Ruby on Rails Developer: Skills Companies Should Look For

Ruby on Rails is a powerful web application framework that provides a great deal of benefits for companies. Perhaps the most notable benefit is its ability to save time and money. Using Ruby on Rails can help reduce web development costs by up to 50%.

Another significant benefit is its flexibility. Ruby on Rails can be used to develop a wide range of web applications, from small, single-page applications to large, complex applications. This flexibility allows companies to tailor their web applications to their specific needs and requirements.

In addition, Ruby on Rails comes with a large number of built-in features that can save companies time and money. For example, Ruby on Rails includes built-in support for database management, security, and testing. These features can help reduce the time and cost of developing and deploying web applications.

If you invested in this program, you need to hire a skilled Ruby on Rails developer to help your business get the most out of it.

What Is the Task of a Junior Ruby on Rails Developer?

A junior Ruby on Rails developer is responsible for developing, maintaining, and deploying Ruby on Rails applications. They work closely with senior developers and other team members to ensure the project's success. 

Junior developers must have a strong understanding of Ruby and Rails and be able to write clean, well-documented code. They must be able to troubleshoot and debug errors and be able to work in a fast-paced environment.

What Are the Skills a Junior Ruby on Rails Developer Should Have?

To be a top Ruby on Rails developer, an applicant needs to have strong skills in both Ruby and Rails. Here are some of the skills they should at least have:

  • Ruby: Ruby on Rails developers should have a strong understanding of the Ruby programming language. In addition, they should be proficient with the Rails framework and have a good working knowledge of the various libraries and gems available for Rails development.

They should also be familiar with the Linux operating system and have a basic understanding of server administration. Rails developers typically work on Linux servers, so it’s vital to have some experience with this system.

  • Front-End Skills: As a Ruby on Rails developer, it’s crucial to have strong front-end skills. That means being able to create beautiful and user-friendly designs and being able to code in HTML, CSS, and JavaScript.

To be a top-notch Ruby on Rails developer, it’s also essential to have a strong understanding of UX and UI design principles. That will ensure that the applications they build are not only functional but also easy and enjoyable to use.

  • Database Skills: A Ruby on Rails developer should have a strong understanding of databases and how to use them. Rails is an excellent framework for building web applications, but it’s only one part of the equation. A good Rails developer should also have a solid understanding of the underlying database system.

Many different database systems can be used with Rails, but the most popular ones are MySQL, PostgreSQL, and SQLite. Each of these has its strengths and weaknesses, and a good Rails developer should know how to use all of them.

  • Soft Skills:  A successful Ruby on Rails developer must have a good mix of soft and hard skills. While hard skills are essential for writing code and building applications, soft skills, such as strong communication, teamwork, and problem-solving skills, are just as important for working well with others and communicating effectively.


There are many reasons why companies should hire skilled Ruby on Rails developers. Ruby on Rails is a versatile and powerful web development framework that can help companies create sophisticated web applications quickly and efficiently. Additionally, Ruby on Rails developers are typically well-versed in other web development technologies and can provide valuable insights and expertise to a company.

If you want a good hire, do it right from the start. Kandio is a program that can help you achieve that. We have a Ruby on Rails online test you can use to assess your candidates' knowledge and skills. Get a demo now!

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