Ahmed Shehata Khalifa

ERP System Developer – ASP.NET Core 8 (Web API) + Angular 18

• Job Details:Built the backend of a full ERP system using ASP.NET Core 8 Web API with three-tier architecture, ensuring modularity and clean separation of concerns. Developed a reusable generic repository with AutoMapper, enabling filtering, pagination, and search at the DB level for optimized performance. Implemented centralized exception handling middleware, soft delete, audit trails, and a global logging system for traceability and robustness. Integrated SignalR for real-time user session tracking and administrative force logout control. Developed a full RBAC system where admins manage users, roles, claims, and secured routes dynamically through the backend. Built dynamic route-based access control, where frontend route visibility is fully governed by backend-defined permissions. Created a multilingual and dynamic frontend using Angular 18, standalone components, reactive forms, and ngx-translate.

Web Developer – ASP.NET MVC Applications

• Job Details:Engineered end-to-end web applications using ASP.NET MVC with a clean layered architecture, reducing future maintenance time by 30%. Engineered and deployed the material request application for Dots Egypt, automating multi-department workflows, cutting request processing time by over 60%. Applied secure PDF parsing, encrypted configuration files, and an audit trail system to enhance security and internal compliance. Built a dynamic user management system using ASP.NET Identity and RBAC, supporting 100+ combinations of roles and claims. Delivered multiple POC projects using NLog for advanced logging and DataTables for real-time server-side processing, improving data load times by 45%.

Senior Business Analyst

• Job Details:Spearheaded the real-time IPN (Instant Payment Notification) system integration, achieving <1-second response latency and improving customer satisfaction scores. Decreased post-release issues by 40% by introducing structured logging with NLog and documenting root cause analyses, enabling faster debugging and clearer handoffs between teams. Handled 100+ production-level change requests, coordinating with DevOps for timely and secure rollouts.