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Rachel

Mid-level Ruby on Rails Developer
6 years of experience

Rachel is an experienced Ruby on Rails developer of having used it consistently from 2012-2015 and is confident to go back again to Ruby Development s. . .

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Prairie

Junior Ruby on Rails Developer
3 years of experience

Experienced Software Developer who can bring a diverse skill set and creative drive to software application development. Proficient in writing code in. . .

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Karim

Ruby on Rails Developer
5 years of experience

Experienced Ruby on Rails developer who is passionate about writing clean, efficient, and accessible code in a functional framework. Committed to the . . .

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Buck

Senior Ruby on Rails Developer
6 years of experience

Buck is a Fullstack Ruby on Rails Developer. It’s started as a hobby until he gets his first professional experience since February 2012. He has worke. . .

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View Prairie's CV

Prairie

Junior Ruby on Rails Developer
3 years of experience

Experienced Software Developer who can bring a diverse skill set and creative drive to software application development. Proficient in writing code in. . .

View Prairie's CV

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How to Hire the Best Ruby on Rails Developers

When hiring a Ruby on Rails developer, recruiters and hiring managers must make an effort to know more about Ruby on Rails as well as the level of expertise they should look for to make a good hiring decision. In this comprehensive article, we will discuss some of the most essential information and answer critical questions to help you find the right Ruby on Rails developer.

 

First, let’s break down Ruby on Rails to two parts: Ruby, and Rails.

 

Ruby is a programming language while Rails (Ruby on Rails) is a framework that extends Ruby.

 

Ruby was created back in 1995; currently, it is among the top 10 programming languages. It is a dynamic, object-oriented, general-purpose scripting language which can be used to build high-quality applications.

 

In 2005, David Heinemeier Hansson (DHH) created Ruby on Rails, a powerful library over the Ruby programming language. DHH took Ruby’s foundations and made a framework that is open-source, multi-purpose, extensible, and expandable. This became a breakthrough in web development, and Ruby on Rails became the most widely used framework in the Ruby language. Using this framework, developers can efficiently write code and minimise the time consumed in app production.

 

Rails is a server-side framework following the MVC pattern that places focus on the use of well-known software engineering patterns and paradigms. It is primarily used to build web apps and to code both the front-end and back-end of applications.

 

Ruby on Rails is famous for and preferred by many businesses and developers because of the speed and agility that they offer, which easily translates into high productivity and growth of the business. Some popular brands and names using Rails are Twitter, Shopify, Basecamp, and Wakeupsales. 

Why should you hire a Ruby on Rails developers?

Ruby on Rails is a powerful web development tool, but you will not be able to get the most of this technology without a skilled Ruby on Rails developer in your team.

 

What advantages do you get when you hire Ruby on Rails developer?

 

Faster development
Compared to other popular web frameworks, web development time with Ruby on Rails can be significantly reduced by 25-50%. This is made possible with Ruby’s object orientation, the modular design, extensive open-sourced code developed by the Rails community, as well as the multitude of ready-to-use plugin solutions.

 

Skilled Ruby on Rails developers for hire will be able to leverage these features to build your MVP fast. They also know how to access various ready-made plugins and modules from third-party libraries to add the features that you want—whether it be dashboards, user authentication, and other components.

 

One of the many advantages of a Ruby on Rails developer is that you can quickly check the feasibility of your product, fix any errors, and effectively mitigate risks.

 

Easy maintenance and updates
With Ruby on Rails, modifying the existing code and updating an application are made easy. Ruby is, in essence, an easy-to-read language; add to that Rails’ conventions, and team members can quickly pick up on everything.

 

Choosing a Ruby on Rails developer as a part for your web development project is a smart route to take because of their knowledge about the framework helps refactor code long after it was developed and deployed. The cost of having new developers into a project as well as the learning curve is a crucial factor, especially for startups; this is one of the issues you will be able to avoid with Ruby on Rails as your framework and with highly-skilled a Ruby on Rails developer in your team.

 

Build quality products
Aside from saving you time and costs during the production, Ruby on Rails developers for hire can help build your web app with minimal risks. Developers proficient in working with Ruby on Rails can make use of the framework’s high-quality libraries to create applications that follow the principles of good development.

