Essential Skills Your Ruby on Rails Developer Needs

Posted 24/01/23

Table of Contents

Ruby on Rails, often simply called Rails, is a popular web development framework that is built on the Ruby programming language. It is known for its convention over configuration approach, which allows developers to quickly build web applications with minimal setup. If you’re looking to hire a Ruby on Rails developer or improve your skills in the field, there are several key skills and knowledge that are essential for success.

Basic Programming Skills

ruby on rails developer skills

A strong foundation in programming is the most important skill for a Ruby on Rails developer. A good Rails developer should have a solid understanding of the Ruby programming language, as well as experience with HTML, CSS, JavaScript, and SQL. Ruby is an object-oriented programming language that is known for its simplicity and readability, making it easy to learn for developers with experience in other object-oriented languages such as Python or Java.

MVC Architecture

Another important skill for a Ruby on Rails developer is a good understanding of the Model-View-Controller (MVC) architecture. Rails are built on the MVC architecture, which separates the application’s data, user interface, and control flow into distinct components. This allows developers to create reusable and maintainable code, making it easier to scale and update their applications over time.

Common Rails Libraries and Gems

Rails come with several built-in libraries and gems that provide a wide range of functionality, from authentication and authorization to testing and performance optimization. A good Rails developer should be familiar with common libraries and gems such as Device for authentication, RSpec for testing, and Pundit for authorization.

Agile Development Methodologies and Git

Agile development methodologies such as Scrum and Kanban are widely used in Rails development, as they allow teams to quickly adapt to changing requirements and deliver working software regularly. A good Rails developer should have experience with Agile methodologies, and be familiar with version control using Git.

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Database Design and Management

A good Rails developer should have a good understanding of database design and management. Rails use an object-relational mapping (ORM) library called ActiveRecord, which allows developers to interact with databases using Ruby code rather than SQL. A good developer should be able to design and manage databases effectively and be familiar with common ORMs such as ActiveRecord.


Web applications are constantly under threat of security breaches and attacks. A good Rails developer should have knowledge of security best practices, and be able to implement them in a Rails application. Familiarity with common security threats such as SQL injection, cross-site scripting, and cross-site request forgery is essential.

RESTful API Design

Rails developers often need to build and consume APIs to allow different systems to communicate with each other. A good developer should have a good understanding of RESTful API design, and be able to design and implement APIs that are secure, reliable, and easy to use.

Cloud-based Hosting Platforms

A good Rails developer should be familiar with cloud-based hosting platforms such as Heroku or AWS, as they allow developers to easily deploy and scale their applications.

Performance Optimization and Debugging

As applications grow in complexity and usage, performance issues may arise. A good Rails developer should have experience with performance optimization techniques such as caching and be able to troubleshoot and debug issues that may arise.


A Ruby on Rails developer has a strong background in programming and is well-versed in MVC architecture. They can effectively design and manage databases, as well as utilize Agile development methodologies, Git for version control, and implement security best practices.

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They are also proficient in using common Rails libraries and gems, designing RESTful APIs, working with cloud-based hosting platforms, and optimizing and troubleshooting performance issues. With these skill sets, they can help you create a web application that meets your business requirements and achieve success.

If you’re ready to take the next step in building your web application, consider hiring a skilled Ruby on Rails developer. Don’t let a lack of development resources hold you back – contact us today to discuss how we can help you find the right Ruby on Rails developer for your needs. Time is of the essence, act now and take the first step toward the success of your project.


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