| 🌎 Web | https://www.aaronsumner.com |
| 👨💻 Left of the Dev | https://leftofthe.dev |
| 🕹️ Bandageman Studios | https://ko-fi.com/bandageman |
| 🧰 Low Overhead woodworking | https://ko-fi.com/lowoverhead |
I wrote this post about automating guard rails in Rails and Django, and opening up codebases to newcomers, and focusing code review on the big things, and stopping it with all the gatekeeping. One of those things I thought was obvious, but maybe not? 🤷♂️
https://leftofthe.dev/2026/04/04/guard-rails-not-gatekeeping
The Obsidian team is growing from three engineers to four engineers.
Competitive SF salary. Fully remote, live anywhere. Apply below.
https://airtable.com/appCHyOHfrT8Xoeij/paguQlTAk0A8M4x3U/form
💥 I held myself accountable and have shipped the 2026 edition of my RSpec book, updated for Rails 8 and Ruby 4!
It's on Leanpub, and a free update for all past purchase, as usual. Please pass this along to your friends and colleagues who want to learn testing.
We're looking for two Backend Ruby on Rails Web Developers to work with us remotely as part of the core team.
Ideally you are:
1. Very experienced with Ruby on Rails
2. Proficient in PostgreSQL, and familiar with Redis and Elasticsearch
3. Experienced in developing maintainable and scalable web backend and API systems
This remote full-time position requires a 4-hour overlap with the CET timezone.
For more info/to apply: https://jobs.ashbyhq.com/mastodon/ac9d4f66-13e8-44d1-bb82-a929ebca8a27
I've been having a blast the past couple of weeks chatting with other engineers at O'Reilly about my Claude Code setup, especially the Superpowers skills! Work friends, my calendar is linked in Slack 😄 For everyone else, here's a little article I wrote about my process—and why I think Superpowers are changing the game with agentic coding.
https://leftofthe.dev/2026/02/19/claude-code-skills-superpowers
Obsidian
Johan Peitz
Mastodon Engineering
