I’m Guilherme Sassi, a Software Engineer passionate about building scalable and user-centered applications. I specialize in mobile and web development using Flutter, Dart, Laravel, and Next.js, applying Clean Architecture and Domain-Driven Design (DDD) to create maintainable, high-performance software.
💡 I enjoy solving complex problems, designing efficient systems, and continuously improving software quality through best practices, testing, and automation.
📈 Always learning, always building — open to exciting opportunities in mobile and backend development.
Methodologies & Principles: Clean Architecture • DDD • SOLID • MVC • MVVM • RESTful APIs • CI/CD • Agile • UX/UI Design
- ✅ 45% faster API responses achieved through gRPC integration and optimized architecture at IEZ Telecom
- ✅ Seamless user experience delivered across B2C platforms showcased on Shark Tank Brasil
- ✅ Enhanced scalability by applying Clean Architecture and Domain-Driven Design (DDD) principles
- ✅ Improved security with centralized authentication using Keycloak (SSO + JWT)
- ✅ Reduced manual workload through automated backend testing in GoLang and CI/CD pipelines
- ✅ Developed reusable and responsive UI components using Laravel Blade and Flutter, ensuring cross-platform performance


