Interview Questions to Hire Senior Ruby Developer

Ruby developers use the MVC Frameworks Rails to design and implement, including enhancing in Ruby. They are in charge of designing back-end elements, linking them to third-party web services, and merging front-end components. The tasks of a Senior Ruby Developer entail developing back-end solutions, generating efficient gems, and incorporating front-end elements. Finally, the candidate will be involved in all parts of the system development life cycle, from design to implementation.

Skill Related Questions

• How do you tell the difference between a decent unit test and a functional test?
• Is it possible to flip a string recursively and iteratively using pseudo-code?
• Describe the difference between passing references and values for arguments in Ruby.
• When Ruby MRI employs a Global Interpreter Lock, does this imply that it employs real threads?
• How do you determine which stage of a project's life cycle is ideal for building the test infrastructure?

Behavioral Or Situational Questions

• Explain the principles behind the generational garbage collection feature that was added to Ruby 2.1. How did it differ from the previous version?
• Describe what constitutes a good unit test. What distinguishes a functional one?
• Simply describe how a closure formed by a lambda expression works.
• Is it actually possible for a producer thread to read from the network while a consumer thread writes to a file simultaneously?
• What guiding principles have you applied to side projects?

General Questions 

• Identify the four different sorts of variables available in Ruby Class.
• Which command can you employ to set up a controller for the subject?
• What is the purpose of garbage collection in Ruby?
• What are some of the benefits of using Ruby?
• What duties fall under the purview of a senior Ruby developer?

Conclusion

The ideal applicant for a job interview as a Senior Ruby developer will have a strong command of entity programming and be able to write clear, effective code. Applicants with insufficient information about scripting languages and front-end technologies such as Bootstrap and JavaScript should be avoided.