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Commonly abbreviated as simply “Rails,” Ruby on Rails is an open-source development framework for web applications. As the name implies, the framework was developed using the Ruby programming language. Ruby On Rails is one of the most widely used Ruby libraries, and most Ruby developers have worked on it at some point.
Today’s web applications are becoming increasingly complex. They have various layers that interact with each other and complicate development – which is where RoR comes in to simplify things. Rails gives you pre-build development structures and just about everything required to build your web app easily.
The framework contains default structures for any necessary databases, your code, and the pages that your app serves. Ruby on Rails functions on the MVC architecture – Model-View-Controller. It’s a common architectural pattern for web frameworks, splitting the web app’s code into three distinct but interconnected sections.
The model contains the application’s data structure, the view contains the visual representation of the app that the user sees, and the controller connects the model to the view and contains the app’s business logic.
Ruby on Rails’ most significant advantage is that it streamlines web development, making it quick and easy for a small dev team to build and deploy a web app. Plus, the ecosystem surrounding Ruby provides libraries, making it easy to extend the basic features of the Rails framework. Plenty of startup projects use it for precisely that reason.
So, you should use Ruby if you need a small number of devs to deliver a working web application quickly, if you’re working with a limited budget, or if you’re under a tight deadline – or all of the above.
Many startups begin with Rails but eventually migrate to other frameworks – mainly because Ruby isn’t great in terms of machine learning libraries, which are becoming the centerpiece of an increasing number of new big data projects. For big data processing, Python is probably a more natural choice. Still, Ruby does a wonderful job for lightweight applications.
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Ruby on Rails project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Ruby on Rails request on Codementor, check out our article.
We don’t charge anything when you post a freelance hiring request for Ruby on Rails developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
A Ruby on Rails developer works on the server-side code for web applications. That means they’re usually focused on the back-end components of an app, the connections with other (sometimes third-party) services and apps, and integrating the work of the front-end devs into the application.
For such tasks, they primarily need experience working in RoR – as well as common Ruby libraries like Resque and RSpec. This includes a relatively in-depth understanding of the Ruby syntax and its many nuances, as well as a general knowledge of object-oriented programming principles.
Some languages like Slim or Liquid may be necessary for server-side templating, though this depends on your specific tech stack. However, some basic familiarity with front-end languages and frameworks like HTML5, JavaScript, and CSS3 is always a boon – as well as the design principles necessary for building a scalable app.
We do a comprehensive technical and communications screen of all Ruby on Rails developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Ruby on Rails developers’ user satisfaction rates.
Here are some basic RoR interview questions to consider using when hiring freelance Ruby on Rails software developers:
For more answers to frequently asked questions, see here.