Mahmoud Hafez (@EngMahmoudHafez)

👋 Hey, I'm Mahmoud

I'm a Backend Engineer from Egypt specializing in PHP and Laravel. I turn complex business requirements into secure APIs, scalable background workflows, and production systems that teams can confidently operate.

🔭 Building backend systems for SaaS, marketplaces, booking, education, and e-commerce
⚡ Working with large datasets, Redis queues, Horizon, caching, and API throttling
🔐 Implementing JWT, refresh tokens, OTP, OAuth, roles, and private file delivery
🔌 Integrating payments, SMS, WhatsApp, shipping services, and third-party APIs
📡 Exploring WebSockets, Socket.IO, event-driven services, and Node.js
☁️ Deploying with Docker, Nginx, Linux, AWS, DigitalOcean, and CI/CD

🧰 Tech Stack

Backend

Data & Performance

Infrastructure

Docker, Nginx, Linux, AWS, GitHub Actions and Git

Product Collaboration

⚙️ Backend Expertise

API Engineering	Data & Performance	Async Processing
REST API architecture	Query optimization	Redis queues
Mobile-ready responses	Indexing & caching	Laravel Horizon
Validation & resources	Cursor pagination	Batching & throttling

Security	Integrations	Production
JWT, OTP & OAuth	Payment gateways	Docker & Nginx
Roles & permissions	SMS & WhatsApp	Linux & SSL
Private file delivery	Shipping & external APIs	CI/CD & monitoring

🚀 Selected Projects

💳 Payments

PHP and Laravel payment-integration experiments and reusable implementation examples.

PHP Laravel Payments APIs

🏢 Multi-Tenancy

Exploring multi-tenant architecture and tenant-aware application design in Laravel.

PHP Laravel Architecture SaaS

🔗 Eloquent Relationships

Practical examples of Eloquent relationships and expressive Laravel data modeling.

Laravel Eloquent MySQL Data Modeling

🔥 Laravel 12

Notes and practical examples covering the modern Laravel 11 and 12 project structure.

Laravel 12 PHP Modern Structure

🏗️ Engineering Highlights

Designed Laravel APIs consumed by web and Flutter applications.
Optimized MySQL systems containing millions of records.
Built high-volume workflows with Redis, queues, Horizon, batching, and rate limiting.
Implemented secure authentication with JWT, OTP, OAuth, roles, and permissions.
Integrated payment, messaging, shipping, OAuth, and business platforms.
Protected sensitive documents using private storage and controlled delivery.
Diagnosed production issues across PHP-FPM, Nginx, MySQL, SSL, SMTP, queues, and deployments.

final class BackendMindset
{
    public function build(Requirement $requirement): ReliableSystem
    {
        return $this->understand($requirement)
            ->designClearContracts()
            ->modelFailures()
            ->secureAndOptimize()
            ->testAndObserve()
            ->ship();
    }
}

📊 GitHub Activity

🌱 Currently Working On

Advanced system design and scalable backend architecture
Real-time communication and WebSocket infrastructure
Automated testing, observability, and application reliability
Node.js services that complement Laravel applications
Practical AI integrations for production products

🤝 Let's Connect

I'm open to backend engineering opportunities, challenging Laravel projects, API integrations, and products that need dependable architecture at scale.

Mahmoud Hafez

Commit activity