
Cosmin Grigoriu developed foundational backend and UI features for the HorvatAris/UBB-SE-2025-924-1 and HorvatAris/UBB-SE-2025-Steam repositories, focusing on scalable data persistence, secure configuration, and user-facing trading and wallet systems. He implemented Entity Framework Core for robust data access, introduced repository patterns, and established API contracts for Tag and News management. Using C#, ASP.NET Core, and SQL, Cosmin delivered asynchronous data operations, dependency injection, and client-side validation to enhance maintainability and security. His work included unit testing, UI development with MVVM, and integration of payment options, resulting in a maintainable, extensible architecture with improved user engagement.

May 2025 performance highlights: Delivered foundational trading infrastructure, expanded test coverage, and advanced news and wallet capabilities across two repositories, driving user engagement, reliability, and scalable architecture.
May 2025 performance highlights: Delivered foundational trading infrastructure, expanded test coverage, and advanced news and wallet capabilities across two repositories, driving user engagement, reliability, and scalable architecture.
April 2025 monthly summary for HorvatAris/UBB-SE-2025-924-1: Delivered foundational data persistence and API capabilities, focusing on EF Core-based data access, secure configuration, and API contracts. Introduced Tag Management API to replace the deprecated TestGame, enabling CRUD operations, data seeding, and clearer response models. Implemented configuration hygiene and repository patterns to improve maintainability and security. Overall, the month yielded tangible business value through a robust data layer, scalable API surface, and improved developer experience.
April 2025 monthly summary for HorvatAris/UBB-SE-2025-924-1: Delivered foundational data persistence and API capabilities, focusing on EF Core-based data access, secure configuration, and API contracts. Introduced Tag Management API to replace the deprecated TestGame, enabling CRUD operations, data seeding, and clearer response models. Implemented configuration hygiene and repository patterns to improve maintainability and security. Overall, the month yielded tangible business value through a robust data layer, scalable API surface, and improved developer experience.
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