LU

Luiz Eduardo Kowalski

@luizkowalski

senior software engineer. building useswitchboard.app on the side

Berlin

Website

Joined August 2009

154 Followers

148 Following

AI Insights & Achievements

63/ 100

Growth

9 new projects with 10 stars.

Consistency

131 day streak.

Veteran

Coding for 17 years.

Profile README

Hi there 👋

I'm Luiz Eduardo

🔭 Senior Software Engineer @ Contentful
⚙️ Mastering performance for Ruby on Rails applications
🛠️ Fullstack Ruby on Rails, Docker, Terraform, PostgreSQL
✍️ Blogging (when I feel like it) at luizkowalski.net
⚡ Fun fact about me: I used to believe in microservices. Not anymore

Organizations

CO IN TH

Public Repos

69

Total Stars

268

Total Forks

61

Public Gists

42

Top Languages

Based on primary language of repositories

Recent Activity

Contribution Graph

Activity Timeline

Commits and contributions grouped by day, week, or month.

High productivity periods

Most active day: January 9th, 2026 • 31 contributions

Most active week: Jan 5–Jan 11 • 127 contributions

Most active month: Sep 2025 • 388 contributions

Pushed to master at luizkowalski/dotfiles

January 31st, 2026 10:04 PM

Starred pat/calendav

January 31st, 2026 3:35 PM

Starred marckohlbrugge/unofficial-37signals-coding-style-guide

January 30th, 2026 8:39 PM

DeleteEvent on luizkowalski/terraform-hetzner

January 30th, 2026 12:21 PM

Pushed to main at luizkowalski/terraform-hetzner

January 30th, 2026 12:21 PM

labeled pull request in luizkowalski/terraform-hetzner

January 29th, 2026 9:09 PM

DeleteEvent on luizkowalski/snowflaked

January 28th, 2026 6:34 PM

Pushed to main at luizkowalski/snowflaked