 

Moreover, a Ruby on Rails developer can also help you make your web apps and websites visually-appealing.

 

Build any product for any purpose
You know by now that Ruby is a general-purpose language, and that Ruby on Rails is a full stack framework. And while their combination is primarily used in web development, their use has diversified over time.

 

Ruby on Rails developers for hire can help you build products for various purposes, such as advertising, back-end for mobile applications, content management systems, e-commerce, social networks, etc. 

What technical skills should you look for when hiring a Ruby on Rails developer?

There are various technical skills that are valuable in Ruby on Rails development. Let’s go through them per category:

 

In terms of proficiency with Ruby

 

  • Syntax  - The basic elements of the language (e.g. loops, classes, conditional statements, modules, etc.) 
  • OOP programming  -  OOP concepts in Ruby like (e.g. classes, objects, inheritance vs composition, blocks vs procs vs lambdas, including vs extending a module)

 

In terms of proficiency with Ruby on Rails

 

  • Knowledge of the MVC paradigm  
  • Knowledge of ERB or Haml  - templating/view systems
  • Knowledge of ActiveRecord - a Ruby library for working with Relational SQL Databases like MySQL and Postgres  
  • Knowledge of and experience in unit testing (e.g. unit testing using RSpec) 
  • Knowledge of and experience with API plus JSON 
  • Knowledge of the Basics of REST and HTTP protocol 

 

In terms of front-end skills

 

 

In terms of working with databases

 

  • Knowledge of and experience with SQL 
  • Knowledge of or experience in working with database engines (e.g. PostgreSQL or MySQL)
  • Sound understanding of the concept of NoSQL databases  (although not as popular as SQL bases, you will still find NoSQL in many existing projects) 

 

In terms of other essential tools

 

  • Experience in using Git -  essential tool for code management
  • Experience in Deployment  - particularly, knowledge of or experience in Heroku, Capistrano, Docker, CI.

What are the best practices in Ruby on Rails development?

Aside from possessing essential technical skills, the best Ruby on Rails developer also know and put into practice Ruby on Rails best practices. Let’s discuss some of them below:

 

Two Space Indentation
Using 2-space indentation instead of 4-space indentation is one of the most widely adopted and agreed upon style guidelines in the Ruby community. Take a look at this sample code with 4-space indentation:

 

def some_method
some_var = true
if some_var
do_something
else
do_something_else
end
end

 

Following the 2-space indentation makes the code much cleaner and readable. This is how it will be written:

 

def some_method
some_var = true
if some_var
do_something
else
do_something_else
end
End

 

Use unless instead of !if:

 

When you have an if statement with a negative condition like the following:

 

if !true
do_this
end

or

if name != "sarmad"
do_that
end

 

It will be a good practice to make use of Ruby’s exclusive unless to make the code more readable. Our examples above will now be written like this:

 

unless true
do_this
end

or

unless name == "sarmad"
do_that
end

 

Never use unless-else

 

From the previous point, if you have to involve an else to your conditional, use if; do not use unless-else.

 

Wrong

unless user.save
#throw error
else
#return success
end

 

Correct

if user.save
  #return success
else
  #throw error
end

 

Smart Use of Enums
Consider this situation: we have a model named ‘Book’, as well as a column or field in which we want to keep its status (draft, completed, or published). This might lead us to write code similar to this:

 

if book.status == "draft"
do_something
elsif book.status == "completed"
do_something
elsif book.status == "published"
do_something
end

or

if book.status == 0 #draft
do_something
elsif book.status == 1 #completed
do_something
elsif book.status == 2 #published
do_something
end

 

In such a situation, it is a best practice to use enums. It can be done by first defining enums in your model, like this:

 

enum status: { draft: 0, completed: 1, published: 2 }

 

Now, we can rewrite the code like this:

 

if book.draft?
do_something
elsif book.completed?
do_something
elsif book.published?
do_something
end

 

This not only looks better and easier to read, it also gives you methods to switch between defined statuses.

 

  • book.draft!
  • book.completed!
  • book.published!

 

 

WHY HIRE OFFSHORE RUBY ON RAILS DEVELOPERS WITH CLOUD EMPLOYEE

Beyond Value

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UK Developer

£40 per hour

AVG Cost

Cloud Employee Developer

£14 per hour

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