👋 Hello! I'm a highly accomplished Senior Full-Stack Engineer and Team Lead specializing in architecting and scaling complex web applications, particularly in the E-commerce and SAAS domains. I drive projects from conceptual design through deployment, focusing on performance, clean code, and technical leadership.
Highly accomplished Senior Full-Stack Engineer and Team Lead adept at driving large-scale projects across diverse domains, including Shopify App Development, E-commerce (SAAS & Multi-Vendor), and Government platforms. Master in performance engineering (query optimization, big data processing up to billions of records), technical leadership, and versatile development across Laravel, CodeIgniter, MySQL, and Oracle. Successfully architected and launched major applications for both enterprise and public service.
My expertise spans the full stack, with a focus on scalable, data-heavy systems:
| Category | Key Skills |
|---|---|
| Backend & Core | Laravel, PHP 8.x, CodeIgniter, Node.js, RESTful APIs, GraphQL |
| Databases | MySQL, PostgreSQL, Oracle, Redis (Caching & Queuing) |
| SAAS & E-commerce | Shopify App Development, Multi-Tenancy Architecture, POS & Booking Systems, Multi-Vendor Platforms |
| DevOps & Scaling | Docker, Nginx, CI/CD Implementation, Git, Big Data Handling (Billions of Records) |
| Frontend | React, Next.js, Vue.js, TailwindCSS |
A selection of high-scale E-commerce, SAAS, and enterprise applications developed or led, demonstrating expertise in complex systems architecture and optimization.
| Project Title | Description |
|---|---|
| ReportGenix | Advanced Sales Analytics Shopify App. Engineered data pipelines to handle billions of data records and directed query optimization for high-volume, low-latency reporting. |
| Popgenix (Pre-Order & Pop-ups) | Project Lead & DevOps Manager for this public-facing Shopify app, focusing on high availability, rapid deployment, and deep storefront integration. |
| Nazmart (Multi-Tenancy SAAS) | Laravel SAAS E-commerce Platform. Developed core modules, including the comprehensive Point-of-Sale (POS) and Booking Management System for multiple tenants. |
| Multisass | Multipurpose Website Builder SAAS. Contributed to core platform architecture and multi-tenancy logic, enabling clients to build custom websites. |
| Safecart | Multi-Vendor Laravel E-commerce. Built platform featuring vendor onboarding, commission management, and real-time notification systems. |
| Grenmart | Organic Grocery E-commerce. Specialized Laravel platform featuring variable-weight product handling and delivery slot scheduling. |
| Zaika | E-commerce Shopping Platform. Developed from scratch, focusing on a responsive design and integrated payment gateway system. |
| United Express | Courier Service Management System. Designed and implemented the full logistics, parcel tracking, and operational management system using CodeIgniter. |
| BWDB | Bangladesh Water Development Board Application. Developed the data-heavy government service platform from scratch using CodeIgniter and Oracle. |
| Shopmart | Shopmart Laravel E-commerce. Full-featured single-vendor shopping platform. |
| Hotel Management System | Internal enterprise system covering booking, inventory, and resource management. |
- LinkedIn: linkedin.com/in/devzahid
- Youtube: youtube.com/@devzahid
- Email: mdzahidul.pro@gmail.com