Saif Messaoudi

Designing and implementing a secure passwordless authentication module using FIDO2 standards. ▪️ Designed a microservices architecture using Spring Boot (Eureka Service Registry, API Gateway). ▪️ Keycloak for centralized identity and access management. ▪️ Implemented a custom Keycloak Authenticator for device-bound authentication. ▪️ Designed a secure challenge-response flow based on RSA key pairs. ▪️ Ensured high security and compliance with modern authentication standards (WebAuthn/FIDO2). ▪️ Implemented Microsoft Active Directory login, MFA enforcement through Azure AD policies. ▪️ Developed a multi-flavor Flutter app. ▪️ Supported multiple device enrollments.

• Development and Maintenance of a Large-Scale Mobile Application Focused on Spirulina Cultivation • Utilized GetX for state management, dependency injection, and modular architecture to ensure scalability and maintainability • Integration of a Data Exchange Server Using the MQTT Protocol

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• Develop and maintain server-side rendered web application leveraging Next.js to ensure efficient and dynamic web experiences. • Design responsive user interfaces utilizing the Tailwind CSS framework for consistent and adaptive styling across devices. • Build and integrate RESTful APIs using Django, enabling seamless communication between back-end services and front-end application. • Develop real-time web application powered by Socket.IO to facilitate bidirectional communication between the server and the client for dynamic data updates. • Create and maintain mobile application using Flutter, ensuring seamless integration with web applications for a unified user experience.