Carlos Ferrari is a Staff Software Engineer based in São Paulo with 16 years of experience building scalable web applications and architectures across the full stack. He brings deep hands-on expertise in JavaScript/TypeScript, Node.js, PHP, and cloud platforms (AWS, Linode, DigitalOcean), and has delivered production systems using modern frameworks like Vue, React, Angular and backend stacks in PHP, Java and .NET. Carlos has a strong focus on maintainability and performance—evidenced by long-term roles designing scalable architectures, server optimization and cache-driven systems—and practices TDD/BDD alongside CI/CD workflows. An active open-source contributor, he has contributed validators and tests to the widely used respect/validation PHP library, showing attention to correctness in shared tooling. Colleagues rely on him for pragmatic, well-architected solutions that balance legacy enterprise platforms with modern cloud-native approaches.
16 years of coding experience
22 years of employment as a software developer
Sistemas de Informação, Sistemas de Informação at ULBRA
Tecnólogo, Análise e Desenvolvimento de Sistemas, Tecnólogo, Análise e Desenvolvimento de Sistemas at Universidade do Tocantins
The most awesome validation engine ever created for PHP
Role in this project:
Back-end Developer
Contributions:5 commits in 10 months
Contributions summary:Carlos primarily contributed to the `respect/validation` project by implementing and modifying validation rules within the PHP codebase. This included refactoring existing validators like the CpfValidator, adding new validators like the Base validator, and integrating new features related to validation rules. The contributions also involved merging changes and adding tests to ensure the validation logic functions correctly.
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