

    Remove big files from a git repository

    Remove large blobs from your git repository history

    Tools git bfg cleanup history-rewrite
  • May 14, 2015

    Access Google Spreadsheets using gspread and OAuth2Client

    How to access Google spreadsheets using the Python module gspread and the OAuth2Client authorization system.

    Python python google-sheets gspread oauth
  • November 11, 2014

    Install Bokeh from sources

    A short guide to install Bokeh from sources in a virtualenv on Ubuntu 14.04

    Python python bokeh visualisation
  • July 06, 2014

    How to use Byobu

    A short manual for Byobu and a list of its advantages.

    Tools byobu terminal tmux ssh
  • June 03, 2014

    How to set up different versions of GCC

    How to set up different versions of GCC

    Tools gcc ubuntu compiler linux
  • April 26, 2014

    Installing common Python data analysis tools in virtualenv

    Installing Python data analysis tools

    Python python virtualenv numpy scipy
< newer posts [ page 2 / 3 ] older posts >
Available for freelance engagements. Accepting new engagements for Q2 2026. alexsavio@gmail.com
  • GitHub
  • LinkedIn
  • ORCID
  • RSS

© Alexandre Manhães Savio. Built with Pelican.

Posts are drafted and edited with AI assistance, then reviewed by the author before publishing.