Backend Developer specializing in PHP & Laravel, focused on designing scalable backend systems, translating complex business workflows into reliable software, and building maintainable enterprise applications.

My experience spans healthcare, library management, distribution platforms, and internal business systems — covering backend architecture, workflow automation, API integrations, and database design.

📫 LinkedIn · 🐙 GitHub · 📧 mamod.mohamed@gmail.com

I enjoy building backend systems that solve real business problems. My work typically involves:

• Designing scalable backend architectures
• Building RESTful APIs
• Modeling complex business workflows
• Database design and optimization
• Third-party API integrations
• Authentication & authorization
• Payment gateway integrations
• Backend performance optimization
• Production issue investigation and debugging

Backend Development PHP · Laravel · RESTful APIs · MVC Architecture · Eloquent ORM · Authentication & Authorization · Business Logic Implementation

Database Engineering MySQL · Database Design · Schema Design · SQL Optimization · Indexing · Transactions · Data Modeling

Enterprise Systems Workflow Design · ERP-style Business Processes · Inventory Management · Role-Based Access Control · CRM Migration · Audit Logging

Integrations Payment Gateway Integration · OTP Authentication · REST APIs · SRU APIs · Third-Party System Integration

Tools Git · Linux · Docker (Familiar) · Redis (Familiar) · Composer · Postman

Enterprise portal integrated with Koha ILS using REST and SRU APIs.

• Catalog search & metadata retrieval
• Circulation workflows & member management
• OTP authentication & role-based access control
• Service request ticketing, favorites, ratings, search history

Complete backend built from scratch for real-world clinic operations.

• Patient registration & appointment management
• Billing, laboratory workflow, diagnostic operations
• Business logic translated directly from clinical workflows

Enterprise distribution platform implementing complex business rules.

• Geo-based warehouse coverage logic
• Supplier policy enforcement & order validation
• Integer-based financial calculations for accurate pricing & discounts

Backend system covering the full acquisition lifecycle.

• Vendor management & budget allocation
• Purchasing workflow & shelf-level inventory tracking
• Audit logging & a financial recalculation engine that preserves discount ratios on quantity changes

Currently expanding my knowledge in:

System Design · Clean Architecture · Performance Engineering · Redis & Queue Systems · Docker · Infrastructure Automation · Terraform · Ansible · CI/CD

I believe backend development is more than writing APIs. Good software should:

• Solve business problems clearly
• Be easy to maintain
• Scale as requirements grow
• Keep business rules explicit
• Prioritize readability over cleverness
• Be designed with long-term evolution in mind

Here you'll find projects focused on:

• Enterprise Laravel applications
• Backend architecture
• API development
• Business workflow systems
• Database design
• Integration projects
• Clean code practices

Always interested in collaborating on backend systems, enterprise applications, and open-source projects.

• 📧 Email: mamod.mohamed@gmail.com
• 💼 LinkedIn: mahmoudmehidy
• 🐙 GitHub: mahmoodmohamad