Bruno Mafo

I am a full-stack developer with a strong focus on system architecture and scalable solution design. I build web and mobile applications with an emphasis on robustness, maintainability, and performance. I apply Domain-Driven Design (DDD) principles to structure complex business domains, ensuring a clear separation between core business logic and technical concerns. I leverage Hexagonal Architecture (Ports & Adapters) to guarantee component decoupling, facilitate testing, and support long-term system evolution.

I have solid expertise in key design patterns (Factory, Strategy, Repository, CQRS, Observer, etc.) and adhere strictly to SOLID principles to maintain clean, extensible, and consistent codebases. I also design and implement microservices architectures with clear separation of responsibilities, reliable inter-service communication, and built-in resilience mechanisms.

Regarding security and authentication, I implement Single Sign-On (SSO) systems, One-Time Password (OTP) mechanisms for strong verification, and advanced access control and permission management strategies. I design secure authentication flows, fine-grained role management systems, and protection mechanisms against common security vulnerabilities.

My approach is grounded in well-structured API design, rigorous data modeling, clear business rule management, and overall system performance optimization. I consistently prioritize scalable, testable architectures aligned with business objectives to deliver sustainable technical solutions ready to scale.