Codeminer42's Engineering Blog
Ruby on Rails

Everything you should know about Background Jobs with ActiveJob
Orchestrating background tasks (or "jobs," as they are often called) is common in web development. Any application that deals with time-consuming operations, such as sending emails, processing images, or integrating…
How To Build An AI Agent For Talent Matching – Part 2
In the first post of this series, our great Edy Silva tried multiple approaches for a Talent Matching system that would work for our little problem. What is the problem?…
Rails Multi-Databases and Tenancy: How You Can Do It Today
Portuguese version here: https://tech-pills.github.io/2025-09-18-Rails-Multi-Databases-e-Tenancy-como-fazemos-isso-em-2025/ Hey everyone! Hope you're doing well. So, you're building an application and you've reached that moment when you think: "Damn, how do I keep Company Two…
An Introduction to Ruby on Rails – From someone with a frontend background
If you've come here looking for a post from a Ruby on Rails expert, I'm sorry to inform you that I'm not that person. What you can expect from this…
Packing It All for the Last RailsConf
As the Last RailsConf approaches, the nostalgic feeling gets stronger. It's the end of an era, a celebration of the history of Ruby on Rails and its community. Driven by…