Senior RoR Developer
Flexiple spent good amount of time understanding our requirements, resulting in accurate recommendations and quick ramp up by quality developers.
Overall Flexiple brought in high-level of transparency with quick turnarounds in the hiring process at a significantly lower cost than any alternate options.
Flexiple has been instrumental in helping us grow at a fast pace. Their vetting process for engineers is top notch and they connected us with quality talent quickly.
Flexiple Developers are reviewed on their experience and complexity of products built. Those who display depth and have worked on end-to-end projects are given an introductory call.
Over a call, the developer’s ability to communicate in an articulate manner is tested. A deeper understanding of the candidate’s technical experience and also motivation to freelance is achieved.
Over one or more F2F interviews, the developer’s involvement and performance in building complex software products are assessed. This sets the platform to delve deeper into technology-specific discussions.
Developers' mental agility and problem-solving abilities are tested through a coding test involving algorithmic as well as skill-specific problems. A mixture of live evaluation and timed coding tests is used.
The live experience of working with developers is verified by reaching out to past clients and/or employers. Inputs on various qualitative factors such as reliability, punctuality, communication and responsiveness are received.
Performance during each engagement is continually assessed. Our developers are expected to maintain Flexiple standards across all engagements with our customers.
Ruby on Rails, or Rails, is a server-side web application framework written in Ruby which provides default structures for a database, a web service, and web pages. It comes with all the tools needed to build web apps on both the front and back end.
If you’re looking to hire a freelance Ruby on Rails developer for your company, this guide is going to help you find the perfect fit. We’ve included everything you need to know about hiring a freelance Ruby on Rails developer.
We have broken the sections into the following parts:
1. Let's introduce Ruby on Rails to you.
2. Why is Ruby on Rails widespread?
3. What are the tools used by Ruby on Rails developers?
4. Writing the Job Description to hire a Ruby on Rails developer
5. Interview Questions for hiring a Ruby on Rails developer
- Basic Questions
- Advanced Questions
- Data Structures/Algo Questions
The following are some of the tools used by Ruby on Rails developers at various stages of development:
Traceroute is a route cleaning tool for Rails applications. It investigates the application's routes definition for checking which routes are mapped to nonexisting controller actions and finds out which controller actions are not reachable.
It is a cross-platform IDE that provides various tools to the developers from writing and debugging code to testing and deploying a completed application
Brakeman is a free vulnerability and security scanner specifically designed for Ruby on Rails applications. It looks at the source code of the developer's application which saves time to set up the whole application stack to use it.
It is a Ruby static code analyzer and code formatting tool that automatically checks if the developer's code conforms to the Ruby style guide from the Ruby community (English/Japanese), or other style guides.
Pry is an interactive shell for Ruby on Rails which can start a REPL within a running program. It features syntax highlighting, a flexible plugin architecture and runtime invocation.
Below are some key points that we at Flexiple have learned through trial and error - a process of filtering through over 15,000 developers.
Now that you have made a quality JD, it can still be tricky to evaluate the skills of your applicants. To help you with that, we have created a pool of questions that a good Ruby on Rails developer should be comfortable with.
It is important to note that the ability to answer these questions doesn't imply that you have a top quality candidate. But it definitely is a big step in that direction.
To help you navigate through these questions, we’ve categorized the interview questions in 3 parts:
A. Basic concepts: Includes all basic concepts used across languages but we've focused on their significance in Ruby on Rails. This will give you an understanding of how strong their programming foundation is.
B. Advanced concepts: Includes all concepts that someone with higher expertise should know.
C. DS/Algorithm questions: To test the logical capability of the candidate.