Hamza Saidi

Context: Merging group databases, implementing new features, and resolving critical bugs in business tools.

Team: Integrated into a team of 10 people within an IT department of over 100 employees.

Architecture & APIs: Active participation in the design and implementation of Docker-containerized APIs orchestrated on a Kubernetes cluster.

Offline First Architecture Redesign: Implementation of the Decorator Pattern to isolate persistence and cache logic, allowing system evolution without impacting business code.

Integrity & Concurrency: Resolving data conflicts when multiple users simultaneously work on the same task in offline mode, ensuring complete database integrity.

Design and deployment of a cross-functional real-time communication microservice (SignalR), with Redis backplane implementation to ensure horizontal scalability and multi-instance synchronization.

Low-Level Optimization: Improving application latency during synchronization of large photo files.

Creation and maintenance of internal NuGet libraries for UI components and helpers, enabling reuse by other applications.

Use of the existing messaging infrastructure to notify various interconnected services and applications of the group via RabbitMQ.

Context: Leading the overall technology migration (ASP.NET Framework to .NET Core, Xamarin to MAUI) and optimizing backend performance to support peak loads.

Team: Collaboration within an international agile team of 13 developers, including Product Owners and engineers.

Technical leadership of the mobile application's global migration to .NET MAUI, ensuring stack modernization and performance improvement.

Responsible for software quality through the implementation of systematic code reviews and technical team support to ensure project maintainability.

Implementation of caching strategies with Redis, specifically for dashboards using costly stored procedures, drastically reducing loading times.

Implementation of SSO authentication with Microsoft Entra ID (Azure AD) to meet the needs of industrial clients using the Microsoft ecosystem.

Configuration of RFID identifiers and synchronization with time management software to ensure the accuracy of time tracking.

Collaboration with POs (Product Owners) to translate English HR rules (absences, night hours, etc.) into functionalities.

Observability & Monitoring: Implementation of Azure App Insights for performance monitoring, telemetry, and proactive bug resolution.

Development and improvement of digital reporting tools with C#, JavaScript, and SSRS to streamline internal processes. Collaboration with multidisciplinary teams to provide customized solutions for local authorities, improving project financing management. Leveraging Azure cloud services to optimize application performance and scalability, thereby increasing efficiency for clients.