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What to Expect in Your Ruby + Rails Job Interview

Written by wyncode on 16th December 2014, 10:00 AM

As a Ruby + Rails programmer, you will be expected to know the basics of the language inside-and-out. The job atmosphere is challenging, so you should carefully prepare to answer all questions professionally. Here is what to expect in your Ruby + Rails job interview.

General Ruby Questions

Ruby on Rails is one of the more popular computer languages for Web development. The first set of questions is simply to ensure that you truly understand the Ruby computer language. You will probably asked some questions about the general class hierarchies, inheritance, methods, encapsulation and OOP concepts. You may be asked about the different testing tools on the market.

Of course, you will need to be able to explain the short definition of “Gems” to your prospective employer. The differences between classes, modules and objects may be another set of general questions that your interviewer will want you to explain. Ruby programmers should know how to declare and use constructors in the language also.

Remember that the interviewer is also a programmer of Ruby. He or she will discover your basic knowledge level, then try to see what unique skills you have. The first questions should be the easiest, leading to more difficult questions later if you keep answering correctly.

Job Specific Questions

Once your overall knowledge has been assessed, your specific acumen or experience with Ruby + Rails will be determined. You might get an open-ended questions about a specific project you worked on. Sometimes, an employer will test your problem-solving skills. Given such-and-such an issue, how would you configure Ruby + Rails to solve the conundrum?

If you give more detailed, complete or advanced examples, you will score more points in the interview. Remember that you are competing against other Ruby programmers who will be asked the same questions. Answer succinctly and in-depth. You might also be asked to compare the advantages and disadvantages of other common programming languages with Ruby.

As you proceed, you will get more involved in how Ruby is used on-site. Most employers will give an applicant a real-life problem that occurred at the business. Perhaps, a client had ordered five different products using two different payment methods. How would you create model associations to represent this fact? Your Ruby + Rails job interview will combine the theoretical and real-life applications of your new computer programming knowledge.

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