Salah Eddine Guenna

Built and maintained distributed microservices following clean architecture and domain-driven design using Java/Kotlin + Spring Boot. Integrated with Google Cloud Platform, including Cloud Storage for file handling (with signed URLs), Pub/Sub for messaging, and Cloud Run for deployments. Implemented custom AOP-based logging, reusable security annotations, and service-layer validation for cleaner and more auditable logic. Maintained unit, integration, and controller tests

Developed B2B inventory web applications tailored to client specifications Enhanced core product by implementing new business-critical features Restructured the authentication system, including the creation of an API Gateway and the integration of SSO login functionality (e.g., Azure AD, Google) Designed custom annotations for user activity tracking and auditing using Aspect-Oriented Programming (AOP) Planned and executed various levels of testing including unit, integration, and interface tests to ensure product quality Utilized Spring Boot, AWS, Scrum, Jira, and Git as primary technologies and tools for development and collaboration

Extracted and preprocessed data for analysis during Final Year Internship Conducted statistical analysis to identify meaningful trends and patterns within