Ruby Interview Questions & Assessment
Evaluate Ruby proficiency including blocks, procs, lambdas, metaprogramming, Ruby on Rails, and testing with RSpec.
Why Ruby Matters
Ruby on Rails powers Shopify, GitHub, Basecamp, and thousands of startups. Ruby developers are prized for their ability to ship features quickly with clean, readable code.
Sample Interview Questions
Explain the difference between blocks, procs, and lambdas in Ruby.
How does Ruby's method lookup chain work? Explain ancestors, modules, and method_missing.
What is metaprogramming in Ruby? Give a practical example using define_method.
Explain Ruby's garbage collector. How does it handle memory management?
What are symbols in Ruby? How do they differ from strings?
How to Prepare
Understand Ruby's object model — everything is an object
Master blocks, procs, and lambdas — they're central to idiomatic Ruby
Know the Rails MVC pattern, ActiveRecord, and convention over configuration
Practice writing RSpec tests — testing culture is strong in Ruby
Understand Ruby enumerable methods: map, select, reduce, inject
Related Skills
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