Design Patterns. Elements of Reusable Object-Oriented Software.

Design Patterns by Erich Gamma, Richard Helm, Ralph Johnson, John Vlissides

🏗️ Elements of Reusable Object-Oriented Software

The legendary “Gang of Four” book that separates senior developers from juniors — and adds $50k+ to your salary.

They uncovered timeless solutions master developers use to build elegant, scalable software.

Master these patterns and architect powerful systems.

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Why Design Patterns Will Transform Your Career

• From $80k to $150k+ — Knowing these 23 patterns is the difference between coder and architect
• Speak the language of senior developers instantly
• Solve problems without reinventing the wheel
• Design systems that scale and adapt to change

The 23 Timeless Patterns Every Developer Must Know:

Creational (5): Singleton, Factory Method, Abstract Factory, Builder, Prototype

Structural (7): Adapter, Bridge, Composite, Decorator, Facade, Flyweight, Proxy

Behavioral (11): Observer, Strategy, Command, Iterator, Template Method, and 6 more

Real Career-Changing Results

“I nailed the Observer pattern question and landed a $130k job.” – Junior Developer turned Senior

“Refactored legacy code using these patterns, got promoted to Architect.” – Mid-level Developer

“Our microservices architecture is just these patterns in action. This book is our bible.” – CTO, Unicorn Startup

What You’ll Master:

• Recognize patterns instantly in any codebase
• Apply the perfect design solution every time
• Communicate and collaborate like a true architect
• Refactor messy legacy systems with confidence
• Build scalable, flexible software that lasts

Who Needs This Book?

• Developers ready to level up from coder to architect
• Team leads seeking clearer design discussions
• Candidates preparing for senior interviews
• Bootcamp grads wanting veteran-level thinking
• CTOs building scalable tech organizations

Before & After Design Patterns

Before:

• Struggling to structure code
• Reinventing the wheel
• Long design debates
• Junior developer mindset

After:

• “This is a Strategy pattern”
• Reusing battle-tested solutions
• Architecture that evolves with business needs
• Architect-level design conversations

Your Architecture Journey Begins Now

Stop writing code that only works.

Start designing software that lasts.

Start thinking like an architect.

Start earning what you’re worth.

[Get Design Patterns Today — Think Like an Architect]

Available Formats

• 📘 Hardcover — Your career trophy
• 📕 Paperback — Your daily reference
• 📱 Kindle — Wisdom anywhere

The Foundational Text of Software Architecture | 3 Million Copies Sold | Required Reading at Top Tech Companies

“If Clean Code teaches you how to write, Design Patterns teaches you how to think. Both are mandatory for serious developers.” – Principal Engineer, Google