Hire the best 430 engineers with YouTeam

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DI

Dmitry I.

Ruby /Ruby on Rails developer

Strong Ruby on Rails developer with over 3 years of experience. Dmitry has developed a wide range of web...
UTC+07:00 (Asia/Omsk)
$90,720$86,184 / Year
$7,560$7,182 / Month
$45 / Hour
AP

Alexey P.

Senior Ruby on Rails developer with solid JavaScript...

I am a Senior Ruby on Rails Engineer. I have solid experience (7+ years) of server-side development with Ruby on...
UTC+02:00 (Europe/Kiev)
$78,624 / Year
$6,552 / Month
$39 / Hour
YT

Yaroslav T.

A full stack Ruby developer with deep experience in...

A middle Ruby on Rails engineer with over 5 years of commercial experience in web development. Experience in...
UTC+02:00 (Europe/Kiev)
$72,576 / Year
$6,048 / Month
$36 / Hour
OO

Oleg O.

Ruby on Rails developer with an experience of developing...

Ruby on Rails engineer with analytical and problem-solving skills, ability to break down and dissect complex...
UTC+02:00 (Europe/Kiev)
$60,480 / Year
$5,040 / Month
$30 / Hour
DM

Dmitriy M.

Full-stack developer, Ruby on Rails Engineer with...

A senior Ruby on Rails engineer with over 6 years of commercial experience in web and mobile development. He has...
UTC+02:00 (Europe/Kiev)
$101K / Year
$8,400 / Month
$50 / Hour
VT

Vladislav T.

Ruby on Rails developer with experience in both back-end...

Vlad is a middle Ruby on Rails developer responsible for creating code that enables databases and web applications to...
UTC+02:00 (Europe/Kiev)
$90,720 / Year
$7,560 / Month
$45 / Hour
MH

Maksym H.

Ruby/Ruby on Rails developer

The first framework I used was Rails. This technology allows making full-stack project in no time. This is the first...
UTC+02:00 (Europe/Kiev)
$70,560$63,504 / Year
$5,880$5,586 / Month
$35 / Hour
DS

David S.

RUBY ON RAILS DEVELOPER

- 6+ years of experience in software development. - Solid knowledge of Ruby, Hanami, dry.RB, JavaScript, Node.js. -...
UTC+02:00 (Europe/Kiev)
$115K / Year
$9,576 / Month
$57 / Hour
CA

Cindy A.

Ruby on Rails Developer

Backend developer, experienced in Ruby on Rails. In these years I learned that our work goes much further than...
UTC-03:00 (America/Montevideo)
$117K / Year
$9,744 / Month
$58 / Hour
MM

Maksim M.

Ruby on Rails developer

UTC+03:00 (Europe/Minsk)
$110K / Year
$9,168 / Month
$55 / Hour

No-one really matches your needs?

Normally we are able to pro-actively find any given talent within 72 hours.

The Сomplete Guide to Hiring a Ruby on Rails Developer

Ruby on Rails is a combination of the Ruby programming language and front-end technologies for creating web applications that run on a web server. In other words, it is a server-side web application framework, so Ruby on Rails developers are considered to be back-end developers. They use a modular approach to writing Ruby code by using small libraries that are called “gems.” Typical daily tasks of a Ruby on Rails developer include the development of all server-side logic, database design and management, and ensuring responsiveness to requests from the front-end.

If you are looking for Ruby on Rails specialists, please check out this article, where we will explain which skills and knowledge are usually required from Ruby on Rails programmers.

Checking hard skills of Ruby on Rails programmer

RoR-specific questions:

  1. What is a swapfile and what is it used for? How does the garbage collector work?
  2. What is a code style guide? What style guides in Ruby and Javascript do you know?
  3. What is MRI (Matz Ruby Interpreter)? What role does it play in the software lifecycle?
  4. What are some use cases of tests? Is it always good to write tests? What approaches in test writing do you know? What test instruments in Ruby do you know?
  5. Philosophy question: How would you organise a RoR application where front-end is written with React.js/Angular.js/Vue.js?

General questions:

  1. What is strict typing and how does it differ from dynamic typing? What are pros and cons of each one?
  2. What is Microservice? What are the pros and cons of microservices architecture against monolith application?

So here is a complete list of skills to consider:

  1. Solid knowledge of the Ruby programming language.
  2. Experience with Rails and other common libraries, such as RSpec and Resque.
  3. Understanding of server-side templating languages, such as Liquid or Slim, and server-side CSS preprocessors, such as SASS, LESS, or Stylus.
  4. Experience in developing highly interactive applications for a wide range of users.
  5. Familiarity with relational databases, such as PostgreSQL, and NoSQL data stores.
  6. Understanding of the MVC (Model-View-Controller) approach.
  7. Basic understanding of front-end technologies, such as JavaScript, HTML5, XML, and CSS3.
  8. Ability to integrate the front-end with back-end.
  9. Proficiency with the Linux/Unix/MacOS X environments.
  10. Experience in creating RESTful web services.
  11. Ability to think logically in order to define problems, gather data and draw conclusions.
  12. Ability to carry out regular code reviews in order to improve code quality, design and tests.

Review the soft skills of candidates

YouTeam is a platform for hiring experienced software engineers, not junior developers. Here are the two of the most useful screening questions, you can ask candidates to help identify their level of professionalism.

  1. Please describe your previous experience. What was the complexity of these projects? What was your role on those projects?

What to look for in candidates’ answers:

  • Is s/he dedicated more to quality (clean code, code style) or to quantity (number of features delivered, product time to market)?
  • Is s/he a team player?
  • Level of responsibility.
  1. How do you deal with issues you are facing for the first time and don’t know how to resolve?

What to look for in candidates’ answers:

  • Is s/he a deep thinker or a code first then check person?
  • Does s/he engage teammates to discuss unknown issues?
  • Is s/he multi-functional person? Can s/he do DevOps tasks? Can s/he do front-end tasks?

There are no good or bad answers, it just allows to understand if a given candidate is a fit for your particular project.

We hope this article will save you time getting prepared for interviewing candidates. We hope you become a hiring rock star and succeed with your project by putting the right professionals into the right roles on your development project.

 

Gera-IT is specialized in Custom Solutions Development. Since 2006 they enriched their expertise, having delivered 140 projects of different scale with budgets ranging from $5,000 to $2 million. The distribution of clients covers 11 countries, including the US, Canada, Australia, the UK, Germany, France, the Netherlands, Denmark, Belgium and others.