Bulletproof Ruby on Rails Applications (eBook)

What if I told you you that you can 10x your coding skills in just one day? This book will show you how.
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Ruby on Rails: Test-First Workflow

Learn how to write reliable Ruby on Rails applications using Behavior Driven Development (BDD).
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Vim for Ruby on Rails Developers

Learn how to write code at the speed of thought. This video course will show you how to use the most powerful editor in the world.
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Invoicer: How I Build a Rails App From Scratch

15 hours of uncut video walkthrough video showing you how I go about building a Ruby on Rails application from scratch.
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Coming soon

SOLID Mastery Bootcamp

Master the SOLID principles of OOP design and conquer any coding interview.
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My name is Cezar Halmagean

I am a software development consultant with over a decade of experience in helping growing companies scale large Ruby on Rails applications.

I have written about the process of building Ruby on Rails applications in RubyWeekly, SemaphoreCI, and Foundr.