Beginner
Getting Started: Claude Code
Go from your first prompt to real development workflows with Claude Code.
4h 54m
AI
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Code.
Create.
Inspire.
Master the art of software development, tech leadership, and coding best practices with hands-on courses and workshops.
Explore Courses →5K+
Developers
4.9
Rating
18+
Years
Gui Ferreira
Making complex development concepts simple and accessible, one developer at a time.
Mentor
Guiding Growth
Developer
Building Solutions
Educator
Sharing Knowledge
Simplifier
Making Complex Clear
Courses
Level up your coding, design, and leadership skills with these hands-on, real-world learning experiences.
Beginner
From Zero to Hero: Writing Testable Code in C#
Learn how to easily write code with Testing in mind.
4h 30m
Testing
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Intermediate
Featured
Let's Build It: URL Shortener in .NET
Learn how to build a production-ready URL Shortener from conception to deployment.
16h 46m
Let's Build It
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What developers say
"It was perfect! I´ve been a TDD practitioner, and this course surprised me!"
"Nothing to improve. It's just perfect for immediate use!"
"He did an excellent job clearly explaining the concepts."
"One of the best trainings I've had. Complex topics were made practical and directly applicable to daily work."
Developer Insights
What I'm building, learning, and discovering each week.