A large-scale enterprise multi-tenant SaaS platform built for content management and publishing workflows.
This repository documents the architecture, system design, and technical decisions of a real-world production system.
⚠️ Confidentiality Notice
Source code, internal documentation, and screenshots are intentionally excluded to respect company confidentiality.
This repository focuses on architecture, scalability strategies, and engineering practices.
- This project was already in development when I joined.
- I entered during the mid-phase of development.
- Over time, I took ownership of core modules and later led the project as a Team Lead.
- My role involved stabilizing the system, scaling it, and guiding architectural decisions.
Team Lead / Full-Stack Developer
- Led backend and frontend development efforts
- Designed and improved multi-tenant architecture
- Implemented tenant isolation strategies
- Optimized performance for high-traffic scenarios
- Reviewed code, mentored developers, and guided best practices
- Collaborated with product, QA, and DevOps teams
- Ensured security, scalability, and maintainability
The platform supports multiple organizations (tenants) on a shared infrastructure while ensuring strict data isolation and scalability.
Key Characteristics:
- Enterprise-grade SaaS
- Multi-tenant architecture
- Role-based access control
- Subscription-based business model
- High availability and performance focus
- Tenant Identification
- Domain-based and/or request-based tenant resolution
- Data Isolation
- Tenant-aware queries and scoped access
- Authentication & Authorization
- Centralized auth with tenant context
- Scalability
- Designed to support thousands of tenants
- Security
- Strong access boundaries between tenants
- Laravel
- PHP
- MySQL
- REST APIs
- Queue & background job processing
- React / Next.js
- Component-driven architecture
- API-driven UI
- Docker
- Docker Compose
- CI/CD pipelines
- Cloud-based deployment (AWS / similar)
- Improved multi-tenant request lifecycle
- Refactored legacy modules for maintainability
- Introduced performance optimizations
- Defined coding standards and review processes
- Assisted in production debugging and incident resolution
Many impactful engineering projects cannot be open-sourced.
This repository exists to demonstrate:
- Real-world SaaS architecture experience
- Leadership in an enterprise environment
- Ability to work on large, long-running systems
- Strong understanding of scalability, security, and system design
📁 Detailed technical documentation is available here: /docs
- 🌐 Product Website (Public Frontend): https://www.ipublisher.app
- 👤 Author: Ali Hamza
- 💼 Role: Team Lead / Full-Stack Developer
No license is provided, as this repository does not contain distributable source code.
If you’re a recruiter or hiring manager and would like to discuss the architecture, challenges, or decisions in more detail, feel free to reach out via:
- GitHub: https://github.com/alihamzahq
- Website: https://alihamza.dev