yehia elfar

Berry Enterprise Platform:

• Developed and maintained enterprise modules within the Berry Correspondence Management System using ASP.NET Core and Angular.
• Built and enhanced REST APIs using ASP.NET Core and Entity Framework Core.
• Contributed to Correspondence, Tasks, Schedule Items, and workflow-related features.

Workflow-System:

• Designed and developed a configurable workflow engine using .NET and SQL Server.
• Implemented workflow definitions, instances, approval/rejection processes, and history tracking.
• Developed REST APIs for workflow initiation, approval, rejection, and status tracking.

Planning & Monitoring System:

• Developed with EF Core (code-first) and repository pattern for maintainable architecture.
• Managed Excel file import/export on server and client sides.

Executive Management System (EMS):

• Built meeting scheduling, agenda tracking, and automated background jobs.
• Integrated SharePoint Webhook for document sync.
• Enhanced performance by optimizing database queries and workflows.

Visit Management System:

• Synced appointment data with hospital systems.
• Optimized LINQ queries for faster processing.

Billing Management System:

• Applied caching to reduce database calls by ~50%.
• Added validation and transaction checks to improve accuracy.

Sales Expert Platform:

• Designed and optimized SQL Server database schema for sales tracking.
• Implemented CRUD operations with Entity Framework & LINQ.
• Built RESTful APIs to handle real-time sales data transmission to business dashboards.