Introduction
What is a Ruby / Ruby on Rails Developer?
Ruby is a dynamic, object-oriented programming language that is known for its simplicity and flexibility. It was created in the mid-1990s by Yukihiro Matsumoto, who wanted to create a language that was easy to use and understand. Ruby on Rails, commonly referred to as Rails, is a web application framework that is built on top of Ruby. It provides developers with a set of tools and conventions that make it easier to build web applications quickly and efficiently. Rails is known for its emphasis on convention over configuration, which means that developers can spend less time configuring their applications and more time building them. Together, Ruby and Rails provide developers with a powerful and flexible platform for building web applications of all kinds.
How popular is Ruby / Ruby on Rails?
Ruby and Ruby on Rails have gained immense popularity in recent years, especially in the web development industry. Ruby is a dynamic, object-oriented programming language that is easy to learn and use. It is known for its simplicity, flexibility, and readability, making it a popular choice for developers. Ruby on Rails, on the other hand, is a web application framework built on top of Ruby, which provides developers with a set of tools and conventions to build web applications quickly and efficiently. With its ease of use, scalability, and robustness, Ruby on Rails has become a go-to choice for many startups and established companies alike. The popularity of Ruby and Ruby on Rails is evident from the fact that many big names like Airbnb, GitHub, and Shopify have used it to build their web applications.
Where to find a Ruby / Ruby on Rails Developer?
If you’re looking to hire a Ruby or Ruby on Rails developer, there are several places you can look. One option is to post a job listing on popular job boards like Indeed or Glassdoor. These sites have a large pool of candidates, but you may have to sift through a lot of resumes to find the right fit. Another option is to search for developers on LinkedIn or other professional networking sites. This can be a more targeted approach, but it may take longer to find the right candidate.
Alternatively, you can work with a staffing agency like CoDev. CoDev specializes in connecting businesses with top-tier developers at a low cost. They have a rigorous vetting process to ensure that all candidates have the necessary skills and experience to excel in their roles. Plus, they offer flexible hiring options, so you can find a developer who fits your specific needs and budget. With CoDev, you can hire a Ruby or Ruby on Rails developer quickly and confidently.
In conclusion, there are several ways to find a Ruby or Ruby on Rails developer, but working with a staffing agency like CoDev can save you time and money. With their extensive network of developers and thorough vetting process, you can trust that you’re getting the best candidates for your business. Contact CoDev today to learn more about their hiring options and start building your dream team.
Why should you hire a Ruby / Ruby on Rails Developer?
When it comes to building web applications, Ruby and Ruby on Rails are two of the most popular technologies used by developers. These technologies offer a wide range of benefits that make them an excellent choice for businesses looking to build robust and scalable web applications. Here are some reasons why you should consider hiring Ruby / Ruby on Rails developers for your next project:
1. Rapid development: Ruby on Rails is known for its ability to speed up the development process. With its built-in conventions and easy-to-use syntax, developers can quickly build web applications without sacrificing quality.
2. Scalability: Ruby on Rails is designed to handle large-scale applications with ease. This means that as your business grows, your web application can grow with it.
3. Flexibility: Ruby on Rails is a flexible technology that can be used to build a wide range of web applications, from simple blogs to complex e-commerce platforms.
4. Cost-effective: Ruby on Rails is an open-source technology, which means that it is free to use and can be customized to meet your specific needs. This can help you save money on development costs.
5. Community support: Ruby on Rails has a large and active community of developers who are constantly working to improve the technology. This means that you can benefit from the latest updates and improvements to the technology.
6. Quality code: Ruby on Rails is known for its clean and concise code, which makes it easier to maintain and update your web application over time.
In conclusion, hiring Ruby / Ruby on Rails developers can help you build high-quality web applications that are scalable, flexible, and cost-effective. With its rapid development capabilities, community support, and quality code, Ruby on Rails is an excellent choice for businesses looking to build robust and scalable web applications.
Hiring
Job Description Template
For a helpful job description template, click here.
How to interview a Ruby / Ruby on Rails Developer?
When it comes to hiring a Ruby or Ruby on Rails developer, it’s important to conduct a thorough interview process to ensure you find the right fit for your team. Here are some tips on how to interview Ruby/Ruby on Rails developers:
1. Start with the basics: Before diving into technical questions, start with some basic questions to get to know the candidate. Ask about their experience with Ruby/Ruby on Rails, their preferred development environment, and their experience working on projects similar to yours.
2. Test their technical skills: Once you’ve established a rapport with the candidate, it’s time to test their technical skills. Ask them to walk you through a recent project they worked on, including the technologies they used and any challenges they faced. You can also ask them to solve a coding problem or complete a coding challenge to assess their coding skills.
3. Assess their communication skills: Communication is key when working on a development team, so it’s important to assess the candidate’s communication skills during the interview process. Ask them how they communicate with team members, how they handle conflicts, and how they approach problem-solving. You can also ask them to explain a technical concept in layman’s terms to see how well they can communicate complex ideas.
By following these tips, you can ensure that you find a Ruby/Ruby on Rails developer who not only has the technical skills you need but also fits well with your team and can communicate effectively.
Interview questions and expected answers
When you hire with CoDev, we use third-party coding tests and expert technical interviews to evaluate candidates. That said, here are sample questions that might be helpful in your own interviews:
1. What is your experience with Javascript frameworks?
Expected answer: As a Ruby/Ruby on Rails developer, I have experience working with popular Javascript frameworks such as React, Angular, and Vue.js.
2. Can you explain the difference between synchronous and asynchronous Javascript?
Expected answer: Synchronous Javascript executes code in a single thread, while asynchronous Javascript allows for non-blocking code execution.
3. How do you handle errors in Javascript?
Expected answer: I use try-catch blocks to handle errors in Javascript and ensure that my code runs smoothly.
4. Have you worked with jQuery before? If so, can you give an example of how you used it in a project?
Expected answer: Yes, I have worked with jQuery before. In a recent project, I used jQuery to create a dynamic form that allowed users to add and remove fields as needed.
5. What is your experience with AJAX?
Expected answer: I have experience using AJAX to make asynchronous requests to the server and update the page without requiring a full page refresh.
6. Can you explain the concept of closures in Javascript?
Expected answer: Closures are functions that have access to variables in their outer scope, even after the outer function has returned.
7. Have you worked with any Javascript testing frameworks? If so, which ones?
Expected answer: Yes, I have worked with testing frameworks such as Jasmine and Mocha to write unit tests for my Javascript code.
8. How do you optimize Javascript performance?
Expected answer: I optimize Javascript performance by minimizing DOM manipulation, reducing HTTP requests, and using caching techniques.
9. Can you explain the difference between prototypal and classical inheritance in Javascript?
Expected answer: Prototypal inheritance is based on objects and their prototypes, while classical inheritance is based on classes and their instances.
10. Have you worked with any advanced Javascript concepts such as Promises or Generators?
Expected answer: Yes, I have experience working with Promises to handle asynchronous code and Generators to create iterators in Javascript.
