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The Conscious React

A comprehensive guide on React architecture, design, and clean code. Timeless principles, guidelines, and best practices for building scalable and robust React applications.

100+ Production Tips

Updated for React 19, Server Components and the Compiler. Each tip with context, Avoid and Prefer.

4 Companion Repos

Runnable examples, deep-dive case studies, and production-ready Vite & Next.js starters.

Learn more about the book

Latest Insights

Deep dives into the craft of engineering.

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How to better structure your next Node.js project? The Modular Approach.

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The T-shaped Developer

The way how software companies work has changed. A new need has emerged — the need for T-shaped Developers.

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Step by Step Guide: Migrate a React App from Bootstrap to Tailwind CSS

I will walk you through my journey of migrating a React SPA from Bootstrap to Tailwind CSS. I will discuss the pros and cons of the architectural strategies considered during the migration. Then, I will move to the execution of the picked strategy and share some learned lessons throughout the whole experience.

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Petar Ivanov

Petar Ivanov

Software engineer, author, and speaker. 8+ years building production systems at Fortune 500s in cloud, finance, and travel. Ex-CEO/CTO of startups. I help JavaScript developers grow from Mid → Senior → Architect.

In the AI era, the question isn't whether you can code. It's whether you can think like an architect — and that's the gap I help you close.