renan donato

Hi, I’m Renan, a software engineer in Brazil.

Most of my writing is in Portuguese; posts with an English version show up here. The garden is my open notebook: study notes and half-formed ideas, in Portuguese, that I revisit over time.

writing

mar 2025Installing the TP-Link AC600 driver on Arch Linux2 min
may 2024Understanding and validating AWS Cognito JWT tokens in Go3 min
dec 2023Quick tip: find and replace across files in Neovim1 min
oct 20231 dollar side project, part 1: setting up Lightsail4 min

all writing (4) →

projects

Go Hydrate: Hydrates structs from maps and SQL rows.
Captain Capybara: Game jam game with procedural levels.
API Tooling: Command-line tools to test and document APIs.
dotfiles: Neovim, tmux, zsh. My environment, versioned.

from the garden

○Agents Memory, ○API Engineering and ○Algorithms.