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Empowering Global Brands with Ruby on Rails: Success Stories from Selleo

Ruby on Rails (RoR) isn't just a technology; it's the launchpad for innovation. At Selleo, we've spent over fifteen years mastering this powerful web framework.

May 29, 2025

Ruby on Rails

Rewriting a Ruby on Rails App from MongoDB to PostgreSQL: Lessons from a Live Code and Cloud Migration

When our client—a fast-scaling HR and EdTech platform—approached us to rethink their infrastructure, their Ruby on Rails app was already carrying a significant load.

May 15, 2025

ruby on rails

Outsourcing RoR | How To Choose A Ruby On Rails Development Company?

Wondering how to choose a Ruby on Rails development company? Read the post to find out how to successfully outsource your RoR project.

Jul 10, 2023

ruby on rails

Hire Ruby On Rails Developers: The Complete Guide

Using Ruby on Rails could be what you need to take your web app to the next level so stay tuned as we find out how to find and hire Ruby on Rails programmers.

Jan 21, 2022

ruby on rails

Ruby On Rails Web Development

Find out why Ruby on Rails is a popular choice for web development and see some of the benefits this platform offers.

Jan 21, 2022

ruby on rails

Design SaaS Product: 4 Reasons Why You Should Choose Ruby On Rails Framework

In this article, I will blend the technical aspects of designing SaaS using the Ruby on Rails framework to prove it is a perfect choice for your project.

May 11, 2021

ruby on rails

Why Is Ruby Still A Good Choice in 2021? An Introduction To Ruby 3.0

You might be surprised that even though it is over 15 years old Ruby is not slowing down and still has a great group of supporters and newcomers

Feb 2, 2021

ruby on rails

How To Upgrade To Rails 6

This guide will show you how to upgrade to Rails 6. We'll cover the upgrade process in general and provide helpful tips to make your upgrade as smooth as possible.

May 7, 2019

ruby on rails

Pessimistic Locking In Rails

The Ruby on Rails framework is powerful in many ways. One of its strong points is that Ruby on Rails is being shipped with ActiveRecord - an Object Relational Mapping system. ActiveRecord comes up with its own DSL, which lets you write Ruby code, which in turn is translated to SQL, allowing you to use database native features, including “locking”.

Apr 15, 2019

ruby on rails

A Subjective Guide To Naming Stuff In Ruby on Rails: Classes

Naming things in programming may not be hard (a matter of imagination), but it is definitely hard to do it right. Also, it turns out to be very unclear what “right” means in each and every context. It doesn’t change the fact that in 8 out of 10 PRs I review, I provide a feedback related to naming, be it naming of classes, methods, fields, variables… you name it

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ruby on rails

Benchmarking Ruby On Rails Applications Tools For Load Performance Testing

The choice of benchmarking tools is often a compromise between a number of factors such as: ease of use, features, and time needed to prepare and maintain a test suite.

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ruby on rails

Essential RubyOnRails Patterns — Part 2: Query Objects

Query Objects (also referred to as queries) is another pattern that helps in decomposing your fat ActiveRecord models and keeping your code both slim and readable. While this article is written with Ruby On Rails in mind, it easily applies to other frameworks, especially MVC based and applying ActiveRecord pattern.

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ruby on rails

Essential RubyOnRails Patterns — Part 4: Form Objects

Form Object is a very useful pattern in rails ecosystem as it can address variety of issues and antipatterns. In this article we will attempt to sort out in which situations Form Objects can prove useful and what conventions allow us to make most out of them.

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ruby on rails

GraphQL Mutations In Ruby On Rails

In this article, I would like to focus on adding GraphQL mutations. We will be working on the test application we created previously in this article. It might be helpful for you to know the structure, models, and types we are using so I encourage you to take a look.

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ruby on rails

GraphQL with Ruby On Rails: Queries in Multiple Files

Today we are going to add specs (again, we will focus only on the happy paths) for GraphQL queries. But there is one thing about the current implementation of the queries that I don’t like. We have everything defined in one file: `app/graphql/types/query_type.rb`

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